IBM PC 300PL Types 6862 Technical Information Manual

IBM PC 300PL Types 6862 Technical Information Manual

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Manual
IBM PC 300PL Types 6862 Technical Information Manual | Manualzz

Technical Information Manual

(Types 6562 and 6592)

PC 300PL

IBM

IBM

Technical Information Manual

PC 300PL

(Types 6562 and 6592)

Note

Before using this information and the product it supports, be sure to read the general information under

Appendix E, “Notices and Trademarks” on page 59.

First Edition (August 1997)

The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with

local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT

WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.

This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time.

This publication was developed for products and services offered in the United States of America. IBM may not offer the products, services, or features discussed in this document in other countries, and the information is subject to change without notice. Consult your local IBM representative for information on the products, services, and features available in your area.

Requests for technical information about IBM products should be made to your IBM reseller or IBM marketing representative.

 Copyright International Business Machines Corporation 1997. All rights reserved.

Note to U.S. Government Users — Documentation related to restricted rights — Use, duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

v

Manual Style

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

v

Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

vi

Chapter 1. System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

Software Features

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

System Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Plug and Play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

POST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Configuration/Setup Utility Program

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Advanced Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Flash Update Utility Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Diagnostic Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Operating System Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Chapter 2. System Board Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Microprocessor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Chip Set Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

L2 Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

System Memory

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7

PCI-to-ISA Bridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

System I/O and Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8

IDE Bus Master Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

USB Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10

Super Input/Output Controller

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11

Diskette Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11

Parallel Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

Infrared Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13

Keyboard and Mouse Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13

General-Purpose I/O Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14

Real-Time Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14

Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

15

Video . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

16

Video Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Video Upgrade Options

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Memory Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Multimedia Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Video Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Special Function Video Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

Ethernet

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18

System Management Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

Riser Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

System Board Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

System Board Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

Physical Layout

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

 Copyright IBM Corp. 1997

iii

Chapter 3. Adapters and Internal Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

Adapters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

SCSI Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

Cabling Requirements for Wake on LAN Adapters

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

Internal Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

Chapter 4. Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27

Power Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28

Power Output

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28

Output Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30

Power Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30

Chapter 5. Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

Chapter 6. System Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33

Hardware Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33

Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34

Diskette Drives and Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

Hard Disk Drives and Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

Software Compatibility

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

Software Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

35

Machine-Sensitive Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36

Appendix A. Connector Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37

ISA Bus Connectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37

PCI Bus Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39

IDE Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41

Diskette Drive Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42

System Memory Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43

USB Connectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

Parallel Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

Serial Port Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

Infrared Port Connector (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

Keyboard and Mouse Port Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48

Monitor Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48

Ethernet Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49

Appendix B. System Address Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50

System Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50

Input/Output Address Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

51

DMA I/O Address Map

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

53

Appendix C. IRQ and DMA Channel Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . .

55

Appendix D. Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56

POST Error Codes

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56

Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

58

Appendix E. Notices and Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

59

References

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60

General Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60

World Wide Web Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

60

iv

Technical Information Manual

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

61

Contents

v

Tables

1.

System Resource Assignments for the IDE Interface . . . . . . . . . . . . . . . . . . . . . . . . . .

9

2.

System Resource Assignments for the Diskette Interface

. . . . . . . . . . . . . . . . . . . . . . .

11

3.

System Resource Assignments for the Parallel Port . . . . . . . . . . . . . . . . . . . . . . . . . .

12

4.

System Resource Assignments for the Serial Ports . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

5.

System Resource Assignments for the Keyboard and Mouse . . . . . . . . . . . . . . . . . . . . .

13

6.

System Resource Assignments for the Real-Time Clock . . . . . . . . . . . . . . . . . . . . . . . .

14

7.

System Resource Assignments for the Audio Controller

. . . . . . . . . . . . . . . . . . . . . . . .

15

8.

System Resource Assignments for the Video Controller . . . . . . . . . . . . . . . . . . . . . . . .

16

9.

System Resource Assignments for the Ethernet Controller . . . . . . . . . . . . . . . . . . . . . .

18

10.

System Resource Assignments for the System Management Controller . . . . . . . . . . . . . . .

19

11.

Riser Card Expansion Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

12.

Microprocessor Speed (Switches 1-4)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

13.

Reserved (Switch 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

14.

System Board Ethernet Control (Switch 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

15.

Privileged Access Password Control (Switch 7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

16.

Floppy Device Access (Switch 8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

17.

CMOS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

23

18.

Diskette Drives

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

19.

IDE and SCSI Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26

20.

Power Output for 145-Watt Power Supply (PC 300PL, Type 6562) . . . . . . . . . . . . . . . . . .

28

21.

Power Output for 200-Watt Power Supply (PC 300PL, Type 6592) . . . . . . . . . . . . . . . . . .

28

22.

System Board Power Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

28

23.

ISA-Bus Adapters (Per Slot)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

24.

PCI-Bus Adapters (Per Slot) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

25.

Internal Devices (DASD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

26.

Keyboard Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

27.

Auxiliary Device Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

28.

USB Port

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

29.

Pin Assignments for the 4-Pin Power Connectors (PC 300PL, Type 6562) . . . . . . . . . . . . .

30

30.

Pin Assignments for the 4-Pin Power Connectors (PC 300PL, Type 6592) . . . . . . . . . . . . .

30

31.

Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

32.

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

33.

Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

34.

Air Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

35.

Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

31

36.

Electrical Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32

37.

Heat Output (Approximate) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32

38.

3.5-Inch Diskette Drive Reading, Writing, and Formatting Capabilities . . . . . . . . . . . . . . . .

35

39.

Pin Assignments for the ISA Bus Connectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37

40.

Pin Assignments for the PCI Bus Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39

41.

Pin Assignments for the IDE Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41

42.

Pin Assignments for the Diskette Drive Connector . . . . . . . . . . . . . . . . . . . . . . . . . . .

42

43.

Pin Assignments for the DIMM Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43

44.

Pin Assignments for the USB Connectors

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

45.

Pin Assignments for the Parallel Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

46.

Pin Assignments for the Serial Port Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

47.

Pin Assignments for the Infrared Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

48.

Pin Assignments for the Keyboard and Mouse Connectors . . . . . . . . . . . . . . . . . . . . . .

48

49.

Pin Assignments for the Monitor Connector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48

50.

Pin Assignments for the Ethernet Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49

vi

 Copyright IBM Corp. 1997

51.

System Memory Map (Fixed Address Ranges) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50

52.

System Memory Map (Flexible Address Ranges) . . . . . . . . . . . . . . . . . . . . . . . . . . . .

50

53.

Input/Output Address Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

51

54.

DMA I/O Addresses

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

53

55.

IRQ Channel Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

55

56.

DMA Channel Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

55

57.

POST Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

56

58.

Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

58

Figures

1.

Riser Card for PC 300PL (Type 6562) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

2.

Riser Card for PC 300PL (Type 6592) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20

3.

System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

4.

ISA Bus Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

37

5.

PCI Bus Connector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

39

6.

IDE Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

41

7.

Diskette Drive Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

42

8.

System Memory (DIMM) Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

43

9.

USB Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

10.

Parallel Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

46

11.

Serial Port Connector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

12.

Infrared Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

47

13.

Keyboard and Mouse Port Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48

14.

Monitor Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48

15.

Ethernet Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

49

Tables

vii

Preface

This Technical Information Manual provides information on the IBM PC 300PL (Types 6562 and 6592).

The manual, which is intended for developers who want to provide hardware and software products to operate with these computers, provides in-depth information on how the computers work. Users of this publication should have an understanding of computer architecture and programming concepts.

Manual Style

Because the PC 300PL (Type 6562) and (Type 6592) are similar, they will be referred to collectively as

PC 300PL computers throughout this manual, except in cases where differences between the two computer types must be described.

In this manual, the use of the letter “h” indicates a hexadecimal number. Also, when numerical modifiers such as “K”, “M” and “G” are used, they typically indicate powers of 2, not powers of 10. For example, 1

KB equals 1 024 bytes (2 10 ), 1 MB equals 1 048 576 bytes (2 20 ), and 1 GB equals 1 073 741 824 bytes

(2 30 ).

When expressing storage capacity, MB equals 1 000 KB (1 024 000). The value is determined by counting the number of sectors and assuming that every two sectors equals 1 KB. Depending on the operating system and other system requirements, the storage capacity available to the user might vary.

Warning: The term reserved describes certain signals, bits, and registers that should not be changed.

Use of reserved areas can cause compatibility problems, loss of data, or permanent damage to the hardware. When the contents of a register are changed, the state of the reserved bits must be preserved.

When possible, read the register first and change only the bits that must be changed.

Some signals are abbreviated. A minus sign in front of a signal indicates that the signal is active low. No sign in front of a signal indicates that the signal is active high.

viii

 Copyright IBM Corp. 1997

Related Publications

In addition to this manual, the following IBM publications provide information about the operation of

PC 300PL computers. To order these publications, call 1-800-879-2755 in the U.S. and Puerto Rico. In other countries, contact an IBM reseller or IBM marketing representative.

Ÿ Setting Up Your PC 300PL (Type 6562)

Setting Up Your PC 300PL (Type 6592)

These publications contain instructions on preparing the computer for operation.

Ÿ Using Your PC 300PL (Type 6562)

Using Your PC 300PL (Type 6592)

These publications contain information on configuring, operating, and maintaining the computer. Also included are warranty information, instructions for diagnosing and solving problems, and information on how to obtain help and service.

Ÿ Installing Options in Your PC 300PL (Type 6562)

Installing Options in Your PC 300PL (Type 6592)

These publications contain instructions for installing options in the computer.

Ÿ Understanding Your PC 300PL

This publication includes general information about using computers and detailed information about the features of PC 300PL computers.

Ÿ About Your Software

This publication (provided only with computers that have IBM-preinstalled software) contains information about the preinstalled software package.

Ÿ Your Ready-to-Configure CD

This publication contains information about the Ready-to-Configure CD that comes with PC 300PL computers. The publication also contains instructions for starting the CD.

Ÿ Adaptec SCSI Documentation

This documentation, which is provided with computer models that have an IBM-installed SCSI adapter, includes information on configuring the adapter and instructions for installing and configuring SCSI devices.

Ÿ Hardware Maintenance Manual

This publication contains information on PC 300PL computers for trained service technicians. It can be found on the World Wide Web (http://www.us.pc.ibm.com/cdt/hmm.html), and it can also be ordered from IBM. To purchase a copy, refer to the "Getting Help, Service, and Information" section in Using

Your PC 300PL (Type 6562) or Using Your PC 300PL (Type 6592).

Ÿ Compatibility Report

This publication contains information about compatible hardware and software for PC 300PL computers. The publication is available on the World Wide Web (http://www.us.pc.ibm.com/cdt).

Preface

ix

x

Technical Information Manual

Chapter 1. System Overview

Chapter 1. System Overview

The PC 300PL (Type 6562) and (Type 6592) are versatile products designed to provide state-of-the-art computing power with room for future growth. The two computers utilize the same system board. They differ in frame assembly design, power supply capacity, and riser card design. (Type 6562 has four drive bays, four expansion slots, and a 145-watt power supply. Type 6592 has six drive bays, six expansion slots, and a 200-watt power supply. Refer to “Riser Card” on page 20 for an illustration of the riser card in each computer.)

Note: Because the two computer types (6562 and 6592) are similar, they will be referred to collectively as PC 300PL computers throughout this manual, except in cases where differences between the two types must be described.

Hardware Features

The major features of PC 300PL computers are:

Ÿ Intel  Pentium  processor with MMX  technology

Ÿ Single bank, pipeline burst, synchronous L2 cache soldered on the system board

Ÿ Support for up to 384 MB of system memory

Ÿ Busmaster IDE controller

Ÿ EIDE or Ultra Wide SCSI hard disk drive

Ÿ CD-ROM drive (some models only)

Ÿ 3.5-inch, 1.44 MB diskette drive

Ÿ Integrated Matrox MGA-1164SG 1 3D video controller with 2 MB SGRAM soldered to the system board

– Support for additional 2 MB of SGRAM

– Upgrade connectors for VESA interface and Matrox multimedia options

Ÿ Integrated 16-bit, stereo audio controller (supports Sound Blaster Pro applications)

– Built-in, high-quality speaker

Ÿ Integrated Intel 10/100 Mbit, PCI Ethernet controller

Ÿ System Management

– RPL (Remote Program Load) and DHCP (Dynamic Host Configuration Protocol)

– Integrated Wake on LAN controller

– Automatic power-on startup sequence

– POST/BIOS update from network

– DMI (Desktop Management Interface) BIOS and DMI software

– Integrated system management controller

Ÿ Input/Output Features

– Two serial ports

– One ECP/EPP parallel port

– One monitor port

– Four 3.5 mm audio jacks (line out, line in, headphone, and microphone)

– One Ethernet RJ-45 port

– Two USB (universal serial bus) ports

– One keyboard port (Windows 95-compatible)

– One mouse port

– One infrared port (optional)

– One multimedia port (optional)

1 The 1164SG controller is equivalent to the 1064SG controller (which is installed in some PC 300PL computers models).

 Copyright IBM Corp. 1997

1

Chapter 1. System Overview

Ÿ Expansion

– PC 300PL (Type 6562): Four drive bays, four expansion slots (one ISA, two PCI, and one shared

ISA/PCI)

– PC 300PL (Type 6592): Six drive bays, six expansion slots (three ISA and three PCI)

Several model variations are available for PC 300PL computers. The following list describes some of the ways in which the models vary:

Ÿ Microprocessor speed

Ÿ Hard disk type and capacity

Ÿ Amount of system memory preinstalled

Ÿ Type of operating system software preinstalled

Note also that models are available with or without a CD-ROM drive preinstalled.

2

Technical Information Manual

Chapter 1. System Overview

Software Features

This section describes the system software, device drivers, and operating system support provided with

PC 300PL computers.

System Software

System software refers to the following:

Ÿ Basic input/output system (BIOS)

Ÿ Plug and Play

Ÿ Power-on self-test (POST)

Ÿ Configuration/Setup Utility program

Ÿ Advanced Power Management (APM)

Ÿ Flash update utility program

Ÿ Diagnostic programs

BIOS

PC 300PL computers have an IBM BIOS. Support is provided for the following features:

Ÿ PCI bus, according to the PCI BIOS Specification (Version 2.1)

Ÿ Plug and Play, according to the ISA Plug and Play BIOS Specification (Version 1.2)

Ÿ Advanced Power Management, according to the APM BIOS Interface Specification (Version 1.2)

Ÿ Desktop Management BIOS, according to DMI Specification 2.0a

Ÿ IDE LBA to allow access to hard disks with a capacity greater than 527 MB

Ÿ Intel 82430HX core chipset

Ÿ Matrox MGA-1164SG 3D video BIOS

Ÿ Intel Ethernet BIOS

Ÿ Crystal audio setup BIOS

Ÿ National System Management BIOS

Ÿ Initialization of National Semiconductor N87307 I/O chip, with Plug and Play support

Ÿ Manufacturing hooks

Ÿ Bootable CD-ROM

Ÿ DBCS code (for Japanese systems only)

Ÿ Wake on LAN

Ÿ RPL (Remote Program Load) and DHCP (Dynamic Host Configuration Protocol)

Ÿ Flash over LAN

Ÿ Alternate boot sequence

Ÿ CMOS cloning

Ÿ Enable/disable of system board Ethernet controller

Plug and Play

PC 300PL computers conform to the following:

Ÿ ISA Plug and Play BIOS Specification (Version 1.2)

Ÿ ISA Plug and Play BIOS Specification, Errata and Clarifications (Version 1.0), as released by Microsoft

Chapter 1. System Overview

3

Chapter 1. System Overview

PC 300PL computers also conform to the guidelines described in the following:

Ÿ Plug and Play BIOS Extension Design Guide (Version 1.0)

Ÿ Guide to Integrating the Plug and Play BIOS Extensions with System BIOS (Version 1.1)

Ÿ Plug and Play Kit for DOS and Windows

POST

PC 300PL computers use IBM power-on self-test (POST) software with initialization code added for the

Intel Pentium processor with MMX technology, the Intel 82430HX core chipset, the National

Semiconductor PC87307 I/O chip, the Intel Ethernet chip, and the Matrox MGA-1164SG 3D video chip.

POST software locates any hardware problems or configuration changes. If an error occurs while POST is running, an error code in the form of a text message displays on the screen. For a description of POST error codes, see “POST Error Codes” on page 56. For further information on POST, refer to Using Your

PC 300PL (Type 6562) or Using Your PC 300PL (Type 6592).

Configuration/Setup Utility Program

The Configuration/Setup Utility program provides menus for viewing and changing selections for devices and I/O ports, current date and time, start options, system security, advanced setup, ISA legacy resources, and advanced power management. The Configuration/Setup Utility program also provides system summary and product data screens which contain information specific to the computer model being used.

Refer to Using Your PC 300PL (Type 6562) or Using Your PC 300PL (Type 6592) for further information on the Configuration/Setup Utility program.

Advanced Power Management

PC 300PL computers come with energy-saving software that meets Energy Star requirements. Advanced

Power Management (APM) is a feature that reduces power consumption when components of the computer (or the entire computer system) are not in use. When enabled, APM initiates reduced-power modes for the microprocessor, monitor, hard disk drive, or entire system after a specified period of inactivity is reached.

2

APM is implemented in PC 300PL computers according to the APM BIOS Interface Specification (Version

1.2). For more information on APM, refer to Understanding Your PC 300PL and Using Your PC 300PL

(Type 6562) or Using Your PC 300PL (Type 6592).

Flash Update Utility Program

A stand-alone utility program is available to support user-initiated flash code updates. This utility program updates the BIOS code in flash memory. PC 300PL computers also support BIOS updating over the LAN

(Flash-over-LAN). The Flash-over-LAN function requires the use of the integrated system board Ethernet.

The flash update utility program is available on the World Wide Web (http://www.us.pc.ibm.com/files.html) or through the PC Company Bulletin Board Service in files that can be downloaded onto a diskette.

Instructions for using the flash update utility program will be available in a README file included in the downloaded files. Refer to Using Your PC 300PL (Type 6562) or Using Your PC 300PL (Type 6592) for further information.

2 SCSI hard disk drives do not support APM.

4

Technical Information Manual

Chapter 1. System Overview

Diagnostic Programs

A diagnostic program (QAPlus/WIN for IBM or QAPlus/PRO for DOS) is provided with each PC 300PL computer. The diagnostic program provided depends on the type of software preinstalled. For more information on diagnostic programs, refer to Using Your PC 300PL (Type 6562) or Using Your PC 300PL

(Type 6592).

Device Drivers

PC 300PL computers come with device drivers to support built-in features and several operating systems.

The device drivers are preinstalled in models that come with IBM-preinstalled software. In addition, the device drivers are included on the Ready-to-Configure (RTC) CD-ROM that is provided with all PC 300PL models.

Operating System Support

Although a variety of operating systems can be used with PC 300PL computers, full function is provided only with Windows 95 and Windows NT 4.0. When operating systems other than Windows 95 and

Windows NT 4.0 are used, PC 300PL computers will work, but without all of the advanced functions (for instance, the USB function is not supported with OS/2.) For a list of operating systems that are compatible with PC 300PL computers, refer to Using Your PC 300PL (Type 6562), Using Your PC 300PL

(Type 6592), and the IBM online compatibility report on the World Wide Web at http://www.us.pc.ibm.com/cdt.

Note: An operating system and various support programs are preinstalled in some PC 300PL computers.

Refer to About Your Software for a detailed description of the preinstallation package. Also, a

Ready-to-Configure (RTC) CD-ROM is included with all models. The RTC CD-ROM contains applications and device driver support for the preinstalled operating system (if applicable), and several other operating systems.

Chapter 1. System Overview

5

Chapter 2. System Board Features

Chapter 2. System Board Features

This section provides information about system board features. For an illustration of the PC 300PL system board, refer to “Physical Layout” on page 24.

For a list of features provided with PC 300PL computers, refer to “Hardware Features” on page 1.

Microprocessor

PC 300PL computers have an Intel Pentium processor with MMX technology. This microprocessor has separate core supply (2.8 V) and I/O supply (3.52 V) voltages. A voltage regulator on the system board converts the 3.52 V provided by the power supply to the core voltage (2.8 V) required by the microprocessor.

The Pentium processor with MMX technology features the following:

Ÿ Optimization for 32-bit software

Ÿ Operation at a lower voltage level than previous microprocessors

Ÿ 64-bit data bus

Ÿ 32-bit I/O bus

Ÿ 32 KB L1 cache (split into 16 KB write-through code cache and 16 KB write-back data cache)

Ÿ Fractional bus speed (selectable at 2/7, 2/5, 1/3, or 1/2 bus/core frequency ratio)

Ÿ Power management features (stop clock, I/O trap restart, autohalt, system management mode)

Ÿ Math coprocessor

Ÿ Support for MMX technology (boosts the processing of graphic, video, and audio data)

More information on the Pentium processor with MMX technology can be found on the World Wide Web at http://www.intel.com.

The microprocessor plugs into a 321-pin PGA processor ZIF socket (Socket 7) located on the system board. This socket will accommodate the 320-pin Pentium processor with MMX technology. The ZIF socket defines approximately half of the Vcc pins for core supply and the other half for I/O supply.

For information on replacing a microprocessor or installing an upgrade, refer to Installing Options in Your

PC 300PL (Type 6562) or Installing Options in Your PC 300PL (Type 6592).

Chip Set Control

PC 300PL computers use the second-generation Intel 82430HX chip set, which consists of two modules.

The 324-pin TXC module provides a bridge between the PCI bus and the microprocessor bus. (For information on the PCI bus, see “PCI-to-ISA Bridge” on page 8.) The TXC module also controls the cache and system memory interfaces.

The 208-pin, PIIX3 module provides a bridge between the PCI and ISA buses. The module, which is fully compliant with PCI Local Bus Specification (Version 2.1), also contains the IDE and USB controllers.

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 Copyright IBM Corp. 1997

Chapter 2. System Board Features

L2 Cache

The L2 cache installed in PC 300PL computers consists of synchronous, pipeline burst, SRAMs installed in a single bank on the system board. There is one 32K x 8 bit, 15 ns, 5 V SRAM tag module and two

64K x 32 bit, 8ns, 3.3 V SRAM modules installed. Features of the L2 cache are as follows:

Ÿ Look-aside architecture

Ÿ Direct-mapped (one-way associativity) organization

Ÿ Operates in write-back mode

Ÿ Follows MESI (modified, exclusive, shared, invalid) protocol

Ÿ Implemented as a unified cache (cache code and data)

System Memory

The system memory interface in PC 300PL computers is controlled by the Intel TXC chip set module.

(Refer to “Chip Set Control” on page 6 for information on the TXC module.) There are three dual inline memory module (DIMM) sockets on the system board. The DIMM sockets are powered by

+

3.3 volts.

This voltage allows for low-power operation and supports 64-Mbit technology. For DIMM socket pin assignments, refer to “System Memory Connectors” on page 43.

The system board supports:

Ÿ A total of 384 MB of system memory

Ÿ A maximum of 128 MB of system memory in each DIMM socket

Any configuration of DIMMs is acceptable. However, DIMMs must have the following characteristics:

Ÿ Must be EDO nonparity (NP) or EDO error correcting code (ECC) DRAMs

Ÿ Must be 16, 32, 64, or 128 MB in size

Ÿ Must be 168-pin, unbuffered,

+

3 V, serial PD type

Ÿ Must have gold-lead tabs

Ÿ Must have 60 ns access speed only

Also, note the following:

Ÿ EDO NP modules and EDO ECC modules can be mixed, but they will configure as NP.

Ÿ To enable ECC, all installed memory must be of the EDO ECC type.

Note: Single inline memory modules (SIMMs) are not supported in PC 300PL computers.

Chapter 2. System Board Features

7

Chapter 2. System Board Features

PCI-to-ISA Bridge

The PIIX3 chipset module provides the bridge between the peripheral component interconnect (PCI) and industry standard architecture (ISA) buses. The chip is used to convert PCI bus cycles to ISA bus cycles.

The PCI bus is compliant with PCI Local Bus Specification 2.1. The PCI bus runs synchronously to the host bus and is driven at a frequency of 33 MHz (half the speed of the 66 MHz microprocessor bus). The

ISA bus is permanently set to the PCI bus speed divided by four.

The PCI bus shares interrupts with the ISA bus. Free interrupts are automatically assigned to PCI devices during POST. If no interrupts are available for the PCI devices, an 18XX POST error message is generated.

For information on PCI and ISA bus expansion connectors, see “Riser Card” on page 20.

System I/O and Power Management

The Intel PIIX3 chipset module that provides the PCI-to-ISA bridge also provides all the subsystems of the

ISA bus. These subsystems are:

Ÿ An ISA-compatible interrupt controller that provides the function of two cascaded 82C59 interrupt controllers

Ÿ Three counters, equivalent to an 82C54 programmable interval timer

Ÿ The function of two 82C37 DMA controllers with seven independent DMA channels (four 8-bit channels and three 16-bit channels)

Ÿ Power management features

For further information on the PIIX3 chipset module, refer to “Chip Set Control” on page 6.

8

Technical Information Manual

Chapter 2. System Board Features

IDE Bus Master Interface

The system board incorporates a PCI-to-IDE interface that complies with the AT Attachment Interface with

Extensions. The Intel PIIX3 chipset module contains the controller for the PCI Bus Master IDE interface.

The PIIX3 module allows concurrent operations on the PCI and IDE buses. (Refer to “Chip Set Control” on page 6 for further information on the PIIX3 module.)

The primary and secondary IDE busses are routed to two connectors on the riser card. A total of four IDE devices can be attached to the two IDE riser card connectors using ribbon cables. Note that a total of three IDE devices can be attached to the riser card connectors in the PC 300PL (Type 6562) due to bay limitations. The IDE devices receive their power through separate, four-position power cables containing

+

5 V,

+

12 V, and ground (GND) voltage.

On each IDE connector, one IDE device is designated as the primary (master) device, and the other device is designated as the secondary (subordinate) device. These designations are determined by switch or jumper settings on each IDE device. A functional primary device must be present on each IDE connector for a secondary device to be recognized on that same IDE connector. Care must be taken to ensure that the jumpers on the IDE devices installed in the system correctly identify them as either primary or secondary devices. Otherwise, some of the devices might not be recognized by the system. There is no performance impact between a primary device and a secondary device of the same type on the same

IDE connector.

A bootable IDE hard disk drive can be installed on either IDE connector. A bootable hard disk is one which has an active partition with an operating system installed on it.

PCI or ISA IDE expansion adapters are not supported.

For a list of devices that can be installed in PC 300PL computers, refer to “Internal Drives” on page 26.

The following table shows the typical system resource assignments for the IDE interface.

Table 1. System Resource Assignments for the IDE Interface

Configuration

IDE 1

IDE 2

ROM

None

None

RAM

None

None

I/O Address (Hex)

01F0-01F7, 03F6, 03F7 bits 6:0

0170-0177, 0376-0377

IRQ

14

15

DMA

None

None

Notes:

1. IDE 1 is the default for the primary channel.

2. IDE 2 is the default for the secondary channel.

When the computer is started, the resource assignments are subject to change during POST.

Two 40-pin connectors are provided on the riser card for the IDE interface. For information on connector pin assignments, see “IDE Connectors” on page 41.

Chapter 2. System Board Features

9

Chapter 2. System Board Features

USB Interface

The Intel PIIX3 chipset module contains the controller for the USB interface in PC 300PL computers.

(Refer to “Chip Set Control” on page 6 for information on the PIIX3 module.) Two USB ports are provided on the rear connector panel of the computers. A USB-enabled device can be attached to each port, and if that device is a hub, multiple peripheral devices can be attached to the hub and be used by the system.

Plug and Play technology is used to recognize installed devices. The USB port functions at speeds of up to 1.5 Mbits per second or 12 Mbits per second. Data is transferred in either asynchronous or isochronous mode. The system does not support a keyboard attached to either of the USB ports as a boot device.

The USB is compliant with Universal Host Controller Interface Design Guide 1.0. Features provided by

USB technology include:

Ÿ Support for up to 127 physical devices

Ÿ Connections of up to five meters in length from host to hub or hub to hub

Ÿ Support for hot pluggable devices

Ÿ Support for concurrent operation of multiple devices

Ÿ Support for different device bandwidths

Ÿ Guaranteed bandwidth and low latencies appropriate for telephony, audio, etc.

Ÿ Wide range of packet sizes

Ÿ Eight-signal USB cable

The external interface for the USB ports consists of two, 4-pin connectors. For information on connector pin assignments, see “USB Connectors” on page 46.

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Technical Information Manual

Chapter 2. System Board Features

Super Input/Output Controller

Control of the integrated input/output (I/O) ports, diskette drive, and real-time clock is provided by the

National Semiconductor PC87307 chip. This chip, which is compatible with Plug and Play ISA

Specification 1.0a, supports and implements the following features:

Ÿ Diskette interface

Ÿ Parallel port

Ÿ Serial ports

Ÿ Infrared port

Ÿ Keyboard and mouse ports

Ÿ General-purpose I/O ports

Ÿ Real-time clock

Diskette Interface

The PC 300PL (Type 6562) supports one diskette drive. The PC 300PL (Type 6592) supports a maximum of two diskette drives. (Refer to “Internal Drives” on page 26 for more information). The following is a list of devices that the diskette interface will support:

Ÿ 1.44 MB, 3.5-inch diskette drive

Ÿ 1.44 MB, 3.5-inch, 3-mode drive for Japan

Ÿ 1.2 MB, 5.25-inch diskette drive (PC 300PL, Type 6592 only)

Ÿ 1 Mbps, 500 Kbps, or 250 Kbps internal tape drive (PC 300PL, Type 6592 only)

Note: A 2.88 MB, 3.5-inch diskette drive is not supported.

The following table shows the typical system resource assignments for the diskette interface.

Table 2. System Resource Assignments for the Diskette Interface

Resource

ROM

RAM

I/O Address (Hex)

IRQ

DMA

6

2

Resource Assignment

None

None

03F0–03F5 (diskette channel 0)

03F7, bit 7 (diskette change)

When the computer is started, the resource assignments are subject to change during POST.

One shrouded, 34-pin, berg-strip connector is provided on the PC 300PL riser card for the diskette drive.

For information on connector pin assignments, see “Diskette Drive Connector” on page 42.

Chapter 2. System Board Features

11

Chapter 2. System Board Features

Parallel Port

One parallel port is integrated into the system board. Support for extended capabilities port (ECP), enhanced parallel port (EPP), and standard parallel port (SPP) modes is provided. These modes are selected through the Configuration/Setup Utility program, with the default mode set to SPP. The ECP and

EPP modes are compliant with IEEE 1284.

The following table shows the typical system resource assignments for the parallel port.

Table 3. System Resource Assignments for the Parallel Port

Configuration ROM RAM I/O Address (Hex)

LPT1

LPT2

LPT3

None

None

None

None

None

None

03BC–03BE

0378-037F

0278-027F

IRQ

7

5

DMA

3 3

3 3

3 3

Note: The default setting for the parallel port is LPT1. When the computer is started, the resource assignments are subject to change during POST.

The external interface for the parallel port is a 25-pin, female, D-shell connector. For information on connector pin assignments, see “Parallel Port Connector” on page 46.

Serial Ports

The serial port subsystem consists of two universal asynchronous receiver/transmitters (UARTs) that are

PC16550A- and NS16450-compatible. The serial ports include a 16-byte data first-in first-out (FIFO) buffer and have programmable baud rate generators. The UARTs function independently of one another, and both can be used in normal mode, which is inclusive of modem control circuitry. UART2 can be used as an infrared serial interface. UART2 function is determined at boot time via the Configuration/Setup

Utility program and can only be altered by changing setup and rebooting the computer. If UART2 is set to the infrared function, serial port 2 will be disabled.

The following table shows the typical system resource assignments for the serial ports.

Table 4. System Resource Assignments for the Serial Ports

Configuration

COM1

COM2

COM3

ROM

None

None

None

RAM

None

None

None

I/O Address (Hex)

03F8-03FF

02F8-02FF

0220-0227, 02E8-02EF,

0338-033F, 03E8-03EF

COM4 None None 0220-0227, 02E8-02EF,

0338-033F, 03E8-03EF

3

4

IRQ

4

3

DMA

None

None

None

None

The default setting for serial port 1 is COM1. For serial port 2, the default setting is COM2. When the computer is started, the resource assignments are subject to change during POST.

The external interface for the serial ports consists of two, 9-pin, male, D-shell connectors (in a stacked configuration). For information on connector pin assignments, see “Serial Port Connectors” on page 47.

3 ECP/EPP mode only.

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Technical Information Manual

Chapter 2. System Board Features

Infrared Port

An optional infrared port can be added to PC 300PL computers. To do this, an internal cable/connector assembly must be attached to the infrared header provided on the system board. This assembly provides a female, 9-pin, D-shell connector to be located in the knockout area at the rear of the computer. An infrared module (which contains the infrared optics) attaches to the female connector via a shielded cable with a standard 9-pin, male, D-shell connector. The internal cable/connector assembly and the infrared module/shielded cable do not come standard with PC 300PL computers. They can be purchased from

IBM or an IBM reseller as a single option package (referred to as the 4.0 MBit IR Transceiver Option).

Once the infrared option is installed, the infrared function must be enabled by configuring UART2 to infrared mode, rather than normal mode. (Note that UART2 can be used as either an infrared port or a second serial port; it cannot be used for both purposes.) The infrared port uses any of the same four system resource assignments as the serial port.

The software required for infrared communication is available on the Ready-to-Configure CD that comes with PC 300PL computers.

Note: For Windows 95, an infrared device driver must be installed. The device driver can be downloaded from the Microsoft Windows 95 Updates World Wide Web site.

The infrared module is capable of establishing a link of up to one meter (3.3 ft.) at a rate of

115 kilobits-per-second (Kbps). The infrared interface complies with HP-SIR, SHARP-IR and IrDA-2.

For information on connector pin assignments for the infrared port, refer to “Infrared Port Connector

(Optional)” on page 47.

Keyboard and Mouse Ports

The keyboard-and-mouse subsystem is controlled by a general purpose, 8-bit microcontroller. The controller consists of 256 bytes of data memory and 2 KB of read-only memory (ROM).

The controller has two logical devices; one controls the keyboard, and the other controls the mouse. The keyboard has two fixed I/O addresses and a fixed IRQ line (IRQ1). The keyboard can operate without a companion mouse, but the mouse can only operate with its companion keyboard. The mouse has a fixed

IRQ line (IRQ12), but it does not have its own I/O address; it relies on the addresses used by the keyboard.

The following table shows the typical system resource assignments for the keyboard and mouse.

Table 5. System Resource Assignments for the Keyboard and Mouse

Configuration

Keyboard & mouse

ROM

None

RAM

None

I/O Address (Hex)

0060, 0064

Keyboard only

Mouse only

None

None

None

None

0060, 0064

0060, 0064

IRQ

1 (keyboard)

12 (mouse)

1

12

DMA

None

None

None

Note: Keyboard & mouse is the default.

When the computer is started, the resource assignments are subject to change during POST.

For an external interface, the keyboard and mouse each have a 6-pin connector. For information on connector pin assignments, see “Keyboard and Mouse Port Connectors” on page 48.

Chapter 2. System Board Features

13

Chapter 2. System Board Features

General-Purpose I/O Ports

The National Semiconductor PC87307 chip on the system board has up to 16 general-purpose input/output (GPIO) pins which are supported by 2 GPIO ports. The port pins are used for specific functions and are not configurable by the user.

The GPIO ports use I/O addresses 0078-007F. Each GPIO port occupies a 4-byte I/O address.

Real-Time Clock

The low-power, real-time clock provides a time-of-day clock and a calendar. The clock is accurate to

+ / − 12 minutes per year. The clock settings are maintained by an external battery source at + 2.4 volts.

The life expectancy of the battery is approximately 2.25 years.

An external crystal is used to drive the real-time clock, and the battery is used to maintain the state of the

CMOS RAM when the power to the computer is turned off. (The system has 242 bytes of battery-backed

CMOS RAM in two banks.) If the CMOS RAM becomes corrupted and the system will not boot, a jumper is included on the system board to clear CMOS RAM so that POST can set CMOS RAM to factory default values.

The following table shows the typical system resource assignments for the real-time clock.

Table 6. System Resource Assignments for the Real-Time Clock

Resource

ROM

RAM

I/O Address (Hex)

IRQ

DMA

Resource Assignment

None

None

0070, bits 6:0 (address)

0071 (data)

8

None

When the computer is started, the resource assignments are subject to change during POST.

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Technical Information Manual

Chapter 2. System Board Features

Audio

The system board has a Crystal 4236B, 16-bit, stereo audio subsystem that provides all the digital audio and analog mixing functions required for recording and playing high-quality sound from PC 300PL computers. The audio subsystem provides the following functions:

Ÿ ISA bus interface

Ÿ Digital audio processor that supports Sound Blaster Pro, Adlib, and Microsoft Windows Sound System applications

Ÿ MIDI UART

Ÿ Windows Sound System interface

Ÿ FM synthesizer interface

Ÿ 16-bit codec/mixer

PC 300PL computers have a built-in, high-quality speaker and four audio jacks (ports). The jacks are industry-standard, 3.5 mm (1/8") mini-jacks. A description of these jacks follows.

Ÿ Audio Line Out: This jack, which is located on the rear connector panel, is used to send audio signals from the computer to external devices, such as stereo-powered speakers with built-in amplifiers, multimedia keyboards, or the Audio Line In jack on a stereo system.

Ÿ Audio Line In: This jack, which is located on the rear connector panel, is used to send audio signals from an external device (such as a CD player or stereo) to the computer so that the signals can be recorded on the hard disk. (However, the input level must be reduced accordingly using the mixer provided in the computer operating system.)

Ÿ Microphone: This jack, which is located on the front panel, is used to connect a microphone to the computer so that voice or other sounds can be recorded on the hard disk. This jack can also be used by speech-recognition software.

Ÿ Headphone: This jack, which is located on the front panel, is used to connect headphones or small bookshelf speakers to the computer. The speakers must have built-in amplifiers. If headphones are inserted in the jack, the computer's built-in speaker is muted (except for system beeps).

PC 300PL computers also have a volume control knob on the front panel that adjusts the sound level for the headphone jack and built-in speaker.

The following table shows the system resource assignments for the audio controller.

Table 7. System Resource Assignments for the Audio Controller

Resource

ROM

RAM

I/O Address (Hex)

IRQ

DMA

Resource Assignment

None

None

Required 4

Required 4

Required 4

When the computer is started, the resource assignments are subject to change during POST.

4 Assigned by Plug and Play BIOS or operating system.

Chapter 2. System Board Features

15

Chapter 2. System Board Features

Video

The video subsystem in PC 300PL computers consists of the following system board components:

Ÿ Matrox MGA-1164SG 3D video controller

Ÿ 2 MB of SGRAM (expandable to 4 MB SGRAM)

Ÿ Upgrade connector for the VESA interface option

Ÿ Upgrade connector for the Matrox multimedia option

The MGA-1164SG 3D video controller is a high-performance, next-generation 3D graphics, multimedia, and windows accelerator that provides the following:

Ÿ Superior Windows performance ( + 35 Winmarks)

Ÿ Acceleration of 3D texture-mapped multimedia applications

Ÿ Full DirectDraw compliance

Ÿ Acceleration of digital video, including software MPEG

Ÿ Integrated RAMDAC (190 MHz)

Ÿ Fully-featured 3D rendering engine

Ÿ Integrated digital video scaling, filtering, and color space conversion engine

Ÿ Shared frame buffer and split frame buffer modes of operation

Ÿ Support for all VGA modes; fully compatible superset of the VGA function

Ÿ VESA (Version 1.2)-compliant for SVGA modes

Ÿ Complete Plug and Play support

Ÿ DDC2B and I

2

C support

Ÿ Local peripheral bus (LPB)

In PC 300PL computers, the video subsystem connects to the monitor through a 15-pin, female, D-shell,

DDC2B-compliant connector located on the rear connector panel of the computer. If a DDC2B/DDC1 monitor is attached to the computer, the monitor will automatically be detected during POST and the refresh rates will be set to the optimal values (in the Configuration/Setup Utility program) supported by the

DDC2B/DDC1 monitor.

The following table shows the typical system resource assignments for the video controller.

Table 8. System Resource Assignments for the Video Controller

Resource

ROM (Hex)

RAM (Hex)

I/O Address (Hex)

Resource Assignment

C0000 to C7FFF (32 KB)

A0000 to BFFFF

MGABASE1 to (MGABASE1

+

3FFF), (MGA control aperture)

MGABASE2 to (MGABASE2

+

7FFFFF) (8 MB linear frame buffer)

MGABASE3 to (MGABASE3

+

7FFFFF) (8 MB pseudo-DMA window)

MGABASE1 is specified in the Matrox PCI configuration register offsets 10h–13h (default =

41000000h).

MGABASE2 is specified in the Matrox PCI configuration register offsets 14h–17h (default =

40800000h – prefetchable).

MGABASE3 is specified in the Matrox PCI configuration register offsets 18h–1Bh (default =

40000000h).

3B4-3B5, 3BA, 3C0-3C2, 3C4–3CA, 3CC, 3CE–3CF, 3D4-3D5, 3DA, 3DE–3DF

IRQ

DMA

The video IRQ can be enabled or disabled in the Configuration/Setup Utility program. If enabled, it is assigned PCI INT 2 and is automatically assigned an ISA IRQ by the Plug and

Play BIOS or operating system.

None

When the computer is started, the resource assignments are subject to change during POST.

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Technical Information Manual

Chapter 2. System Board Features

Video Device Drivers

Video device drivers for the Matrox MGA-1164SG 3D controller are provided on the Ready-to-Configure

CD that comes with PC 300PL computers. Instructions for installing the device drivers are provided on the

Ready-to-Configure CD in Matrox README files that correspond to the operating system being used. (If a prompt appears requesting specification of Mystique or Millennium, specify Mystique.)

Note: Video device drivers have already been installed in computers that come with IBM-preinstalled software.

Video Upgrade Options

The Matrox MGA-1164SG 3D video subsystem provides support for several types of upgrade options.

These options are standard Matrox upgrades that can be purchased directly from Matrox Graphics Inc.

Descriptions of the upgrades follow.

Note: The Matrox MGA-1164SG 3D video subsystem supports a maximum of one Matrox upgrade module. This means that a memory upgrade module cannot be used in conjunction with a multimedia upgrade module.

Memory Upgrade

PC 300PL computers come standard with 2 MB (2 chips) of video memory. A memory upgrade that provides an additional 2 MB of SGRAM memory can be purchased from Matrox. The upgrade provides more flexibility in terms of resolution and 3D support.

The memory upgrade is a daughtercard that plugs into two parallel, 70-pin connectors on the system board. The system board connectors provide all of the control, address, data, and power signals required by the upgrade daughtercard. The connectors incorporate keying and protection features.

Multimedia Upgrade

The other supported upgrades are the Matrox Rainbow Runner Studio multimedia upgrade modules.

These upgrades are available in several configurations. Refer to Using Your PC 300PL (Type 6562) and

Using Your PC 300PL (Type 6592) for a description of the upgrades available.

Rainbow Runner Studio upgrade modules plug into the Matrox Rainbow Runner Studio system board connectors. An optional cable and connector (containing audio/video inputs for Rainbow Runner Studio) is cabled from the Rainbow Runner Studio upgrade module to the knockout area at the rear of the computer.

Video Adapters

The video subsystem supports video adapters that are installed in either a PCI or an ISA expansion slot.

No jumpers need to be changed when an upgrade video adapter is installed, because the system BIOS automatically detects that the adapter has been added. If an ISA or PCI adapter is detected by the system BIOS, the adapter video is enabled, and the system board video is disabled. If no ISA or PCI video adapters are found, the system board video is then enabled.

Special Function Video Adapters

The system board has a VGA VESA feature connector that supports special function video adapters, such as the ReelMagic TV tuner and MPEG decoder adapters.

Chapter 2. System Board Features

17

Chapter 2. System Board Features

Ethernet

The system board of PC 300PL computers contains an Intel 82557 10/100 Mbit Ethernet controller that provides a high-performance network connection. The Ethernet controller, which is a Plug and Play device and a PCI 2.1 Bus Master, features the following:

Ÿ IEEE 802.3 compliance, 10 and 100 Mbps

Ÿ Support for 100BaseTx and 10BaseT with PCI bus interface

Ÿ Viewable media access control (MAC) address

Ÿ Single RJ-45 port

Ÿ 3 Kbyte transmit FIFO and 3 Kbyte receive FIFO

Ÿ Auto-negotiation

Ÿ Full duplex capability

Ÿ Full NOS support

The Ethernet controller interfaces directly with the ICS 1890 Tx physical layer on the system board, which contains all of the analog transmit and receive circuits.

The system board also includes a discrete Wake on LAN controller (MagPack). This controller can be disabled in the Configuration/Setup Utility program.

A switch is provided on the system board for disconnecting the Ethernet subsystem from AUX5 power.

This disconnection is required if a Wake on LAN adapter is installed. (The power supply does not provide enough AUX5 current to power both the system board Ethernet and a Wake on LAN adapter simultaneously.)

Note: For compliance with FCC Class B radiation limits, all Ethernet cabling attached to PC 300PL computers must be Class 5, regardless of the speed (10 Mbit or 100 Mbit).

The following table shows the system resource assignments for the Ethernet controller.

Table 9. System Resource Assignments for the Ethernet Controller

Resource Resource Assignment

ROM

RAM

I/O Address (Hex)

IRQ

DMA

None

None

Required 5

Required 5

None

When the computer is started, the resource assignments are subject to change during POST.

The external interface for the Ethernet feature is an 8-pin, RJ-45 connector. For information on connector pin assignments, see “Ethernet Connector” on page 49.

5 Assigned by Plug and Play BIOS or operating system.

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Technical Information Manual

Chapter 2. System Board Features

System Management Controller

The system board contains a National System Management chip (LM78) that monitors the computer at all times looking for potential hardware failures. The LM78 is programmed with predetermined threshold values for the following:

Ÿ System temperature

Ÿ Fan speed

Ÿ Power supply voltages ( + 5, + 12, − 12, + 3.52, Vcore)

Ÿ Intrusion detect for security (detects when chassis lid has been removed, even if power is off)

During system operation, Desktop Management Interface (DMI) code polls the LM78 chip and generates an alert if the measured value is outside of the programmed minimum and maximum range. The alert can be provided to a network administrator across a LAN.

Note: DMI is software used to gather information about the hardware and software in a computer. It allows network administrators to remotely monitor and control the computer. DMI can be used to remotely track many types of information about networked PCs. This information can be accessed using a DMI browser. DMI browsers are provided by all major operating system and all major LAN management packages.

The following table shows the typical system resource assignments for the system management controller.

Table 10. System Resource Assignments for the System Management Controller

Resource

ROM

RAM

I/O Address (Hex)

Resource Assignment

None

None

0290, 0295, 0296

IRQ

DMA

None

None

When the computer is started, the resource assignments are subject to change during POST.

Chapter 2. System Board Features

19

Chapter 2. System Board Features

Riser Card

The riser card in PC 300PL computers contains all the cable connectors for the system. The following illustrations show the physical layout of the riser card in each computer:

PCI

PCI

PCI

Shared

ISA

ISA

Front

Panel

Audio

CD-ROM

Audio

340-Pin

Connector

Figure 1. Riser Card for PC 300PL (Type 6562)

Power

(Back)

Modem

Wakeup

Wake

On LAN

Diskette Power

Secondary IDE

Diskette Drive

SCSI Hard

Disk LED

System Front

Panel

Primary IDE

(Back)

ISA

ISA

ISA

PCI

PCI

PCI

Front

Panel

Audio

CD-ROM

Audio

Diskette Drive (Back)

3.5 V Select (Back)

Fan

Modem Wakeup

SCSI Hard Disk LED

Wake on LAN

Speaker

340-Pin

Connector

Power

(Back)

Primary

IDE

(Back)

Secondary

IDE

(Back)

LED

Panel

(Back)

Figure 2. Riser Card for PC 300PL (Type 6592)

The riser card plugs into the system board via a 340-pin connector. Adapters plug into the ISA- or

PCI-expansion connectors (slots) on the riser card. Signals from adapters are routed to the ISA or PCI buses. Each ISA-expansion connector provides a 16-bit-wide data path, and each PCI-expansion connector provides a 32-bit-wide data path.

The following table shows the number of ISA, PCI, and shared ISA/PCI expansion slots provided with each type of PC 300PL computer. Shared slots will accommodate either an ISA adapter installed in the

20

Technical Information Manual

Chapter 2. System Board Features

ISA connector, or a PCI adapter installed into the PCI connector. Shared slots cannot accommodate ISA and PCI adapters at the same time.

Table 11. Riser Card Expansion Characteristics

Expansion Slot Type

Shared ISA/PCI

Dedicated ISA

Dedicated PCI

1

2

Type 6562

1

3

3

Type 6592

0

Each PCI-expansion connector is capable of driving one, low-power Schottky load. Each ISA-expansion connector is capable of driving two, low-power Schottky loads. The ISA bus is permanently set to the PCI bus speed divided by four.

The PCI bus shares interrupts with the ISA bus. Free interrupts are automatically assigned to PCI devices during POST. If no interrupts are available for the PCI devices, an 18xx POST error message is generated.

For information on connector pin assignments, see “ISA Bus Connectors” on page 37 and “PCI Bus

Connectors” on page 39.

Chapter 2. System Board Features

21

Chapter 2. System Board Features

System Board Switches

Switches are provided on the system board to allow for custom configuration. The switches, which are contained in an eight-position switch block on the system board, are rocker switches. The side of the rocker that is pushed down is the active side.

Switches 1 through 4 determine the speed of the microprocessor (CPU) and local processor bus. Switch settings for the Intel microprocessors supported by PC 300PL computers are shown in the following table.

Note that the two speeds shown for each microprocessor are the microprocessor core speed followed by the local processor bus speed (for example, 166/66 MHz).

Table 12. Microprocessor Speed (Switches 1-4)

Microprocessor

166/66 MHz

200/66 MHz

233/66 MHz

Switch 1 (BF0)

On

Off

Off

Switch 2 (BF1)

On

On

Off

Switch 3 (CLK0)

On

On

On

Switch 4 (CLK1)

Off

Off

Off

PC 300PL computers are designed to support other microprocessors. Switches 1 and 2 determine the local processor bus/microprocessor core ratio. (For instance, 166/66 is a 2/5 ratio.) Switches 3 and 4 control the local processor bus speed. (For instance, the 166/66 has a 66 MHz local processor bus speed.)

Note: Only the switch values shown in the preceding table are supported. Using unsupported switch settings will cause unpredictable results.

Switch 5 is reserved and should remain in the factory default Off position.

Table 13. Reserved (Switch 5)

Reserved Off (factory default)

Switch 6 enables or disables the system board Ethernet. When the Ethernet disable switch is On, the system board Ethernet is disabled. This switch must be on when a Wake on LAN adapter is installed.

(Note that only one Wake on LAN device can be used.)

Table 14. System Board Ethernet Control (Switch 6)

Disable

Enable (factory default)

On

Off

Switch 7 enables or disables the privileged access password (PAP). Note that this password is also referred to as the administrator password. Refer to Using Your PC 300PL (Type 6562) and Installing

Options in Your PC 300PL (Type 6562) or Using Your PC 300PL (Type 6592) and Installing Options in

Your PC 300PL (Type 6592) for important information on erasing lost or forgotten passwords.

Table 15. Privileged Access Password Control (Switch 7)

Disable (factory default)

Enable

Off

On

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Technical Information Manual

Switch 8 controls writes to the diskette drive.

Table 16. Floppy Device Access (Switch 8)

Write enabled (factory default)

Write protected

Chapter 2. System Board Features

Off

On

System Board Jumper

A jumper is provided on the system board for clearing CMOS memory. Refer to Installing Options in Your

PC 300PL (Type 6562) and Using Your PC 300PL (Type 6562) or Installing Options in Your PC 300PL

(Type 6592) and Using Your PC 300PL (Type 6592) for important information on clearing CMOS.

Table 17. CMOS Operation

Function

Normal operation (factory default)

Clear CMOS

Jumper Position

1-2

2-3

Chapter 2. System Board Features

23

Chapter 2. System Board Features

Physical Layout

PC 300PL computers incorporate a new system board and riser card design. There are no cables on the system board; all cables are on the riser card. The system board is on a sliding mechanism so that the board can be moved in and out of the computer without removing any cables. The new design eliminates cable clutter on the system board, allows for shorter cable lengths, simplifies peripheral upgrades, and provides better cooling for system components.

.1/

.2/

.3/

.13/

.14/

.15/

.16/

.17/

.18/

.19/

.2ð/

.21/

.4/

.5/

.6/

.7/

.8/

.9/

.1ð/

.11/

.12/

The system board has gold-edge tabs that contain all signals to the riser card. The gold-edge tabs insert into a 340-pin connector on the riser card.

The following is an illustration of the PC 300PL system board. Note that, in various PC 300PL computers, the system board might look slightly different from the one shown here. A diagram of the system board, including switch and jumper settings, is attached to the underside of the top cover of the computer.

Note: For other system connectors, refer to “Riser Card” on page 20.

Monitor connector

Mouse/keyboard connectors

(top=mouse, bottom=keyboard)

Serial connectors

(top=serial port 2, bottom=serial port 1)

USB connectors (top=USB2, bottom=USB1)

Parallel connector

Ethernet RJ45 connector

Audio line in jack

Audio line out jack

Matrox Rainbow Runner Studio upgrade connector

VESA feature connector

Infrared connector

Video memory or

Rainbow Runner Studio upgrade connector

Battery

SW1 (8-position rocker switch)

Microprocessor socket

DIMM socket 0

DIMM socket 1

DIMM socket 2

CMOS clear jumper

System board latch

Video memory or

Rainbow Runner Studio upgrade connector

8

OFF

1

ON

Figure 3. System Board

24

Technical Information Manual

Chapter 3. Adapters and Internal Drives

Chapter 3. Adapters and Internal Drives

This chapter provides information on adapters and internal drives supported by PC 300PL computers.

Adapters

This section provides information on the adapters preinstalled in some PC 300PL computers, as well as cabling requirements for Wake on LAN adapters.

Note: PC 300PL computers do not support IDE expansion adapters or the IBM PCMCIA adapter for PCI.

SCSI Adapter

Some PC 300PL computers come with an Adaptec SCSI-II Ultra Wide adapter installed in one of the expansion slots. This adapter provides an interface between the PCI bus and SCSI devices. SCSI technology is useful with multitasking operating environments because instructions can be sent concurrently to every drive in the system, and the drives can then execute these instructions simultaneously.

An extra cable is provided with SCSI models. The cable included with the PC 300PL (Type 6562) has four connectors: one connector for attaching the cable to the SCSI adapter and three connectors for attaching optional SCSI devices. The cable included with the PC 300PL (Type 6592) has five connectors: one connector for attaching the cable to the SCSI adapter and four connectors for attaching optional SCSI devices.

For information on the adapter and connecting SCSI devices, refer to the SCSI documentation that comes with PC 300PL computers.

Cabling Requirements for Wake on LAN Adapters

Wake on LAN adapters have two headers: a 3-pin, right-angle header for providing AUX5 (Auxiliary 5 volts), and a 2-pin straight header for connecting the wakeup signal to the system board (or riser card).

PC 300PL computers have a 3-pin header on the riser card that provides the AUX5 and wakeup signal connections. The Wake on LAN adapter option will provide a Y-cable that has the 3-pin riser card connector on one end and splits into the 3-pin and 2-pin connectors required to interface the card. When a Wake on LAN adapter is installed in the system and attached to the AUX5 power, the system board

Ethernet function must be disabled via switch 6 on the system board (refer to “System Board Switches” on page 22 for switch information).

 Copyright IBM Corp. 1997

25

Chapter 3. Adapters and Internal Drives

Internal Drives

The IDE, SCSI (some models only), and diskette interfaces provide connectors for attaching internal drives.

PC 300PL computers come standard with an internal diskette drive and an internal EIDE or SCSI hard disk drive. Some models also have an internal CD-ROM drive.

The following tables show the characteristics of internal drives that come standard with or are available for

PC 300PL computers.

Table 18. Diskette Drives

Characteristics

Standard

Maximum

Number/Size

One 3.5-inch, 1.44 MB diskette drive

One diskette drive

Table 19. IDE and SCSI Devices

Characteristics

Standard

Standard (some models only)

Optional

Maximum IDE Devices

Maximum SCSI Devices

Number/Size or Speed

One EIDE or Ultra Wide SCSI hard disk drive (size varies by model)

One IDE CD/ROM drive

IDE or SCSI hard disk drives and tape backup drives

Three total (Type 6562) Four total (Type 6592)

Refer to the SCSI documentation shipped with the computer.

Note: The actual number of internal devices that can be installed in PC 300PL computers is limited by the number of available drive bays in the computers.

26

Technical Information Manual

Chapter 4. Power Supply

Chapter 4. Power Supply

Power requirements are supplied by a 145-watt power supply in the PC 300PL (Type 6562), and a

200-watt supply in the PC 300PL (Type 6592). The power supply provides 3.52-volt power for the

Pentium microprocessor and core chip sets, as well as 5-volt power for ISA and PCI adapters. Also included is an auxiliary 5-volt (AUX 5) supply to provide power to power management circuitry and the system board Ethernet function, or a Wake on LAN adapter.

The power supply, which has EnergyStar and Extended LAN Wakeup features, converts ac input voltages into dc output voltages. The power supply operates at either 115 V ac or 230 V ac. The voltage setting is manually selected with a switch on the rear of the computer.

The power supply provides power for the following components:

Ÿ System board

Ÿ ISA and PCI adapters

Ÿ Internal drives

Ÿ Keyboard and auxiliary devices

Ÿ USB devices

A logic signal on the power connector controls the power supply. (The front panel switch is not directly connected to the power supply.)

The power supply connects to the riser card with a 2 x 10 connector.

 Copyright IBM Corp. 1997

27

Chapter 4. Power Supply

Power Input

For power input specifications, refer to Table 36 on page 32.

Power Output

The following tables show the power supply capacity per voltage for the PC 300PL (Type 6562) and PC

300PL (Type 6592). In the tables, amperes are designated with an A, and milliamperes with an mA.

Table 20. Power Output for 145-Watt Power Supply (PC 300PL, Type 6562)

Output Voltage

+

5 V dc

+

12 V dc

12 V dc

− 5 V dc

+ 3.52 V dc

+

5 V dc (auxiliary)

Minimum to Maximum

1.5 to 18.0 A 6

0.2 to 4.2 A

0.0 to 0.4 A

0.0 to 0.3 A

0.0 to 10.0 A 6

5 mA to 0.72 A

Regulation Limits

+

5% to

4%

+

5% to

5%

+

10% to

9%

+ 10% to − 10%

± 2%

±

5% to

10%

Table 21. Power Output for 200-Watt Power Supply (PC 300PL, Type 6592)

Output Voltage

+ 5 V dc

+

12 V dc

12 V dc

5 V dc

+

3.52 V dc

+

5 V dc (auxiliary)

Minimum to Maximum

1.5 to 20.0 A 7

0.2 to 8.0 A

0.0 to 0.4 A

0.0 to 0.3 A

0.0 to 20.0 A 7

5 mA to 0.72 A

Regulation Limits

+ 5% to − 4%

+

5% to

5%

+

10% to

9%

+

10% to

10%

±

2%

±

5% to

10%

The power supply provides separate voltage sources for the system board and internal storage devices.

The following tables show the maximum power that specific system components can draw. In normal operation, components draw less current than the maximum shown.

Table 22. System Board Power Connectors

Supply Voltage

+

3.52 V dc

+ 5.0 V dc

+ 12.0 V dc

12.0 V dc

Maximum Current

8520 mA

2000 mA

25.0 mA

25.0 mA

Regulation Limits

±

2%

+ 5.0% to − 4.0%

+ 5.0% to − 5.0%

+

10.0% to

9.0%

6

7

Simultaneous loading of

+

3.52 V dc and

+

5 V dc must not exceed 90 watts.

Simultaneous loading of

+

3.52 V dc and

+

5 V dc must not exceed 120 watts.

28

Technical Information Manual

Chapter 4. Power Supply

Table 23. ISA-Bus Adapters (Per Slot)

Supply Voltage

+

5.0 V dc

5.0 V dc

+

12.0 V dc

12.0 V dc

Maximum Current

2000 mA

100 mA

175 mA

100 mA

Regulation Limits

+

5.0% to

4.0%

±

10.0%

+

5.0% to

5.0%

+

10.0% to

9.0%

Table 24. PCI-Bus Adapters (Per Slot)

Supply Voltage

+

5.0 V dc

+

3.52 V dc

+

12 V dc

12 V dc

Maximum Current

5000 mA

7600 mA

500 mA

100 mA

Regulation Limits

+

5.0% to

4.0%

±

2.0%

±

5.0%

±

10.0%

Notes:

1. For each PCI connector, the maximum power consumption is rated at 25 watts for + 5 V and + 3.52 V combined.

2. Maximum current cannot be supplied to all components at all times. System power and cooling are designed to support the statistical RMS power load and typical combinations of adapters.

Table 25. Internal Devices (DASD)

Supply Voltage

+

5.0 V dc

+

12.0 V dc

Maximum Current

900 mA

1400 mA startup; 400 mA active

Regulation Limits

+

5.0% to

5.0%

+

5.0% to

5.0%

Note: Some adapters and hard disk drives draw more current than the recommended limits. These adapters and drives can be installed in the system; however, the power supply will shut down if the total power used exceeds the maximum power that is available.

Table 26. Keyboard Port

Supply Voltage

+ 5.0 V dc

Maximum Current

275 mA

Regulation Limits

+ 5.0% to − 4.0%

Table 27. Auxiliary Device Port

Supply Voltage

+ 5.0 V dc

Table 28. USB Port

Supply Voltage

+

5.0 V dc

Maximum Current

300 mA

Maximum Current

500 mA

Regulation Limits

+ 5.0% to − 4.0%

Regulation Limits

+

5.0% to

4.0%

Chapter 4. Power Supply

29

Chapter 4. Power Supply

Output Protection

The power supply protects against output overcurrent, overvoltage, and short circuits.

A short circuit that is placed on any dc output (between outputs or between an output and dc return) latches all dc outputs into a shutdown state, with no damage to the power supply. If this shutdown state occurs, the power supply returns to normal operation only after the fault has been removed and the ac input voltage has been turned off for at least five seconds.

If an overvoltage fault occurs (in the power supply), the power supply latches all dc outputs into a shutdown state before any output exceeds 130% of the nominal value of the power supply.

Power Connectors

The power supply connects to the riser card via a single 2 x 10 connector.

The power supply provides 4-pin connectors for attaching internal devices. The PC 300PL (Type 6562) has three DASD connectors, and the PC 300PL (Type 6592) has one diskette and four DASD connectors.

The following tables list the pin assignments for these connectors.

Note: The total power used by the any of following connectors must not exceed the amount shown in

Table 25 on page 29.

Table 29. Pin Assignments for the 4-Pin Power Connectors (PC 300PL, Type 6562)

Connector

P2

P3

P4

Location

DASD

DASD

DASD

Pin 1

+ 12 V

+

12 V

+

12 V

Pin 2

Ground

Ground

Ground

Pin 3

Ground

Ground

Ground

Pin 4

+ 5 V

+

5 V

+

5 V

Table 30. Pin Assignments for the 4-Pin Power Connectors (PC 300PL, Type 6592)

Connector

P3

P4

P5

P6

P7

Location

3.5-inch diskette drive

DASD

DASD

DASD

DASD

Pin 1

+

5 V

+

12 V

+

12 V

+

12 V

+

12 V

Pin 2

Ground

Ground

Ground

Ground

Ground

Pin 3

Ground

Ground

Ground

Ground

Ground

Pin 4

+

12 V

+

5 V

+

5 V

+

5 V

+

5 V

30

Technical Information Manual

Chapter 5. Physical Specifications

Chapter 5. Physical Specifications

The tables in this chapter list the physical specifications for PC 300PL computers.

Note: The computers are electromagnetically compatible with FCC Class B.

Table 31. Size

Description

Depth

Height

Width

Measurement (Type 6562)

450 mm (17.7 in.)

128 mm (5.0 in.)

450 mm (17.7 in.)

Measurement (Type 6592)

445 mm (17.5 in.)

492 mm (19.4 in.)

200 mm (7.9 in.)

Table 32. Weight

Description

Minimum configuration

Maximum configuration

Table 33. Cables

Description

Power cable

Keyboard cable

Ribbon cable (IDE interface)

SCSI cable (models with SCSI adapter only)

Measurement (Type 6562)

9.9 kg (22 lb)

11.3 kg (25 lb)

Measurement

1.63 m (5 ft 4 in.)

1.83 m (6 ft)

0.51 m (1 ft 8 in.)

0.91 m (3 ft)

Measurement (Type 6592)

15 kg (33 lb)

17.3 kg (38 lb)

Table 34. Air Temperature

Description

System on

System off

Measurement

10 to 35°C (50 to 95°F)

10 to 43°C (50 to 110°F)

Note: The maximum altitude at which the specified air temperatures apply is 2134 m (7000 ft). At higher altitudes, the maximum air temperatures are lower than those specified.

Table 35. Humidity

Description

System on

System off

Measurement

8% to 80%

8% to 80%

 Copyright IBM Corp. 1997

31

Chapter 5. Physical Specifications

In the following two tables, maximum power and heat specifications are based on the maximum capacity of the power supply (145-watt maximum for Type 6562 and 200-watt maximum for Type 6592).

Table 36. Electrical Input

Description

Low range

High range

Sine-wave input

Input kilovolt-amperes, minimum (approximate)

Input kilovolt-amperes, maximum (approximate)

Measurement

90 V ac (minimum)

137 V ac (maximum)

100 to 127 V ac (nominal)

180 V ac (minimum)

265 V ac (maximum)

200 to 240 V ac (nominal)

50 to 60 Hz is required

0.08 kVA (Types 6562 and 6592)

0.37 kVA (Type 6562) 0.52 kVA (Type 6592)

Table 37. Heat Output (Approximate)

Description

Minimum configuration

Theoretical maximum configuration 8

Measurement (Type 6562)

35 W (120 Btu per hour)

207 W (704 Btu per hour)

Measurement (Type 6592)

35 W (120 Btu per hour)

285 W (970 Btu per hour)

8 Under typical maximum configurations, the heat output will be significantly below the theoretical maximum.

32

Technical Information Manual

Chapter 6. System Compatibility

Chapter 6. System Compatibility

This chapter provides information on some of the hardware, software, and BIOS compatibility issues for the PC 300PL (Type 6562) and (Type 6592). For a list of compatible hardware and software option packages available, refer to the Compatibility Report for these computers on the World Wide Web at http://www.us.pc.ibm.com/cdt.

Hardware Compatibility

This section discusses hardware and BIOS compatibility issues that must be considered when designing application programs.

Many of the interfaces are the same as those used by the IBM Personal Computer AT. In most cases, the command and status organization of these interfaces is maintained.

The functional interfaces are compatible with the following interfaces:

Ÿ The Intel 8259 interrupt controllers (edge-triggered mode)

Ÿ The National Semiconductor NS16450 and NS16550A serial communication controllers

Ÿ The Motorola MC146818 Time of Day Clock command and status (CMOS reorganized)

Ÿ The Intel 8254 timer, driven from a 1.193 MHz clock (channels 0, 1, and 2)

Ÿ The Intel 8237 DMA controller, except for the Command and Request registers and the Rotate and

Mask functions; the Mode register is partially supported

Ÿ The Intel 8272 or 82077 diskette drive controllers

Ÿ The Intel 8042 keyboard controller at addresses 0060h and 0064h

Ÿ All video standards using VGA, EGA, CGA, MDA, and Hercules modes

Ÿ The parallel printer ports (Parallel 1, Parallel 2, and Parallel 3) in compatibility mode

Use the following information to develop application programs. Whenever possible, use the BIOS as an interface to hardware to provide maximum compatibility and portability of applications among systems.

 Copyright IBM Corp. 1997

33

Chapter 6. System Compatibility

Hardware Interrupts

Hardware interrupts are level-sensitive for PCI interrupts and edge-sensitive for ISA interrupts. The interrupt controller clears its in-service register bit when the interrupt routine sends an End of Interrupt

(EOI) command to the controller. The EOI command is sent regardless of whether the incoming interrupt request to the controller is active or inactive.

The interrupt-in-progress latch is readable at an I/O-address bit position. This latch is read during the interrupt service routine and might be reset by the read operation, or it might require an explicit reset.

Note: For performance and latency considerations, designers might want to limit the number of devices sharing an interrupt level.

With level-sensitive interrupts, the interrupt controller requires that the interrupt request be inactive at the time the EOI command is sent; otherwise, a new interrupt request will be detected. To avoid this, a level-sensitive interrupt handler must clear the interrupt condition (usually by a read or write operation to an I/O port on the device causing the interrupt). After processing the interrupt, the interrupt handler:

1. Clears the interrupt

2. Waits one I/O delay

3. Sends the EOI

4. Waits one I/O delay

5. Enables the interrupt through the Set Interrupt Enable Flag command

Hardware interrupt IRQ9 is defined as the replacement interrupt level for the cascade level IRQ2.

Program interrupt sharing is implemented on IRQ2, interrupt 0Ah. The following processing occurs to maintain compatibility with the IRQ2 used by IBM Personal Computer products:

1. A device drives the interrupt request active on IRQ2 of the channel.

2. This interrupt request is mapped in hardware to IRQ9 input on the second interrupt controller.

3. When the interrupt occurs, the system microprocessor passes control to the IRQ9 (interrupt 71h) interrupt handler.

4. This interrupt handler performs an EOI command to the second interrupt controller and passes control to the IRQ2 (interrupt 0Ah) interrupt handler.

5. This IRQ2 interrupt handler, when handling the interrupt, causes the device to reset the interrupt request before performing an EOI command to the master interrupt controller that finishes servicing the IRQ2 request.

34

Technical Information Manual

Chapter 6. System Compatibility

Diskette Drives and Controller

The following table shows the reading, writing, and formatting capabilities for the diskette drive type supported by PC 300PL computers.

Table 38. 3.5-Inch Diskette Drive Reading, Writing, and Formatting Capabilities

Diskette Drive Type

1.44 MB drive

720 KB Mode

RWF

1.44 MB Mode

RWF

2.88 MB Mode

Not supported

Copy Protection

The following methods of copy protection might not work in systems using the 3.5-inch, 1.44 MB diskette drive.

Ÿ Bypassing BIOS routines:

– Data transfer rate: BIOS selects the proper data transfer rate for the media being used.

– Diskette parameter table: Copy protection, which creates its own diskette parameter table, might not work in these drives.

Ÿ Diskette drive controls:

– Rotational speed: The time between two events in a diskette drive is a function of the controller.

– Access time: Diskette BIOS routines must set the track-to-track access time for the different types of media that are used in the drives.

– ‘Diskette change’ signal: Copy protection might not be able to reset this signal.

Ÿ Write-current control: Copy protection that uses write-current control does not work, because the controller selects the proper write current for the media that is being used.

Hard Disk Drives and Controller

Reading from and writing to the hard disk is initiated in the same way as in other IBM Personal Computer products; however, new functions are supported.

Software Compatibility

To maintain software compatibility, the interrupt polling mechanism that is used by IBM Personal Computer products is retained. Software that interfaces with the reset port for the IBM Personal Computer positive-edge interrupt sharing (hex address 02F x or 06Fx, where x is the interrupt level) does not create interference.

Software Interrupts

With the advent of software interrupt sharing, software interrupt routines must daisy-chain interrupts. Each routine must check the function value, and if it is not in the range of function calls for that routine, it must transfer control to the next routine in the chain. Because software interrupts are initially pointed to address 0:0 before daisy chaining, check for this case. If the next routine is pointed to address 0:0 and the function call is out of range, the appropriate action is to set the carry flag and do a RET 2 to indicate an error condition.

Chapter 6. System Compatibility

35

Chapter 6. System Compatibility

Machine-Sensitive Programs

Programs can select machine-specific features, but they must first identify the machine and model type.

IBM has defined methods for uniquely determining the specific machine type. The machine model byte can be found through Interrupt 15H, Return System Configuration Parameters function ((AH)=C0H).

36

Technical Information Manual

Appendix A. Connector Pin Assignments

Appendix A. Connector Pin Assignments

The following tables show the pin assignments for various riser card and system board connectors.

ISA Bus Connectors

A1 A31 C1 C18

B1

Figure 4. ISA Bus Connector

The ISA bus connectors are located on the riser card.

B31 D1

B10

B11

B12

B13

B14

B15

B16

B17

B18

B19

B4

B5

B6

B7

Pin

B1

B2

B3

B8

B9

B20

B21

B22

B23

B24

B25

B26

B27

B28

Table 39 (Page 1 of 2). Pin Assignments for the ISA Bus Connectors

CLK

IRQ7

IRQ6

IRQ5

IRQ4

IRQ3

DACK2#

TC

BALE

Signal Name

Ground

RESET DRV

+

5 V dc

IRQ2/9

5 V dc

DRQ2

− 12 V dc

0WS#

+ 12 V dc

Ground

SMEMW#

SMEMR#

IOW#

IOR#

DACK3#

DRQ3

DACK1#

DRQ1

REFRESH#

I

O

I/O

O

NA

O

O

I/O

I

I/O

I

NA

I

NA

I/O

NA

O

NA

I

NA

O

O

I

I

O

I

I

I

O

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A4

A5

A6

A7

Pin

A1

A2

A3

A8

A9

A20

A21

A22

A23

A24

A25

A26

A27

A28

SA7

SA6

SA5

SA4

SA3

SA11

SA10

SA9

SA8

IOCHRDY

AEN

SA19

SA18

SA17

SA16

SA15

SA14

SA13

SA12

SD5

SD4

SD3

SD2

Signal Name

IOCHCK#

SD7

SD6

SD1

SD0

 Copyright IBM Corp. 1997

D18

I/O

I/O

I/O

I/O

I

O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

37

Appendix A. Connector Pin Assignments

D7

D8

D9

D10

D11

D12

D13

D14

D15

D16

D17

D18

D1

D2

D3

D4

B29

B30

B31

D5

D6

Table 39 (Page 2 of 2). Pin Assignments for the ISA Bus Connectors

Pin Signal Name

+

5 V dc

OSC

Ground

I/O

NA

O

NA

Pin

A29

A30

A31

Signal Name

SA2

SA1

SA0

MEMCS16#

IOCS16#

IRQ10

IRQ11

IRQ12

IRQ15

I

I

I

I

I

I

C1

C2

C3

C4

C5

C6

SBHE#

LA23

LA22

LA21

LA20

LA19

IRQ14

DACK0#

DRQ0

DACK5#

DRQ5

DACK6#

DRQ6

DACK7#

DRQ7

+ 5 V dc

MASTER#

Ground

I

O

I

O

I

O

I

O

I

NA

I

NA

C7

C8

C9

C10

C11

C12

C13

C14

C15

C16

C17

C18

LA18

LA17

MEMR#

MEMW#

SD8

SD9

SD10

SD11

SD12

SD13

SD14

SD15

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

I/O

38

Technical Information Manual

Appendix A. Connector Pin Assignments

PCI Bus Connectors

A2

A1

A62

B1

B2

Figure 5. PCI Bus Connector

Note: The PCI bus connectors are located on the riser card.

A30

A31

A32

A33

A26

A27

A28

A29

Table 40 (Page 1 of 2). Pin Assignments for the PCI Bus Connectors

A20

A21

A22

A23

A16

A17

A18

A19

A24

A25

A10

A11

A12

A13

A6

A7

A8

A9

A14

A15

Pin

A1

A2

A3

A4

A5

Signal Name

TRST#

+

12 V dc

TMS

TDI

+ 5 V dc

INTA#

INTC#

+

5 V dc

Reserved

+

5 V dc

Reserved

Ground

Ground

Reserved

RST#

+

5 V dc

GNT#

Ground

Reserved

Address/Data 30

+

3.52 V dc

Address/Data 28

Address/Data 26

Ground

Address/Data 24

I/O

NA

I/O

I/O

NA

O

NA

NA

NA

I/O

NA

NA

NA

NA

I

I

NA

NA

NA

O

I/O

O

NA

O

O

NA

B20

B21

B22

B23

B16

B17

B18

B19

B24

B25

B10

B11

B12

B13

B6

B7

B8

B9

B14

B15

Pin

B1

B2

B3

B4

B5

Signal Name

12 V dc

TCK

Ground

TDO

+ 5 V dc

+

5 V dc

INTB#

INTD#

PRSNT1#

Reserved

PRSNT2#

Ground

Ground

Reserved

Ground

IDSEL

+

3.52 V dc

Address/Data 22

Address/Data 20

Ground

Address/Data 18

Address/Data 16

+

3.52 V dc

NA

I/O

I/O

NA

O

NA

I/O

I/O

B30

B31

B32

B33

B26

B27

B28

B29

CLK

Ground

REQ#

+

5 V dc

Address/Data 31

Address/Data 29

Ground

Address/Data 27

Address/Data 25

+ 3.52 V dc

C/BE3#

Address/Data 23

Ground

Address/Data 21

Address/Data 19

+

3.52 V dc

Address/Data 17

C/BE2#

B62

Appendix A. Connector Pin Assignments

39

I/O

NA

I/O

I/O

I/O

I/O

NA

I/O

I/O

I/O

NA

I/O

O

NA

I

NA

I/O

NA

I

NA

NA

NA

I

I

I

NA

NA

NA

I/O

NA

O

NA

I

NA

Appendix A. Connector Pin Assignments

Table 40 (Page 2 of 2). Pin Assignments for the PCI Bus Connectors

Pin Signal Name I/O Pin Signal Name

FRAME#

Ground

TRDY#

Ground

STOP#

+

3.52 V dc

SDONE

SBO#

Ground

PCIPAR

Address/Data 15

+

3.52 V

Address/Data 13

Address/Data 11

Ground

Address/Data 9

##Key##

##Key##

C/BE0#

+ 3.52 V dc

Address/Data 6

Address/Data 4

Ground

Address/Data 2

Address/Data 0

+

5 V dc

REQ64#

+

5 V dc

+ 5 V dc

A48

A49

A50

A51

A44

A45

A46

A47

A52

A53

A38

A39

A40

A41

A34

A35

A36

A37

A42

A43

A58

A59

A60

A61

A62

A54

A55

A56

A57

I/O

NA

NA

NA

I/O

I/O

NA

I/O

I/O

I/O

I/O

NA

I/O

I/O

I/O

NA

I/O

NA

NA

NA

I/O

NA

I/O

NA

NA

NA

I/O

I/O

NA

Ground

IRDY#

+

3.52 V dc

DEVSEL#

Ground

LOCK#

PERR#

+

3.52 V dc

SERR#

+ 3.52 V dc

C/BE1#

Address/Data 14

Ground

Address/Data 12

Address/Data 10

Ground

##Key##

##Key##

Address/Data 8

Address/Data 7

+

3.52 V dc

Address/Data 5

Address/Data 3

Ground

Address/Data 1

+

5 V dc

ACK64#

+

5 V dc

+ 5 V dc

B48

B49

B50

B51

B44

B45

B46

B47

B52

B53

B38

B39

B40

B41

B34

B35

B36

B37

B42

B43

B58

B59

B60

B61

B62

B54

B55

B56

B57

I/O

NA

I/O

NA

NA

NA

I/O

I/O

NA

I/O

NA

NA

NA

I/O

I/O

NA

I/O

I/O

I/O

I/O

NA

I/O

I/O

NA

NA

I/O

NA

I/O

I/O

NA

40

Technical Information Manual

IDE Connectors

2

Appendix A. Connector Pin Assignments

40

Figure 6. IDE Connector

1

The IDE connectors are 40-pin, shrouded berg strips located on the riser card.

39

19

21

23

25

11

13

15

17

27

29

31

33

35

37

39

Table 41. Pin Assignments for the IDE Connectors

Pin

1

3

5

7

9

Signal Name

Reset

D7

D6

D5

D4

I/O

O

I/O

I/O

I/O

I/O

D3

D2

D1

D0

Ground

DMA REQ

IOW#

IOR#

IOCHRDY

DMA ACK#

IRQ

SA1

SA0

CS0#

Active#

O

O

NA

NA

I/O

I/O

I/O

I/O

I

NA

I

O

O

I

O

20

22

24

26

12

14

16

18

28

30

32

34

36

38

40

Pin

2

4

6

8

10

Signal Name

Ground

D8

D9

D10

D11

D12

D13

D14

D15

Key

Ground

Ground

Ground

CSEL

Ground

CS16#

No connect

SA2

CS1#

Ground

NA

NA

NA

NA

I/O

I/O

I/O

I/O

O

NA

O

O

I

I

NA

I/O

NA

I/O

I/O

I/O

I/O

Appendix A. Connector Pin Assignments

41

Appendix A. Connector Pin Assignments

Diskette Drive Connector

2 34

1

Figure 7. Diskette Drive Connector

33

The diskette drive connector is a 34-pin, shrouded berg strip located on the riser card.

Table 42. Pin Assignments for the Diskette Drive Connector

Pin Signal Name I/O Pin

21

23

25

27

29

31

33

9

11

13

15

1

3

5

7

17

19

Drive 2 installed#

Not connected

Ground

Ground

Reserved

Ground

Ground

Ground

MSEN1

Ground

Ground

Ground

Ground

MSEN0

Ground

Ground

Ground

NA

NA

I

NA

NA

NA

NA

NA

NA

NA

NA

I

NA

NA

NA

I

NA

22

24

26

28

30

32

34

10

12

14

16

2

4

6

8

18

20

Signal Name

High density select

Not connected

Data rate 0

Index#

Motor enable 0#

Drive select 1#

Drive select 0#

Motor enable 1#

Direction in#

Step#

Write data#

Write enable#

Track 0#

Write protect#

Read data#

Head 1 select#

Diskette change#

I/O

O

O

O

O

O

O

O

NA

I

NA

I

I

O

I

I

O

O

42

Technical Information Manual

System Memory Connectors

85

Appendix A. Connector Pin Assignments

168

1

Figure 8. System Memory (DIMM) Connector

84

Each DIMM connector is a 168-pin, gold-lead, unbuffered, 3.3 V, SDRAM connector.

Table 43 (Page 1 of 3). Pin Assignments for the DIMM Connectors

Pin

1

2

3

4

5

Signal Name

Ground

DQ0

DQ1

DQ2

DQ3

I/O

NA

I/O

I/O

I/O

I/O

Pin

85

86

87

88

89

Signal Name

Ground

DQ32

DQ33

DQ34

DQ35

DQ12

DQ13

Vcc

DQ14

DQ15

CB0

CB1

Ground

NC

NC

Vcc

DQ4

DQ5

DQ6

DQ7

DQ8

Ground

DQ9

DQ10

DQ11

Vcc

/WE0

DQMB0

DQMB1

/S0

/OE0

Ground

A0

20

21

22

23

16

17

18

19

24

25

10

11

12

13

6

7

8

9

14

15

30

31

32

33

26

27

28

29

I/O

I/O

I/O

I/O

O

O

O

O

NA

NA

I/O

I/O

NA

I/O

I/O

I/O

I/O

I/O

I/O

O

O

O

O

O

I/O

O

O

O

104

105

106

107

100

101

102

103

108

109

94

95

96

97

90

91

92

93

98

99

114

115

116

117

110

111

112

113

DQ44

DQ45

Vcc

DQ46

DQ47

CB4

CB5

Ground

NC

NC

Vcc

DQ36

DQ37

DQ38

DQ39

DQ40

Ground

DQ41

DQ42

DQ43

Vcc

NC

DQMB4

DQMB5

/S1

NC

Ground

A1

O

NA

NA

O

O

O

NA

NA

I/O

I/O

I/O

NA

I/O

I/O

NA

I/O

NA

NA

I/O

I/O

NA

I/O

NA

NA

I/O

I/O

I/O

I/O

I/O

NA

I/O

I/O

I/O

I/O

Appendix A. Connector Pin Assignments

43

Appendix A. Connector Pin Assignments

Ground

DQ21

DQ22

DQ23

Ground

DQ24

DQ25

DQ26

DQ27

Vcc

Ground

DQ16

DQ17

DQ18

DQ19

Vcc

DQ20

NC

NC

NC

DQ28

DQ29

DQ30

/OE2

/S2

DQMB2

DQMB3

/WE2

Vcc

NC

NC

CB2

CB3

A2

A4

A6

A8

A10

NC

Vcc

Vcc

NC

Ground

Table 43 (Page 2 of 3). Pin Assignments for the DIMM Connectors

Pin Signal Name I/O Pin Signal Name

68

69

70

71

64

65

66

67

72

73

74

75

76

58

59

60

61

54

55

56

57

62

63

48

49

50

51

44

45

46

47

52

53

38

39

40

41

34

35

36

37

42

43

NA

I/O

I/O

I/O

NA

I/O

I/O

I/O

I/O

NA

I/O

NA

I/O

NA

NA

I/O

I/O

I/O

NA

NA

I/O

I/O

I/O

O

O

NA

NA

O

O

O

O

I/O

I/O

O

O

NA

NA

O

O

O

O

NA

NA

152

153

154

155

148

149

150

151

156

157

142

143

144

145

138

139

140

141

146

147

158

159

160

132

133

134

135

128

129

130

131

136

137

122

123

124

125

118

119

120

121

126

127

Ground

DQ53

DQ54

DQ55

Ground

DQ56

DQ57

DQ58

DQ59

Vcc

Ground

DQ48

DQ49

DQ50

DQ51

Vcc

DQ52

NC

NC

NC

DQ60

DQ61

DQ62

NC

Vcc

NC

NC

NC

/S3

DQMB6

DQMB7

CB6

CB7

A3

A5

A7

A9

A11

NC

Vcc

NC

NC

Ground

44

Technical Information Manual

I/O

NA

I/O

NA

NA

I/O

I/O

I/O

NA

NA

NA

NA

NA

NA

O

O

NA

O

I/O

I/O

I/O

O

O

NA

NA

O

O

O

O

NA

NA

I/O

I/O

I/O

NA

I/O

I/O

I/O

NA

I/O

I/O

I/O

I/O

NA

Appendix A. Connector Pin Assignments

Table 43 (Page 3 of 3). Pin Assignments for the DIMM Connectors

Pin Signal Name I/O Pin Signal Name

81

82

83

84

77

78

79

80

DQ31

Ground

NC

NC

NC

SDA

SCL

Vcc

I/O

I/O

I/O

NA

I/O

NA

I/O

I/O

165

166

167

168

161

162

163

164

DQ63

Ground

NC

NC

SA0

SA1

SA2

Vcc

Notes:

1. DU = Don't use

2. NC = Not connected

I/O

I/O

I/O

I/O

I/O

I/O

NA

NA

NA

Appendix A. Connector Pin Assignments

45

Appendix A. Connector Pin Assignments

USB Connectors

1 2

3 4

Figure 9. USB Connector

The external interface for the USB ports consists of two, 4-pin connectors.

1

2

3

4

Table 44. Pin Assignments for the USB Connectors

Pin Signal Name

VCC

-Data

+Data

Ground

I/O

NA

I/O

I/O

NA

Parallel Port Connector

13 1

25 14

Figure 10. Parallel Port Connector

The external interface for the parallel port is a 25-pin, female, D-shell connector.

11

13

15

17

3

5

7

9

19

21

23

25

Table 45. Pin Assignments for the Parallel Port Connector

Pin

1

Signal Name

STROBE#

I/O

I/O

Pin

2

D1

D3

D5

D7

BUSY

SLCT

ERROR#

SLCT IN#

Ground

Ground

Ground

Ground

I

O

I

I

I/O

I/O

I/O

I/O

NA

NA

NA

NA

12

14

16

18

4

6

8

10

20

22

24

Signal Name

D0

D2

D4

D6

ACK#

PE

AUTO FD XT#

INIT#

Ground

Ground

Ground

Ground

I/O

I/O

I

O

O

NA

I/O

I/O

I

I/O

NA

NA

NA

46

Technical Information Manual

Serial Port Connectors

Appendix A. Connector Pin Assignments

1 5

6 9

Figure 11. Serial Port Connector

The external interface for the serial ports consists of two, 9-pin, male, D-shell connectors (in a stacked configuration).

Table 46. Pin Assignments for the Serial Port Connectors

7

9

3

5

Pin

1

Signal Name

Data carrier detect

Transmit data#

Ground

Request to send

Ring indicator I

O

I

I/O

O

NA

8

4

6

Pin

2

Signal Name

Receive data#

Data terminal read

Data set ready

Clear to send I

I

O

I

I/O

Infrared Port Connector (Optional)

1 5

6 9

Figure 12. Infrared Port Connector

The external interface for the optional infrared port is a 9-pin, female, D-shell connector.

7

8

9

3

4

5

6

Table 47. Pin Assignments for the Infrared Connector

Pin

1

2

Signal Name

IRTX

Ground

Signal Definition

Infrared transmitted data (output)

Reserved

IRSL2

IRSL1

IRRX

VCC

IRSL0

NC

Infrared module select 2

Infrared module select 1

Infrared received data (input)

Input voltage (5 V) from system board

Infrared module select 0

No connect

I/O

O

NA

I

O

NA

O

NA

O

NA

Appendix A. Connector Pin Assignments

47

Appendix A. Connector Pin Assignments

Keyboard and Mouse Port Connectors

6

4

5

3

2 1

Figure 13. Keyboard and Mouse Port Connector

The keyboard and mouse ports each have a 6-pin, mini-DIN external connector.

1

3

5

Table 48. Pin Assignments for the Keyboard and Mouse Connectors

Pin Signal Name I/O Pin Signal Name

Data

Ground

Clock

I/O

NA

I/O

2

4

6

Reserved

+

5 V dc

Reserved

Monitor Port Connector

5 1

10 6

15 11

Figure 14. Monitor Connector

The external interface for the integrated Matrox MGA-1164SG 3D video subsystem is a 15-pin, female,

D-shell, DDC2B-compliant connector located on the rear connector panel.

9

10

11

12

5

6

7

8

13

14

15

Table 49. Pin Assignments for the Monitor Connector

Pin

1

2

3

4

Signal Name

Red

Green

Blue

Monitor ID2 - not used

Ground

Red ground

Green ground

Blue ground

+

5 V, used by DDC2B

Ground

Monitor ID 0 - not used

DDC2B serial data

Horizontal sync.

Vertical sync.

DDC2B clock

O

O

I/O

NA

NA

I

I/O

NA

NA

NA

NA

I

O

O

I/O

O

Note: All inputs and outputs are with respect to the system board.

48

Technical Information Manual

I/O

NA

NA

NA

Appendix A. Connector Pin Assignments

Ethernet Connector

8 2

7 1

Figure 15. Ethernet Connector

The external interface for the Ethernet port is an 8-pin, RJ-45 connector.

5

6

7

8

1

2

3

4

Table 50. Pin Assignments for the Ethernet Connector

Pin Signal Name

TxD

+

TxD

RxD

+

Ground

Ground

RxD

Ground

Ground

I/O

I

NA

NA

NA

O

O

I

NA

Appendix A. Connector Pin Assignments

49

Appendix B. System Address Maps

Appendix B. System Address Maps

System Memory Map

Memory can be mapped differently if POST detects an error.

Table 51. System Memory Map (Fixed Address Ranges)

Address Range (Dec)

0–511 KB

512 KB–638 KB

639 KB

Address Range (Hex)

00000–7FFFF

80000–9FBFF

9FC00–9FFFF

640 KB–767 KB

768 KB–799 KB

800 KB–895 KB

896 KB–1 MB

1 MB–16 MB

16 MB–4095.872 MB

4095.872 MB–4096 (4 GB)

A0000–BFFF

C0000–C7FFF

C8000–DFFFF

E0000–FFFFF

100000–FFFFFF

1000000–FFFDFFFF

FFFE0000–FFFFFFFF

Size

512 KB

127 KB

1 KB

128 KB

32 KB

96 KB

128 KB

15 MB

4079.9 MB

128 KB

Description

Conventional

Extended conventional

Extended BIOS data (moveable by HIMEM, QEMM, 386MAX)

Matrox video RAM

Matrox video ROM BIOS

(shadowed)

PCI/ISA space – available to ISA adapter ROMs

System ROM BIOS (ISA bus, main memory shadowed)

PCI/ISA space

PCI space (positive decode)

System ROM BIOS (ISA bus)

Table 52. System Memory Map (Flexible Address Ranges)

Range Name

ROMBASE

MGABASE1

MGABASE2

Range Size

(Hex)

FFFF

3FFF

7FFFFF

Range Size

64 KB

16 KB

8 MB

Description

Matrox ROM address (ROMBASE to ROMBASE

+

FFFF)

Matrox MGA control aperture

Matrox direct frame buffer access aperture

MGABASE3 7FFFFF 8 MB Matrox 8 MB pseudo DMA window

50

 Copyright IBM Corp. 1997

Appendix B. System Address Maps

Input/Output Address Map

The following table lists resource assignments for the I/O address map. Any addresses that are not shown are reserved.

Table 53 (Page 1 of 2). Input/Output Address Map

Address (Hex)

0000–001F

0020–002D

0030–003F

002E–002F

Size (Dec)

32 bytes

30 bytes

2 bytes

Description

DMA 1

Interrupt controller 1

8 bytes

Super I/O controller system board Plug-and-Play index/data registers

(index=002E, data=002F)

Counter/timer 1

0080–008F

0090–009F

00A0–00B1

00B4–00BF

00B2

00B3

00C0–00DF

00E0–00EF

00F0

00F1–00FF

0170–0177

01F0–01F7

0220–0227

0278–027F

0290, 0295, 0296

02E8–02EF

02F8–02FF

0338–033F

0376–0377

0040–0043

0050–0053

0044–004F

0054–005F

0060

0061

0064

0062, 0063,

0065–006F

0070, bit 7 write only

0070, bits 6:0

0071

0072–0077

0078

007C

0080

24 bytes

1 byte

1 byte

1 byte

13 bytes

1 bit

8 bytes

8 bytes

8 bytes

3 bytes

8 bytes

8 bytes

8 bytes

2 bytes

1 byte

1 byte

32 bytes

16 bytes

1 byte

15 bytes

8 bytes

7 bits

1 byte

6 bytes

4 bytes

4 bytes

1 byte

16 bytes

16 bytes

30 bytes

General I/O locations—available to ISA bus

Keyboard controller, data byte (on ISA data bus)

System port B

Keyboard controller, command and status byte (on ISA data bus)

General I/O locations—available to ISA bus

Enable/disable NMI

Real-time clock, address (on ISA bus)

Real-time clock, data (on ISA bus)

General I/O locations—available to XD/ISA bus

General purpose I/O (GPIO)

General purpose I/O (GPIO)

POST checkpoint register during POST only

DMA page registers

General I/O locations—available to ISA bus

Interrupt controller 2

Advanced power management control

Advanced power management status

DMA 2

General I/O locations—availabe to ISA bus

Coprocessor error register

General I/O locations—available to ISA bus

IDE channel 1

IDE channel 0

COM3 or COM4

LPT3

System management chip

COM3 or COM4

COM2 (system board)

COM3 or COM4

IDE channel 1

Appendix B. System Address Maps

51

Appendix B. System Address Maps

Table 53 (Page 2 of 2). Input/Output Address Map

Address (Hex) Size (Dec) Description

0378–037F

03B4–03B7

03BA

03BC–03BE

03C0–03CF

03D4–03D7

03DA

03E8–03EF

03F0–03F5

03F6

03F7, bit 7

03F7, bits 6:0

03F8–03FF

04D0

04D1

0CF8–0CFB

0CF9

0CFC–0CFF

8 bytes

5 bytes

4 bytes

20 bytes

8 bytes

6 bytes

1 byte

1 bit

7 bits

8 bytes

1 byte

1 byte

4 bytes

1 byte

4 bytes

LPT2

Matrox MGA-1164SG 3D video

LPT1 (system board)

Matrox MGA-1164SG 3D video

COM3 or COM4

Floppy channel 0

IDE channel 0

Floppy disk change

IDE status channel 0

COM1 (system board)

Interrupt edge/level control 1

Interrupt edge/level control 2

PCI configuration address register

Reset control register

PCI configuration data register

52

Technical Information Manual

Appendix B. System Address Maps

DMA I/O Address Map

The following table lists resource assignments for the DMA address map. Any addresses that are not shown are reserved.

Table 54 (Page 1 of 2). DMA I/O Addresses

0009

000A

000B

000C

000D

000E

000F

0081

0082

0083

0087

Address (Hex)

0000

0001

0002

0003

0004

0005

0006

0007

0008

0089

008A

008B

008F

00C0

00C2

00C4

00C6

00C8

00CA

00CC

00CE

00D0

00D2

00D4

Description

Channel 0, Memory Address register

Channel 0, Transfer Count register

Channel 1, Memory Address register

Channel 1, Transfer Count register

Channel 2, Memory Address register

Channel 2, Transfer Count register

Channel 3, Memory Address register

Channel 3, Transfer Count register

Channels 0–3, Read Status/Write Command register

Channels 0–3, Write Request register

Channels 0–3, Write Single Mask register bits

Channels 0–3, Mode register (write)

Channels 0–3, Clear byte pointer (write)

Channels 0–3, Master clear (write)/temp (read)

Channels 0–3, Clear Mask register (write)

Channels 0–3, Write All Mask register bits

Channel 2, Page Table Address register 9

Channel 3, Page Table Address register 9

Channel 1, Page Table Address register 9

Channel 0, Page Table Address register 9

Channel 6, Page Table Address register 9

Channel 7, Page Table Address register 9

Channel 5, Page Table Address register 9

Channel 4, Page Table Address/Refresh register

Channel 4, Memory Address register

Channel 4, Transfer Count register

Channel 5, Memory Address register

Channel 5, Transfer Count register

Channel 6, Memory Address register

Channel 6, Transfer Count register

Channel 7, Memory Address register

Channel 7, Transfer Count register

Channels 4–7, Read Status/Write Command register

Channels 4–7, Write Request register

Channels 4–7, Write Single Mask register bit

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Byte Pointer

Yes

Yes

Yes

00–02

00–02

00–07

NA

00–07

00–03

00–03

00–07

00–07

00–07

00–07

Bits

00–15

00–15

00–15

00–15

00–15

00–15

00–15

00–15

00–07

00–07

00–07

00–07

00–07

00–15

00–15

00–15

00–15

00–15

00–15

00–15

00–15

00–07

00–02

00–02

9 Upper byte of memory address register.

Appendix B. System Address Maps

53

Appendix B. System Address Maps

Table 54 (Page 2 of 2). DMA I/O Addresses

Address (Hex) Description

00D6

00D8

00DA

00DC

00DE

00DF

Channels 4–7, Mode register (write)

Channels 4–7, Clear byte pointer (write)

Channels 4–7, Master clear (write)/temp (read)

Channels 4–7, Clear Mask register (write)

Channels 4–7, Write All Mask register bits

Channels 5–7, 8- or 16-bit mode select

Bits

00–07

NA

00–07

00–03

00–03

00–07

Byte Pointer

54

Technical Information Manual

Appendix C. IRQ and DMA Channel Assignments

Appendix C. IRQ and DMA Channel Assignments

The following tables list the IRQ (interrupt request) and DMA (direct memory access) channel assignments for PC 300PL computers.

Table 55. IRQ Channel Assignments

IRQ

NMI

System Resource

Critical system error

13

14

15

9

10

11

12

5

6

3

4

7

8

1

2

SMI

0

System management interrupt – power management

Reserved, internal timer

Reserved, keyboard buffer full

Reserved, cascade interrupt from slave PIC

Serial port 2 if enabled; otherwise, user available for ISA or PCI bus

Serial port 1 if enabled; otherwise, user available for ISA bus

Parallel port 2 if enabled; otherwise, user available for ISA or PCI bus

Diskette drive controller

Parallel port 1 if enabled; otherwise, user available for ISA bus

Reserved, real-time clock

User available for ISA or PCI bus

User available for ISA or PCI bus

User available for ISA or PCI bus

System board mouse port if enabled; otherwise, user available for ISA or PCI bus

Reserved, math coprocessor

IDE channel 1 if enabled; otherwise user available for ISA or PCI bus

IDE channel 2 if enabled; otherwise user available for ISA or PCI bus

Note: Audio IRQ and DMA resources are required and are assigned by the Plug and Play BIOS or operating system.

6

7

4

5

2

3

0

1

Table 56. DMA Channel Assignments

DMA Channel Data Width System Resource

8 bits only

8 bits only

8 bits only

8 bits only

16 bits only

16 bits only

16 bits only

User available for ISA bus

User available for ISA bus

Reserved, floppy

Parallel port if ECP; otherwise user available for ISA bus

Reserved–cascade channel

User available for ISA bus

User available for ISA bus

User available for ISA bus

Note: Channels 0–3 can transfer data in 64 KB pages; channels 5–7 can transfer data in 128 KB pages.

 Copyright IBM Corp. 1997

55

Appendix D. Error Codes

Appendix D. Error Codes

The following tables list the POST error codes and beep error codes for the PC 300PL (Type 6562) and

PC 300PL (Type 6592).

POST Error Codes

POST error messages appear when POST finds problems with the hardware during power-on or when a change in the hardware configuration is found. POST error messages are 3-, 4-, 5-, 8-, or 12-character alphanumeric messages. An x in an error message can represent any number.

Table 57 (Page 1 of 2). POST Error Codes

Code

101

Description

Interrupt failure

120

121

151

161

113

114

115

116

162

163

164

106

108

109

110

102

103

104

105

111

112

178

183

184

185

167

175

176

177

186

189

Timer failure

Timer-interrupt failure

Protected mode failure

Last 8042 command not accepted – keyboard failure

System board failure

Timer bus failure

Low MB chip select test

System board parity error 1 (system board parity latch set)

I/O parity error 2 (I/O channel check latch set)

I/O channel check error

I/O channel check error

External ROM checksum error

DMA error

System board port read/write error

Microprocessor test error

Hardware error

Real time clock failure

Bad CMOS Battery

CMOS RAM checksum/configuration error

Clock not updating

CMOS RAM memory size does not match

Clock not updating

Riser card or system board error

System cover has been removed

Corrupted administrator password

Riser card or system board error

Administrator password has been set and must be entered

Password removed due to checksum error

Corrupted boot sequence

System board or hardware security error

More than three password attempts were made to access system

56

Technical Information Manual

Appendix D. Error Codes

Table 57 (Page 2 of 2). POST Error Codes

Code Description

1782

1783

1800

1801

1802

1803

1804

1805

1962

2401

8601

8602

8603

12092

12094

I9990301

I9990305

601

602

604

605

662

762

11xx

1762

1780

1781

225

301

302

303

201

202

203

221

304

305

Memory data error

Memory address line error 00-15

Memory address line error 16-23

ROM to RAM remapping error

Unsupported memory type installed or memory pair mismatch

Keyboard error

Keyboard error

Keyboard to system board interface error

Keyboard clock high

No keyboard + 5 V dc

Diskette drive or controller error

Diskette IPL boot record not valid

Unsupported diskette drive installed

POST cannot unlock diskette drive

Diskette drive configuration error

Math coprocessor configuration error

Serial port error (xx = serial port number)

Hard disk configuration error

Hard disk 0 failed

Hard disk 1 failed

Hard disk 2 failed

Hard disk 3 failed

PCI adapter has requested an unavailable hardware interrupt

PCI adapter has requested an unavailable memory resource

PCI adapter has requested an unavailable I/O address space, or the adapter is defective

PCI adapter has requested an unavailable memory address space, or the adapter is defective

PCI adapter has requested unavailable memory addresses

PCI adapter ROM error

Boot sequence error

System board video error

System board - keyboard/pointing device error

Pointing device error

Pointing device or system board error

Level 1 cache error (Processor chip)

Level 2 cache error

Hard disk failure

No operating system found

Appendix D. Error Codes

57

Appendix D. Error Codes

Beep Codes

For the following beep codes, the numbers indicate the sequence and number of beeps. For example, a

“2-3-2” error symptom (a burst of two beeps, three beeps, then two beeps) indicates a memory module problem. An x in an error message can represent any number.

Table 58. Beep Codes

Beep Code Probable Cause

1-1-3

1-1-4

1-2-1

1-2-2

1-2-3

1-2-4

1-3-1

1-3-2

2-1-1

2-1-2

2-1-3

2-1-4

2-2-2

2-3-2

2-3-3

3-1-1

3-1-2

3-1-4

3-2-4

3-3-1

CMOS write/read failure

BIOS ROM checksum failure

Programmable interval timer test failure

DMA initialization failure

DMA page register write/read test failure

RAM refresh verification failure

1st 64 K RAM test failure

1st 64 K RAM parity test failure

Slave DMA register test in progress or failure

Master DMA register test in progress or failure

Master interrupt mask register test failure

Slave interrupt mask register test failure

Keyboard controller test failure

Screen memory test in progress or failure

Screen retrace tests in progress or failure

Timer tick interrupt test failure

Interval timer channel 2 test failure

Time-of-Day clock test failure

Comparing CMOS memory size against actual

Memory size mismatch occurred

58

Technical Information Manual

Appendix E. Notices and Trademarks

Appendix E. Notices and Trademarks

References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used.

Subject to IBM’s valid intellectual property or other legally protectable rights, any functionally equivalent product, program, or service may be used instead of the IBM product, program, or service. The evaluation and verification of operation in conjunction with other products, except those expressly designated by IBM, are the responsibility of the user.

IBM may have patents or pending patent applications covering subject matter in this document. The furnishing of this document does not give you any license to these patents. You can send license inquiries, in writing, to:

IBM Director of Licensing

IBM Corporation

500 Columbus Avenue

Thornwood, NY 10594

U.S.A.

The following terms are trademarks of the IBM Corporation in the United States or other countries or both:

AT

OS/2

Wake on LAN

IBM

Personal Computer AT

XT

IntelliStation

SurePath

Intel, MMX, and Pentium are trademarks or registered trademarks of Intel Corporation.

Microsoft, Windows, and Windows NT are trademarks or registered trademarks of Microsoft Corporation.

Other company, product, and service names may be trademarks or service marks of others.

 Copyright IBM Corp. 1997

59

References

General Sources

Advanced Power Management (APM) BIOS Interface

Specification 1.2

Source: Intel Corporation

AT Attachment Interface with Extensions

Source: American National Standard of Accredited

Standards Committee

Extended Capabilities Port: Specification Kit

Source: Microsoft Corporation

Intel Microprocessor and Peripheral Component

Literature

Source: Intel Corporation

PCI BIOS Specification 2.1

Source: PCI Special Interest Group

PCI Local Bus Specification 2.1

Source: PCI Special Interest Group

Plug and Play BIOS Specification, Errata and

Clarifications

Source: Microsoft Corporation

World Wide Web Sources

82439HX PCI and Memory Controller (TXC)

Source: Intel Corporation; available at http://www.intel.com/design/pcisets/datashts

82371SB PCI ISA IDE Xcelerator (PIIX3)

Source: Intel Corporation; available at http://www.intel.com/design/pcisets/datashts

Plug and Play BIOS Specification 1.1

Source: Microsoft Corporation; available at http://www.microsoft.com/hwdev

Universal Serial Bus Specifications

Source: http://www.teleport.com/˜usb

Video Electronics Standards Association 1.2

Source: http://www.vesa.org

60

 Copyright IBM Corp. 1997

Index

A

adapters

SCSI 25 supported 25 video 17

Wake on LAN 22, 25 address map

DMA 53

I/O 51 system memory 50 advanced power management 4 altitude 31

APM 4 audio features 15 jacks 15

B

battery 14 beep codes 58

BIOS bypassing 35 data areas 50 features 3 bus updates 4

IDE 9

ISA 8, 20

PCI 8, 20 universal serial bus 10 bus master interface 9

C

cables 31 cache, L2 7

CD-ROM drive 26 chip set control 6 clock, real-time 14

CMOS RAM 14

CMOS-clear jumper 14, 23 compatibility hardware 33 software 35 configuration/setup utility program 4 connectors audio 15

DIMM 7 diskette drive 11, 42

Ethernet 18, 49

IDE 9, 41

 Copyright IBM Corp. 1997 connectors (continued) infrared 13, 47

ISA 37 keyboard/mouse 13, 48 memory 7 monitor 16, 48 parallel port 12, 46

PCI 39 power supply 30 riser card 20 serial ports 12, 47 system board 24 system memory (DIMM) 43

USB 10, 46 video 16, 48 controller, super input/output 11 copy protection 35 current, electrical 32

D

depth, system unit 31

Desktop Management Interface (DMI) 19 device drivers for built-in features 5 operating system 5 video 17 diagnostic programs 5

DIMM connectors 7 diskette drive change signal 35 characteristics 26, 35 compatibility 35 connector 42 controller 35 interface 11 write current 35 write protect switch 23

DMA channel assignments 55

I/O address map 53

DRAM (dynamic random access memory) 7 drives, internal 26 dual inline memory modules (DIMMs) 7

E

electrical input 32 electromagnetic compatibility 31 environment, operating 31 error codes, POST 56

Index

61

Index

Ethernet enable/disable switch 22 features 18 port 18, 49 expansion 20

F

fault, overvoltage 30 features hardware 1 operating system support 5 software 3 flash update 4 floppy devices 11, 26, 35 frequency, input power 27, 32

G

GPIO ports 14

H

hard disk drive characteristics 26 compatibility 35

IDE interface 9 reading/writing 35 hardware compatibility 33 features 1 interrupts 34 heat output 32 height, system unit 31 humidity 31

I

IDE connectors 41 hard disk drive 26 interface 9 information, related ix infrared port 13, 47 input/output (I/O) address map 51 controller 11 system 8 internal drives 26 interrupts hardware 34 software 35

IRQ (interrupt request) assignments 55

ISA bus 8, 20 connectors 20, 37

62

Technical Information Manual

J

jumper, system board 23

K

keyboard cable 31 port 13, 48

L

L2 cache 7 level-sensitive interrupts 34

M

machine-sensitive programs 36 measurements, system unit 31 mechanical specifications 31 memory connectors 43

DIMMs 7

L2 cache 7 map, system 50

RAM 50 system 7 video 16 messages, POST error 56 microprocessor features 6 socket 6 switch settings 22 modes, power management 4 monitor port 16, 48 mouse port 13, 48 multimedia upgrade 17

O

operating system support 5 overvoltage fault 30

P

parallel port 12, 46 password enable/disable switch 22

PCI bus 8, 20 connectors 20, 39

PCI-to-ISA bridge 8 physical specifications 31 pin assignments diskette drive connector 42

Ethernet connector 49

IDE connectors 41 infrared connector 47

pin assignments (continued)

ISA connectors 37 keyboard/mouse connectors 48 monitor connector 48 parallel port connector 46

PCI connectors 39 serial port connectors 47 system memory (DIMM) 43

USB connectors 46 video connector 48

Plug and Play 3 polling mechanism 35 ports audio 15

Ethernet 18, 49

GPIO 14 infrared 13, 47 keyboard/mouse 13, 48 monitor 16, 48 parallel 12, 46 serial 12, 47

USB 10, 46 video 16, 48

POST description 4 error codes 56 power advanced power management 4 cable 31 input 28 output capacity 28 output protection 30 specifications 32 supply 27 power management 8 protection, power supply 30 publications, related ix

Q

QAPlus/PRO for DOS 5

QAPlus/WIN for IBM 5

R

RAM (random access memory) 50 random access memory (RAM) 50 real-time clock 14 references 60 related information ix reserved areas viii riser card 20

S

SCSI adapters 25 cable 31 hard disk drive 26 serial ports 12, 47 short circuit 30 size, system unit 31 socket, microprocessor 6 software compatibility 35 features 3 interrupts 35 operating system support 5 system 3 specifications, physical 31 switches, system board 22 system board features 6 jumper 23 layout 24 switches 22 system management controller 19 system resource assignments audio 15 diskette interface 11

Ethernet 18

IDE interface 9 keyboard/mouse 13 parallel port 12 real-time clock 14 serial ports 12 system management controller 19 video 16

T

temperature 31

U

universal serial bus (USB) ports 10, 46 technology 10 updates, BIOS 4

V

video adapters 17 device drivers 17 features 16 memory 16 port 16, 48 upgrades 17

Index

Index

63

Index

voltage input power 28 output power 28

W

Wake on LAN adapters 22, 25 controller 18 warning, reserved areas viii weight, system unit 31 width, system unit 31 write current, diskette 35 write-protect switch, diskette drive 23

64

Technical Information Manual

IBM

Part Number: xxxxxxx

Printed in U.S.A.

XXXXXXX

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