Advanced/ATX Baseboards
Advanced/ATX
Baseboards
Technical Product Summary
Version 1.2
January, 1996
Order Number
®
Advanced/ATX Technical Product Summary •Page 2
Advanced/ATX Technical Product Summary
Table of Contents
Introduction ......................................................................................................................................4
ATX Form Factor .............................................................................................................................5
Board Level Features........................................................................................................................6
Processor
Processor Upgrade
Second Level Cache
System Memory
Expansion Slots
Peripheral Component Interconnect (PCI) chip set
National Semiconductor PC87306B I/O Controller
Graphics Subsystem
Crystal Audio Subsystem
Baseboard BIOS
Front Panel Connections
Back Panel Connections
Audio Connections
Baseboard Connections
Power Consumption
Appendix A − User-Installable Upgrades.......................................................................................18
Appendix B − Jumpers ...................................................................................................................19
Appendix C − Memory Map ..........................................................................................................21
Appendix D − I/O Map...................................................................................................................21
Appendix E − PCI Configuration Space Map ...............................................................................23
Appendix F − Interrupts & DMA Channels..................................................................................24
Appendix G − Connectors ..............................................................................................................25
Appendix H − BIOS Setup .............................................................................................................30
Appendix I − PCI Configuration Error Messages .........................................................................41
Appendix J − AMIBIOS Error messages and Beep Codes ...........................................................42
Appendix K − BIOS Updates .........................................................................................................43
Appendix L − Soft-off Control .......................................................................................................44
Appendix M − Environmental Standards......................................................................................44
Appendix N − Reliability Data .......................................................................................................44
Intel Corporation disclaims all warranties and liabilities for the use of this document and the information contained herein, and assumes no
responsibility for any errors which may appear in this document. Intel makes no commitment to update the information contained herein, and may
make changes at any time without notice. There are no express or implied licenses granted here under to any intellectual property rights of Intel
Corporation or others to design or fabricate Intel integrated circuits or integrated circuits based on the information in this document.
Contact your local sales office to obtain the latest specifications before placing your order.
*Other product and corporate names may be trademarks or registered trademarks of other companies, and are used only for explanation and to the
owners’benefit, without intent to infringe.
 INTEL CORPORATION, 1995
Advanced/ATX Technical Product Summary •Page 3
Introduction
The Advanced/ATX baseboard integrates the latest advances in processor, memory, and I/O technologies into a new form
factor named ATX. The ATX form factor combines performance, flexibility, and ease of use into a highly integrated
baseboard capable of meeting a variety of price/performance levels. The ATX baseboard is an ideal platform for the
increasing requirements of today's and tomorrow's desktop applications.
The flexible ATX design will accept Pentium processors operating at 75 MHz, 90 MHz, 100 MHz, 120 MHz, 133 MHz,
and future speeds. There is a manufacturing option for having 256 KB of Pipeline Burst SRAM soldered onto the
baseboard. The memory subsystem is designed to support up to 128 MB of EDO DRAM (for improved performance) or
standard Fast Page DRAM in standard 72-pin SIMM sockets. A Type 7 Pentium OverDrive socket provides upgrades to
future OverDrive processors.
The Advanced/ATX baseboard utilizes Intel's 82430FX PCISet to provide increased integration and performance over
other baseboard designs. The 82430FX PCIset contains an integrated PCI Bus Mastering IDE controller with two high
performance IDE interfaces for up to four IDE devices (such as hard drives, CD-ROM readers, and so forth). The
National PC87306B I/O controller integrates the standard PC I/O functions: floppy interface, two FIFO serial ports, one
EPP/ECP capable parallel port, a Real Time Clock, keyboard controller, and support for an IrDA compatible infrared
interface. To provide for the increasing number of multimedia applications, a Crystal CS4232 audio codec is integrated
onto the baseboard. The CS4232 provides 16-bit stereo, Sound Blaster Pro* compatible audio with full-duplex capabilities
to meet the demands of today’s and tomorrow’s multimedia applications. Up to four PCI local bus slots provide a high
bandwidth data path for data-movement intensive functions such as video or networking, and up to three ISA slots
complete the I/O mix. A total of six expansion slots may be populated with full length add-in cards (one PCI and ISA slot
share the same chassis I/O panel).
In addition to superior hardware capabilities, a full set of software drivers and utilities are available to allow advanced
operating systems such as Windows* 95 to take full advantage of the hardware capabilities. Features such as bus
mastering IDE, Windows 95-ready Plug and Play, Advanced Power Management (APM) with application restart,
software-controlled power supply shutdown, and glitchless bi-directional audio are all provided by software available for
the Advanced/ATX.
Advanced/ATX Technical Product Summary •Page 4
ATX Form Factor
The ATX form factor has been defined to address four major areas of improvement required of today’s predominant form
factors, Baby-AT and LPX:
1) Enhance PC ease-of-use
2) Better support for current and future I/O
3) Reduce total system cost
4) Better support for future processor technology
ATX is an evolution of the popular Baby-AT form factor. By mounting the typical Baby-AT power supply on its side, it is
possible to rotate the baseboard through 90 degrees in the chassis. The processor is relocated away from the expansion
slots and the longer side of the board is used to host more on-board I/O connectors. Placing more I/O down on the
baseboard reduces cabling inside the box, lowering cost and improving reliability and ease-of-use. A flexible I/O panel
allows ATX to support all current and future I/O requirements. The ATX power supply, rather than blowing air out of the
chassis as in most Baby AT platforms, blows air into the chassis and over the processor, saving the cost of a secondary
fan in the system. System cost is further reduced by the higher integration of PC components onto the baseboard itself,
saving material, inventory holding and assembly costs.
Parallel
Socket 7
VGA
7
1
Kbd
Serial
Mse
2
R
3
Power
Supply
6
4
Double-high expandable I/O
Ë
One chassis fan
Ì
Processor located near power supply
Í
One power connector
Î Connectors close to peripheral bays
5
3½”
Bay
Ê
5 ¼”
Bay
Ï
Easy to access system memory
Ð
Six full-length slots
Figure 1: Summary of ATX features
The Advanced/ATX baseboard is designed to fit
into an ATX form factor chassis. All board dimensions and mounting hole locations are part of the ATX Baseboard
Specification, which is available from your Intel sales representative, the Intel Applications Support BBS, or via the
World Wide Web at http://www.intel.com/pc-supp/motherbd/atx.html
Advanced/ATX Technical Product Summary •Page 5
Board Level Features
A B C
D
E
F
G H
DD
I
CC
J
K
L
M
N
BB
AA
Z
O
Y X
W V
U T
S
A − Telephony input connector
B − Wave table upgrade connector
C − CD-ROM audio connector
D − 256kB Pipe Line Burst L2 cache option
E − Audio, Game port connectors
F − Parallel, VGA connectors
G − PS/2 Mouse and keyboard connectors
H − Serial port connectors
I − Socket 7 Pentium™ Processor socket
J− VRM socket location (optional)
K − 82437FX System Controller (TSC)
L − Primary Power Connector
M − 82438FX Data Path (TDP)
N − Four SIMM sockets (two banks)
O − CPU 3.3v voltage regulator
R Q
P
P − Two PCI IDE interfaces
Q − Voltage regulator jumper
R − Floppy connector
S − Front Panel I/O connectors
T− Video Feature connector
U − S3 Trio PCI graphics controller
V − Up to 2MB graphics memory
W − Configuration jumper block
X − National PC87306 I/O controller
Y − Auxiliary Fan connector
Z − Battery for the Real-time clock
AA − 82371FB PCI ISA/IDE Accelerator (PIIX)
BB − Up to 4 PCI full length expansion slots
CC − Up to 3 ISA full length expansion slots
DD − Crystal CS4232 audio, OPL3 synthesizer
Figure 2 - Advanced/ATX ATX Baseboard Features
CPU
The Advanced/ATX baseboard is designed to operate with 3.3 volt Pentium Processors. A patented on-board voltage
regulator circuit provides the required voltage for the processor from the 5 volt output of a standard PC power supply.
An on-board jumper enables use of VRE specified processors. Pentium processors which run internally at 75MHz,
90MHz, 100MHz, 120MHz, and 133 MHz, and have iCOMP ratings of 615, 735, 815, 1000, and 1110 respectively are
supported.
The Pentium processor maintains full backward compatibility with the 8086, 80286, i386 and Intel486 processors.
It supports both read and write burst mode bus cycles, and includes separate 8 KB on-chip code and data caches which
employ a write-back policy. Also integrated into the Pentium processor is an advanced numeric coprocessor which
significantly increases the speed of floating point operations, while maintaining backward compatibility with i486DX
math coprocessor and complying to ANSI/IEEE standard 754-1985.
Advanced/ATX Technical Product Summary •Page 6
PROCESSOR UPGRADE
The Advanced/ATX baseboard has a 321-pin Zero Insertion Force (ZIF) processor socket (socket 7) that provides users
with an OverDrive processor upgrade path. OverDrive processors being developed for use with socket 7 will provide
performance beyond that delivered by the originally installed Pentium Processor.
SECOND LEVEL CACHE
The Pentium processor's internal cache can be complemented by a second level cache using high-performance Pipeline
Burst SRAM. Pipeline Burst (PB) SRAM provides performance similar to expensive Synchronous Burst SRAMs for
only a slight cost premium over slower performing Asynchronous SRAMs. With the 82430FX chip set, the
performance level of PB and Synchronous SRAMs is identical.
Standard configuration for the Advanced/ATX baseboards is an integrated 256 KB direct mapped write-back second
level cache implemented with two 32k x 32 Pipeline Burst SRAM devices. A 5v 8Kb x 8 external Tag SRAM provides
caching support for up to 64 MB of system memory.
SYSTEM MEMORY
The Advanced/ATX baseboard provides four 72-pin SIMM sites for memory expansion. The sockets support 1M x 32
(4 MB), 2M x 32 (8 MB), 4M x 32 (16 MB), and 8M x 32 (32 MB) single-sided or double-sided SIMM modules.
Minimum memory size is 8 MB and maximum memory size, using four 8M x 32 SIMM modules, is 128 MB. Memory
timing requires 70 ns fast page devices or, for optimum performance, 60nS EDO DRAM. If the memory bus speed is 60
Mhz or slower (75MHz, 90MHz, or 120MHz Pentium Processor speed), 70ns EDO DRAM may be used. 36-bit SIMM
modules may be used, but parity generation and checking is not supported.
The four sockets are arranged as Bank A and Bank B, with each bank consisting of two sockets and providing a 64-bit
wide data path. Both SIMMs in a bank must be of the same memory size and type, although the memory type and size
may be different between Banks A and B. It is even possible to have 70 nS Fast Page DRAM in one bank and 60 nS
EDO DRAM in the other, in which case each bank is independently optimized for maximum performance. Bank A
only, Bank B only, or both banks may be populated. There are no jumper settings required for the memory size or type,
which is automatically detected by the system BIOS. Tin lead SIMMs are required to be used when adding DRAM.
EDO DRAM
Extended Data Out (or Hyper Page) DRAM is designed to improve the DRAM read performance. EDO DRAM holds
the memory data valid until the next CAS# falling edge, unlike standard fast page mode DRAM which tri-states the
memory data when CAS# negates to pre-charge for the next cycle. With EDO, the CAS# pre-charge overlaps the
data valid time, allowing CAS# to negate earlier while still satisfying the memory data valid window time.
EXPANSION SLOTS
The ATX form-factor allows all six expansion slots on the Advanced/ATX baseboard to be populated with full-length
add-in cards. There are three ISA bus expansion connectors and four PCI expansion connectors. One slot is shared by
connectors that will accommodate either an ISA or a PCI expansion card, but not both; thus accounting for the
disparity between the number of slots and connectors. All four PCI expansion slots accept PCI bus master cards, and
fully support the PCI specification version 2.0.
PCI 3.3 VOLT CAPABILITIES
Support for 3.3 Volts to the PCI connectors requires a power supply with a 3.3V DC output. The ATX power
connector definition has 3 pins reserved for 3.3V. The on-board voltage regulator only provides 3.3V to the CPU,
82430FX chipset, and cache. No other on-board resources requires 3.3V.
Advanced/ATX Technical Product Summary •Page 7
PERIPHERAL COMPONENT INTERCONNECT (PCI) PCISET
The Intel 82430FX PCIset consists of the 82437FX System Controller (TSC), two 82438FX Data Path (TDP)
devices, and one 82371FB PCI ISA/IDE Accelerator (PIIX) bridge chip. Detailed information on the PCIset is
available in the Intel 82430FX PCISet data sheet. The 82430FX PCIset provides the following functions:
• CPU interface control
• Integrated L2 write-back cache controller
– Pipeline Burst SRAM
– 256kB or 512kB Direct Mapped
• Integrated DRAM controller
– 64-bit path to Memory
– Support for EDO and Fast Page DRAM
– 8 MB to 128 MB main memory
• Fully synchronous PCI bus interface
– 25/30/33 Mhz
– PCI to DRAM > 100 Mbytes/sec
– PCI to DRAM posting of 12 Dwords
– 5 Dword buffers for CPU to PCI write posting
– 4 Dword buffers for PCI to Memory bus
master cycles
– Support for up to 5 PCI masters
• Interface between the PCI bus and ISA bus
• Integrated fast IDE interface
– Support for up to 4 devices
– PIO Mode 4 transfers up to 16MB/sec
– Integrated 8 x 32-bit buffer for PCI IDE
burst transfers
• Plug-n-Play port Audio I/O
– 2 steerable fast DMA channels with 4-byte
buffer
– Up to 6 steerable interrupts
– 1 programmable chip select
• Enhanced Fast DMA controller
• Interrupt controller and steering
• Counters/Timers
• SMI interrupt logic and timer with Fast On/Off mode
Note: Not all chip set functions are utilized in the design of the Advanced/ATX.
82437FX SYSTEM CONTROLLER (TSC)
The 82437FX provides all control signals necessary to drive a second level cache and the DRAM array, including
multiplexed address signals. It also controls system access to memory and generates snoop controls to maintain cache
coherency. The TSC comes in a 208 pin QFP package.
82438FX DATA PATH (TDP)
There are two 82438FX components which provide data bus buffering and dual port buffering to the memory array.
Controlled by the 82437FX, the 82438FX devices add one load each to the PCI bus and perform all the necessary
byte and word swapping required. Memory and I/O write buffers are included in these devices. The TDP devices are
100 pin QFP packages.
82371FB PCI ISA/IDE ACCELERATOR (PIIX)
The 82371FB provides the interface between the PCI and ISA buses and integrates a dual channel fast IDE interface
capable of supporting up to 4 devices. The 82371FB integrates seven 32-bit DMA channels, three 16-bit
timer/counters, two eight-channel interrupt controllers, PCI-to-AT interrupt mapping circuitry, NMI logic, ISA
refresh address generation, and PCI/ISA bus arbitration circuitry together onto the same device. The PIIX comes in a
208 pin QFP package.
IDE SUPPORT
The Advanced/ATX baseboard provides two independent high performance bus-mastering PCI IDE interfaces
capable of supporting PIO Mode 3 and Mode 4 devices. The system BIOS supports Logical Block Addressing (LBA)
and Extended Cylinder Sector Head (ECHS) translation modes as well as AT API (e.g. CD-ROM) devices on both
IDE interfaces. Detection of IDE device transfer rate and translation mode capability is automatically determined by
the system BIOS.
In the Windows 95 environment, a driver can allow the IDE interface to operate as a PCI bus master capable of
supporting PIO Mode 4 devices with transfer rates up to 16MB/sec while minimizing the system demands upon the
processor. Normally, programmed I/O operations require a substantial amount of CPU bandwidth. In true multitasking operating systems like Windows 95, the CPU bandwidth freed up by using bus mastering IDE can be used to
Advanced/EV Technical Product Summary •Page 8
complete other tasks while disk transfers are occurring. Microsoft will provide this driver for Windows 95, other
software vendors may make drivers available for other operating systems.
NATIONAL SEMICONDUCTOR PC87306B I/O CONTROLLER
Control for the integrated serial ports, parallel port, floppy drive, RTC and keyboard controller is incorporated into a
single component, the National Semiconductor PC87306B. This component provides:
•Two NS16C550-compatible UARTs with send/receive 16 byte FIFO
- Support for an IrDA compliant Infra Red interface
•Multi-mode bi-directional parallel port
- Standard mode; IBM and Centronics compatible
- Enhanced Parallel Port (EPP) with BIOS/Driver support
- High Speed mode; Extended Capabilities Port (ECP) compatible
•Industry standard floppy controller with 16 byte data FIFO (2.88 MB floppy support)
•Integrated Real Time Clock accurate within +/- 13 minutes/yr
•Integrated 8042 compatible keyboard controller
The PC87306 is normally configured automatically by the BIOS, but configuration of these interfaces is also possible
using the CMOS Setup utility that can be invoked during boot. See the BIOS Setup appendix for details on the specific
settings.
FLOPPY CONTROLLER
The PC87306B is software compatible with the DP8473 and 82077 floppy disk controllers. The floppy interface can
be configured for 360 KB or 1.2 MB 5¼” media or for 720 KB, 1.44/1.25 MB, or 2.88 MB 3½” media. Configuring
the floppy interface for 1.25 MB 3 ½” (3-mode floppy) requires the use of special floppy drives and a driver for the
specific operating system.
KEYBOARD INTERFACE
PS/2 keyboard/mouse connectors are located on the back panel side of the baseboard. The 5V lines to these
connectors are protected with a PolySwitch* circuit which acts much like a self-healing fuse, re-establishing the
connection after an over-current condition is removed. While this device eliminates the possibility of having to
replace a fuse, care should be taken to turn off the system power before installing or removing a keyboard or mouse.
The system BIOS can detect, and correct keyboards and mice plugged into the wrong PS/2 style connector.
The integrated 8042 microcontroller contains the AMI Megakey keyboard/mouse controller code, which besides
providing traditional keyboard and mouse control functions, also supports Power-On/Reset (POR) password
protection. The POR password can be defined by the user via the Setup program. The keyboard controller also
provides for the following "hot key" sequences:
•<CTRL><ALT><DEL>: System software reset. This sequence performs a software reset of the system by
jumping to the beginning of the BIOS code and running the POST operation.
•<CTRL><ALT><+> and <CTRL><ALT><->: Turbo mode selection. <CTRL><ALT><-> sets the system for
de-turbo mode, emulating an 25 MHz AT, and <CTRL><ALT><+> sets the system for turbo mode. Changing
the Turbo mode may be prohibited by an operating system, or when the CPU is in Protected mode or virtual x86
mode under DOS.
•<CTRL><ALT><defined in setup>: A power down hot-key sequence takes advantage of the SMM features of
the Pentium Processor to greatly reduce the system’s power consumption while maintaining the responsiveness
necessary to service external interrupts. A security hot-key sequence provides password protection to the system.
Advanced/ATX Technical Product Summary •Page 9
REAL TIME CLOCK, CMOS RAM AND BATTERY
The integrated Real Time Clock (RTC) is DS1287 and MC146818 compatible and provides a time of day clock, 100year calendar with alarm features. The RTC can be set via the BIOS SETUP program. The RTC also supports
242-byte battery-backed CMOS RAM in two banks which is reserved for BIOS use. The CMOS RAM can be set to
specific values or cleared to the system default values using the BIOS SETUP program. Also, the CMOS RAM values
can be cleared to the system defaults by using a configuration jumper on the baseboard. Appendix B lists jumper
configurations.
An external coin-cell style battery provides power to the RTC and CMOS memory. The battery has an estimated
lifetime of three years if the system is not plugged into the wall socket. When the system is plugged in, power is
supplied from the ATX power supply’s 5v standby current to extend the life of the battery. See Appendix A for
information regarding replacement batteries.
IRDA (INFRA-RED) SUPPORT
A 5-pin interface on the front panel I/O connector is provided to allow connection to a Hewlett Packard HSDSL-1000
compatible Infra-red (IrDA) transmitter/receiver. Once the module is connected to the front panel I/O header, Serial
port 2 can be re-directed to the IrDA module. When configured for IrDA, the user can transfer files to or from
portable devices such as laptops, PDA’s and printers using application software such as LapLink. The IrDA
specification provides for data transfers at 115kbps from a distance of 1 meter.
GRAPHICS SUBSYSTEM
The Advanced/ATX baseboard is available with an S3 Trio64V+ SVGA graphics controller with 1 MB of graphics
memory upgradeable to 2 MB. The graphics DRAM can be upgraded to 2 MB by installing two 256kB x 16, SOJ
memory devices in the provided sockets. The Trio64V+ has a 64-bit graphics engine and incorporates the S3 Streams
Processor™ that enables the device to convert YUV formatted video data to RGB and provides acceleration for scaling
the video display without compromising picture quality or frame rate. The on-chip RAMDAC/clock synthesizer is
capable of output pixel data rates of 135 Mhz providing non-interlaced screen resolutions of up to 1280x1024x256
colors at 75 Hz with 2MB of DRAM. Hardware acceleration for graphics functions such as BitBLTs with ROPs, 2-point
line draws, trapezoidal and polygon fills, clipping and cursor support provide high performance operation under
Windows and other GUI environments. In addition, a fast linear addressing scheme based upon DCI reduces software
overhead by mapping the display memory into the CPU’s upper memory address space and permitting direct CPU
access to the display memory.
The Advanced/ATX baseboard supports the 26-pin VESA feature connector for synchronizing graphics output with an
external NTSC or PAL signal and a shared frame buffer interface to maximize multimedia performance. Boards
configured with the Trio64V+ will have a 34 pin feature connector that supports the VESA requirements as well as the
LPB (Local Peripheral Bus) that provides a glueless bi-directional interface to a video companion device such as an
MPEG/live video decoder. Advanced/ATX also supports other VESA standards such as the VESA DPMS protocol to
put a DPMS compliant monitor into power savings modes and the VESA Display Data Channel (DDC2B) that permits
transfer of monitor identification and resolution support data for ease of use.
RESOLUTIONS SUPPORTED
Resolution
1 MB DRAM
2 MB DRAM
Refresh Rate (Hz)
640x480x4
640x480x8
640x480x16
640x480x24
800x600x8
800x600x16
800x600x24
1024x768x8
1024x768x16
1280x1024x4
1280x1024x8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
60,72,75,85
60,72,75
60,72,75
56,60,72,75,85
60,72,75
60,72,75
43(IL),60,70,75,85
43(IL),60,70,75
45(IL),60,72,75
45(IL),60,72,75
X
X
X
X
Table 1: Graphics Resolutions
Advanced/ATX Technical Product Summary •Page 10
GRAPHICS DRIVERS AND UTILITIES
Graphics drivers and utilities for Windows 3.11, Windows 95, Windows NT 3.51, and OS/2 are available. These
drivers come in a compressed form and are extracted by using an installation utility. Also included is a Windows
3.1x control panel applet called Galileo which allows the user to change the screen resolution, number of colors, and
large or small fonts while in Windows. Updates for the video drivers may be downloaded from the Intel Applications
Support BBS. Drivers for SCO UNIX are available from SCO.
CRYSTAL AUDIO SUBSYSTEM
The Advanced/ATX baseboard features a 16-bit stereo audio sub-system as a factory installed option. The audio
subsystem is based upon the Crystal CS4232 multimedia Codec and Yamaha OPL3 FM synthesizer. The CS4232
provides all the digital audio and analog mixing functions required for recording and playing of audio on personal
computers. These functions include stereo analog-to-digital and digital-to-analog converters, analog mixing, antialiasing and reconstruction filters, line and microphone level inputs, and digital audio compression via selectable Alaw/µlaw, and full digital control of all mixer and volume control functions. Combined with the Yamaha OPL3 FM
synthesizer, the CS4232 also provides support for four major sound standards including Adlib™ , Sound Blaster Pro
2.0, Windows Sound System and MPU-401 to meet all of the requirements of today’s multimedia applications. The
CS4232 also supports full-duplex operation which ensures support for future applications such as video conferencing.
The CS4232 includes a full Plug and Play ISA interface and is comprised of four logical devices including the
Synthesizer, Game Port, CS4232 device, and MPU-401. Each logical device is configured into the host environment
using the ISA Plug and Play configuration methodologies. The audio sub-system requires up to two DMA channels and
one interrupt. The system can be configured to use either DMA channels 0, 1, or 3. The interrupt can be mapped to
interrupt 5, 7, 9, 11, 12, or 15. (Note: not all interrupts may be available in a specific configuration.)
AUDIO I/O ACCESS
All of the necessary audio jacks (Line OUT, Line IN, Mic IN) and game port plugs are accessible via the I/O panel
along the rear of the Advanced/ATX baseboard. The audio connectors are standard 1/8” stereo jacks. To provide an
output path that does not require external speakers, the audio output is directed to the standard PC speaker. If
external speakers (self-powered) are plugged in, the audio output is redirected to the speakers.
CD-ROM AUDIO INPUT
A four pin connector (J1F1) is provided for interfacing the audio output stream from a CD-ROM reader into the
audio sub-system mixer. This connector is compatible with most typical cables that are supplied with CD-ROM
readers for interfacing to audio add-in cards.
WAVE TABLE UPGRADE
An eight pin header is provided to connect to a wave table upgrade card, available from several vendors for richer
sound quality in both DOS and Windows environments. The upgrade module is simply installed into a standard ISA
slot with a small cable routed to the connector (J1F2).
TELEPHONY INPUT
A four pin connector is provided for mixing the speaker output from a voice assisted telephony modem into the MIC
IN audio stream to the audio codec and redirecting the MONO OUT audio stream into the telephony modem. Use of
this connector allows the telephony modem to be properly configured for use without requiring cables to be installed
into the external audio jacks. The connector is compatible with the typical cable that is supplied with CD-ROM
readers for interfacing to audio add-in cards.
AUDIO DRIVERS
Audio software and utilities are available for the Advanced/ATX baseboard for DOS, Windows 3.1x, and Windows
95. A setup program installs the appropriate software programs and utilities onto the system hard drive. Included in
the audio software are DOS utilities that allow the user to play a CD-ROM, control sound volume and mixer settings,
run diagnostics, and switch between Sound Blaster Pro and Windows Sound System modes. Windows 3.11 drivers
Advanced/ATX Technical Product Summary •Page 11
and utilities include the Windows sound driver, audio input control panel, audio mixer control panel, and a business
audio transport utility. Updates for the audio drivers may be downloaded from the Intel Applications Support BBS.
BASEBOARD BIOS
The Advanced/ATX baseboard uses an Intel BIOS, which is stored in Flash EEPROM and easily upgraded using a
floppy disk-based program (see appendix H). BIOS upgrades will be downloadable from the Intel Applications Support
electronic bulletin board service. In addition to the Intel BIOS, the Flash EEPROM also contains the Setup utility,
Power-On Self Tests (POST), and the PCI auto-configuration utility. This baseboard supports system BIOS shadowing,
allowing the BIOS to execute from 64-bit on-board write-protected DRAM.
The BIOS displays a sign-on message during POST identifying the type of BIOS and a five-digit revision code. The
initial production BIOS in the Advanced/ATX will be identified as 1.00.01.CN0.
Information on BIOS functions can be found in the IBM PS/2 and Personal Computer BIOS Technical Reference
published by IBM, and the ISA and EISA Hi-Flex AMIBIOS Technical Reference published by AMI. Both manuals are
available at most technical bookstores.
FLASH MEMORY IMPLEMENTATION
The Intel N28F001BX 1 Mb Flash component is organized as 128K x 8 (128 KB). The code in the FLASH device is
compressed. At boot time, the code is decompressed and copied into shadowed DRAM. BIOS Flash recovery is not
supported, the recovery code has been removed from the boot block area and that area is now used to implement
additional BIOS functionality. A PCI add-in card has been designed that implements the FLASH recovery function.
BIOS UPGRADES
Flash memory makes distributing BIOS upgrades easy. A new version of the BIOS can be installed from a diskette.
BIOS upgrades will be available as down loadable files in from the Intel bulletin board.
The disk-based Flash upgrade utility, FMUP.EXE, has three options for BIOS upgrades:
•The Flash BIOS can be updated from a file on a disk;
•The current BIOS code can be copied from the Flash EEPROM to a disk file as a backup in the event that an
upgrade cannot be successfully completed; or
•The BIOS in the Flash device can be compared with a file to ensure the system has the correct version.
The upgrade utility ensures the upgrade BIOS extension matches the target system to prevent accidentally installing a
BIOS for a different type of system.
Note: CMOS memory should always be cleared after updating the BIOS. See Appendix K for more details, or see the
README files on the BIOS update disk.
SETUP UTILITY
The ROM-based Setup (see appendix H) utility allows the configuration to be modified without opening the system
for most basic changes. The Setup utility is accessible only during the Power-On Self Test (POST) by pressing the
<F1> key after the POST memory test has begun and before boot begins. A prompt may be enabled that informs users
to press the <F1> key to access Setup. A jumper setting (see Appendix B) on the baseboard can be set to prevent user
access to Setup for security purposes.
PCI SUPPORT
The BIOS supports Version 2.10 of the PCI BIOS specification. Support is also provided for Version 1.0 of the PCI
bridge specification. PCI-to-PCMCIA bridging can also be supported via third party expansion cards.
ISA PLUG AND PLAY
The BIOS incorporates ISA Plug and Play capabilities as defined by the Plug and Play Release 1.0A specification
(Plug and Play BIOS Ver. 1.0A, ESCD Ver. 1.02). This allows auto-configuration of Plug and Play ISA cards, and
resource management for non-plug and play (or legacy) ISA cards, when used in conjunction with Plug and Play
Advanced/ATX Technical Product Summary •Page 12
aware operating systems (such as Windows 95), or by using the ISA Configuration Utility (ICU) for non plug and
play aware operating systems (such as DOS/Windows 3.1x). System configuration information is stored in nonvolatile memory in ESCD format. The ESCD data may be cleared by setting the CMOS clear jumper to ON.
Copies of the IAL Plug and Play specification may be obtained via the Intel BBS (503) 264-7999, or via CompuServe
by typing Go PlugPlay.
AUTO-CONFIGURATION CAPABILITIES
The auto-configuration utility operates in conjunction with the system Setup utility to allow the insertion and removal
of PCI and ISA Plug and Play cards to the system without user intervention (Plug & Play). When the system is turned
on after adding a PCI or ISA Plug and Play card, the BIOS automatically configures interrupts, DMA channels, I/O
space, and memory space. The user does not have to configure jumpers or worry about potential resource conflicts.
Because PCI and ISA Plug and Play cards use the same interrupt resources as ISA cards, the user can specify the
interrupts used by ISA add-in cards in the Setup utility. Other parameters for legacy cards can be specified using the
ICU. If using Windows 95, the auto-configuration utility only initializes the devices required to boot up, Windows 95
initializes all the other devices since it's a Plug and Play aware operating system.
System configuration information is stored in ESCD format. The ESCD data may be cleared by setting the CMOS
clear jumper to the ON position.
ADVANCED POWER MANAGEMENT
The Advanced/ATX BIOS supports power management via System Management Mode (SMM) interrupts to the CPU
and Advanced Power Management (APM Ver. 1.1). In general, power management capabilities will allow the system
to be put into a power managed, Stand-by mode by either pressing a sleep/resume button on the front of the chassis,
by entering a user configurable hot-key sequence on the keyboard, or by the expiration of a hardware timer which
detects system inactivity for a user-configurable amount of time. When in the Stand-by mode, the Advanced/ATX
baseboard reduces power consumption by utilizing the power saving capabilities of the Pentium processor and also
spinning down hard drives and turning off DPMS compliant monitors. Add-in cards supplied with APM-aware
drivers can also be put into a power managed state for further energy savings. The ability to respond to external
interrupts is fully maintained while in Stand-by mode allowing the system to service requests such as in-coming
FAX’s or network messages while unattended.
FLASH LOGO AREA
Advanced/ATX supports a 4 KB programmable FLASH user area located at EC000-ECFFF. An OEM may use this
area to display a custom logo. The Advanced/ATX BIOS accesses the user area just after completing POST. The
utility used to create a logo is available for down loading from the Intel BBS.
SECURITY FEATURES
Administrative Password
If enabled, the administrative password protects all sensitive Setup options from being changed by a user unless the
password is entered (see appendix H).
If the password is forgotten, it can be cleared by turning off the system and setting the "password clear" jumper
(see appendix B) to the clear position.
User Password
The User Password feature provides security during the boot process. The user password can be set using the Setup
utility, and must be entered prior to peripheral boot or keyboard/mouse operation. (If the unattended boot feature is
set to enabled, the system will complete the operating system boot up process, but keyboard and mouse operation
will be locked until the user password is entered. See the Security Menu section of Appendix H for more details.)
If the password is forgotten, it can be cleared by turning off the system and setting the "password clear" jumper
(see appendix B) to the clear position.
Advanced/ATX Technical Product Summary •Page 13
Setup Enable Jumper
A baseboard configuration jumper (see appendix B) controls access to the BIOS Setup utility. By setting the jumper
to the disable position, the user is prevented from accessing the Setup utility during the Power-On Self Test or at
any other time. The message prompting the user to press <F1> to enter setup is also disabled.
Floppy Write Protect
A BIOS setup option can prevent writing to all devices attached to the floppy connector. This option is available in
the Floppy Options sub-menu.
PWR ON
1
Power on#
Power Return
Sleep Req
Sleep Driver
+5V
No Pin
SLEEP
INFRARED
Key
GND
IRRX
IRTX
+5V
No Pin
Key
+5V
HDACTIVE-
No Pin
HD LED
SLEEP LED
Key
GND
No Pin
LED DVR
GND
RESET-
+5V
RESET
SPEAKER
Key
On-board speaker
SPEAKERDAT-
26
FRONT PANEL CONNECTIONS
Figure 3: Front Panel I/O Connector, J30 (1 x 26 header)
The Advanced/ATX baseboard provides connectors to support functions typically located on the chassis bezel:
• Infrared (IrDA) port
• System Speaker
• Sleep/Resume
• System Reset
• Power Supply Control
• Power/Sleep LED
• Hard Drive activity LED
SPEAKER
An on-board piezo speaker manufacturing option is supported. It may be disabled by removing a jumper from
the front panel header and an off-board speaker may be connected to the header instead. The external speaker
provides error beep code information during the Power-On Self Test if the system cannot use the video
interface. In the absence of speakers being plugged into the audio output jack, the audio output is redirected to
either the on-board piezo speaker or an external PC speaker.
RESET
This 2-pin header can be connected to a momentary SPST type jumper that is normally open. When the
jumper is closed, the system will hard reset and run POST.
POWER/SLEEP LED
This 3-pin header can be connected to an LED to provide a light when the system is powered on. This LED will also
blink when the system is in a power-managed state.
HD LED
This 4-pin header can be connected to an LED to provide a light when an IDE hard drive is connected to the onboard
IDE controller.
Advanced/ATX Technical Product Summary •Page 14
INFRA-RED (IRDA) CONNECTOR
Serial port 2 can be configured to support an IrDA module via a 5 pin header connector. Once configured for IrDA,
the user can transfer files to or from portable devices such as laptops, PDA’s, and printers using application software
such as LapLink. The IrDA specification provides for data transfers at 115kbps from a distance of 1 meter.
SLEEP MODE SUPPORT
When Advanced Power Management (APM) is activated in the System BIOS and the Operating System’s APM
driver is loaded, Sleep mode (Stand-By) can be entered in one of three ways: an optional front panel “Sleep/Resume”
switch, a user defined keyboard hot key, or prolonged system inactivity. The Sleep/Resume switch is supported by a
2-pin header located on the front panel I/O connector. Closing the “Sleep” switch will generate an SMI (System
Management Interrupt) to the processor which causes the processor to go into System Management Mode (SMM),
the so called “Sleep” mode. The front panel “Sleep mode” switch must be a momentary two pin SPST type that is
normally open. The function of the Sleep/Resume button can also be achieved via a keyboard hot-key sequence, or by
a time-out of the system inactivity timer. Both the keyboard hot-key and the inactivity timer are programmable in the
BIOS setup (timer is set to 10 minutes by default). To re-activate the system, or “Resume”, the user must simply press
the sleep/resume button again, or use the keyboard or mouse. Note that mouse activity will only “wake up” the system
if a mouse driver is loaded. While the system is in Stand-By or “sleep” mode it is fully capable of responding to and
servicing external interrupts (such as in-coming FAX) even though the monitor will only turn on if a user interrupt
occurs as mentioned above.
REMOTE ON/OFF AND SOFT POWER SUPPORT
For power supplies that support the Remote ON/OFF feature, this 2 pin header (see Figure 3) should be connected to
the system power ON/OFF switch. The power ON/OFF button should be a momentary SPST switch that is normally
open. The power supply control signal (PS_ON) is supported via the primary power connector which is defined in
appendix G. Traditional power supplies with mechanical ON/OFF switches that do not support remote ON/OFF or
“soft-off” will by-pass this circuit.
After turning the system ON by pushing the power ON/OFF button, the Advanced/ATX baseboard (with a power
supply that supports remote power on/off) can be turned OFF from one of two sources: the front panel power
ON/OFF switch, or a “soft off” signal (coming from the National 82307 I/O controller) that can be controlled by the
operating system. In “soft off”, an APM command issued to the system BIOS will cause the power supply to turn
OFF via the “PS ON” control signal on the power connector. For example, Windows™ 95 will issue this APM
command when the user clicks on the Shutdown icon. Power can be restored by simply pressing the power ON/OFF
switch at which time the system will power back up and run POST. For more details on “soft-off” see appendix L.
BACK PANEL CONNECTIONS
The back panel provides external access to PS/2 style keyboard and mouse connectors as well as two serial and one
parallel port, which are integrated on the Advanced/ATX baseboard. Audio jacks for Speaker Out, Line In, and
Microphone are also provided on the back I/O panel along with a Midi/Game port connector. Figure 4 shows the
general location of the I/O connectors (assumes graphics and audio are installed on the baseboard).
Comm 1
Comm 2
PS/2
Mouse
Keyboard
Parallel Port
VGA
MIDI / Game Port
Line Out/Line In/Mic In
Figure 4: Back Panel I/O Connectors
Advanced/ATX Technical Product Summary •Page 15
AUDIO CONNECTIONS
There are connectors on-board for input from a CD-ROM, use of a wavetable upgrade card, and a telephony input.
J1F1 - CD-ROM Input
J1F2 - Wave Table Upgrade
J1F3 - Telephony Input
Figure 5: Audio Input Connectors
BASEBOARD CONNECTIONS
There are connectors on-board for Floppy, IDE, VESA feature connector (if graphics is present), and an auxiliary
system fan. There are also sockets for graphics memory upgrade (if graphics is present), SIMMs, battery holder, VRM
module socket (manufacturing option).
J3M1
VRM module
J5M1
Primary Power
J6K1,J7K1, J7K2, J7K3
SIMM system memory
BH9A1
Battery
Fan
Connector
Graphics DRAM
Upgrade
VESA/LPB
Connector
Floppy
Connector
Figure 6: Baseboard connectors
Advanced/ATX Technical Product Summary •Page 16
PCI IDE
Connectors
POWER CONSUMPTION
Table 3 lists the current used by system resources in a configuration which includes 16 MB of DRAM. Table 4 lists the
typical power consumed by the same configuration.. This information is preliminary and is provided only as a guide for
calculating approximate total system power usage with additional resources added.
VOLTAGE
DC Voltage
Acceptable tolerance
+3.3V
+5V
-5V
+12V
-12V
+/- 5%
+/- 5%
+/- 5%
+/- 5%
+/- 5%
Table 2. Advanced/ATX Voltage tolerance
CURRENT
DC Voltage
Typical Current*
+3.3V
+5V
-5V
+12V
-12V
tbd
tbd
tbd
tbd
tbd
Table 3. Advanced/ATX Current Requirements (Preliminary)
*(Same configuration as in table 4 below)
WATTS
System Configuration
Typical Power*
Sleep-mode Power*
Advanced/ATX baseboard, 16 MB RAM, 256 KB L2 cache, Floppy
drive, 540 MB hard drive, CD-ROM
35 W
22 W
Table 4. Power use by System Resources (Preliminary)
*(true power measured from the wall with a 65% efficient power supply)
Advanced/ATX Technical Product Summary •Page 17
Appendix A − User-Installable Upgrades
SYSTEM MEMORY
Table A-1 shows the possible memory combinations. The Advanced/ATX will support both Fast Page DRAM or EDO
DRAM SIMMs, but they cannot be mixed within the same memory bank. If Fast Page DRAM and EDO DRAM
SIMMs are installed in separate banks, each bank will be optimized for maximum performance. Parity generation and
detection is NOT supported, but parity SIMMs (x36) may be used. SIMM requirements are 70ns Fast Page Mode or
60nS EDO DRAM (70 ns EDO may be used with a 60mhz or slower external CPU clock) with tin-lead connectors.
SIMM 1,2 (Bank 0)
SIMM Type (Amount)
SIMM 3,4 (Bank 1)
SIMM Type (Amount)
Total System Memory
1M X 32 (4 MB)
1M X 32 (4 MB)
1M X 32 (4 MB)
1M X 32 (4 MB)
1M X 32 (4 MB)
2M X 32 (8 MB)
2M X 32 (8 MB)
2M X 32 (8 MB)
2M X 32 (8 MB)
2M X 32 (8 MB)
4M X 32 (16 MB)
4M X 32 (16 MB)
4M X 32 (16 MB)
4M X 32 (16 MB)
4M X 32 (16 MB)
8M X 32 (32 MB)
8M X 32 (32 MB)
8M X 32 (32 MB)
8M X 32 (32 MB)
8M X 32 (32 MB)
Empty
1M X 32 (4 MB)
2M X 32 (8 MB)
4M X 32 (16 MB)
8M X 32 (32 MB)
Empty
1M X 32 (4 MB)
2M X 32 (8 MB)
4M X 32 (16 MB)
8M X 32 (32 MB)
Empty
1M X 32 (4 MB)
2M X 32 (8 MB)
4M X 32 (16 MB)
8M X 32 (32 MB)
Empty
1M X 32 (4 MB)
2M X 32 (8 MB)
4M X 32 (16 MB)
8M X 32 (32 MB)
8 MB
16 MB
24 MB
40 MB
72 MB
16 MB
24 MB
32 MB
48 MB
80 MB
32 MB
40 MB
48 MB
64 MB
96 MB
64 MB
72 MB
80 MB
96 MB
128 MB
Table A-1. Possible SIMM memory combinations
Note: SIMMs may be parity (x 36) or non-parity (x 32)
REAL TIME CLOCK BATTERY REPLACEMENT
The battery can be replaced with a Sanyo CR2032, or equivalent, coin cell lithium battery. This battery has a 3V, 220
mAh rating.
CPU UPGRADE
A Type 7 Zero Insertion Force (ZIF) socket provides users with a performance upgrade path to the Pentium Overdrive
Processors.
GRAPHICS MEMORY UPGRADE
The Advanced/ATX baseboard has 1 MB of Fast Page DRAM installed for graphics and two SOJ type sockets for
upgrades up to 2 MB of graphics DRAM. The user can install two 256k x 16, 60 nS DRAM to provide a total of 2 MB
of graphics DRAM.
Advanced/ATX Technical Product Summary •Page 18
Appendix B − Jumpers
J2G1
4 5 6
1
4 5 6
4 5 6
4 5 6
1
1
1
2 3
1
2 3
J10C2
2 3
J10C3
2 3
2 3
J10K1
J10C4
Figure B-1. Jumper locations
INTERNAL CPU CLOCK SPEED (J10C2)
These jumpers sets the internal CPU clock speed to either 1.5x, 2x, or 2.5x that of the external CPU clock speed. These
jumpers should be configured dependant on the speed of the processor.
CPU Clock
Multiplier
J10C2
1.5x
2.0x
2.5x
Reserved
2-3,4-5
1-2,4-5
1-2,5-6
2-3,5-6
Table B-1 CPU Clock Multiplier
VR / VRE (J10K1)
This jumper block changes the output of the on-board voltage regulator. Pins 2-3 should be jumpered for processors
that require standard voltage regulation, pins 1-2 should be jumpered for processors that require the VRE specification.
This jumper should not be changed by the user unless changing to a new processor type. Some upgrade processors may
require a different setting, check the processor's documentation for the correct setting. (Standard = 3.135-3.63V, VR =
3.3-3.465V, VRE = 3.465-3.63V)
EXTERNAL CPU CLOCK SPEED - 50/60/66 MHZ (J2G1)
This jumper block sets the CPU's external operating frequency to memory at 50, 60, or 66 Mhz. Default setting depends
on the specific product code and type of Pentium processor installed.
External Bus
Freq.
PCI Bus
Freq.
Jumpers
50 MHz
60 MHz
66 MHz
Reserved
25 MHz
30 MHz
33 MHz
na
1-2, 5-6
1-2, 4-5
2-3, 5-6
2-3, 4-5
Table B-2 External Bus Frequency
Advanced/ATX Technical Product Summary •Page 19
DISABLE / ENABLE SETUP (J10C4)
Allows access to CMOS Setup Utility to be disabled by jumpering pins 4-5 in J10C4. Default is for access to setup to be
enabled, which requires jumpers on 5-6 in J10C4.
CLEAR CMOS (J10C3)
Allows CMOS settings to be reset to default values by jumpering pins 1-2 in J10C3. This will also clear out all plug
and play configuration information stored in the ESCD area. The system should then be turned off and the jumper
returned to pins 2-3 to restore normal operation.
ISA BUS CLOCK (J10C4)
This jumper changes the clock frequency of the ISA bus. The effect of this jumper on the ISA clock depends upon the
setting of the CPU clock speed jumpers. The default setting for this jumper is 2-3. In general, this jumper should only
be set to 1-2 if higher ISA performance is required, and the ISA expansion cards can handle the faster bus clock. (A
clock frequency of greater than 8.33 MHz violates the ISA specification, although many ISA cards are designed to
support higher clock frequencies.)
Bus Frequency
Jumper J10C4
ISA Bus Speed
50 MHz
60 MHz
1-2 or 2-3
1-2
2-3
1-2
2-3
8.33 MHz
10 MHz
7.5 MHz
11 MHz
8.25 MHz
66 MHz
Table B-3 ISA Bus Clock Speed
PASSWORD CLEAR (J10C3)
Allows system password to be cleared by jumpering pins 4-5 in J10C3 and turning the system on. The system should
then be turned off and the jumper should be returned to 5-6 in J10C3 to restore normal operation. This procedure
should only be done if the user password has been forgotten.
Advanced/ATX Technical Product Summary •Page 20
Appendix C − Memory Map
Address Range (Decimal)
Address Range (hex)
Size
1024K-131072K
100000-8000000
127M
Description
960K-1023K
F0000-FFFFF
64K
AMI System BIOS (not available for UMB)
952K-959K
EE000-EFFFF
8K
Main BIOS (Currently available as UMB)
948K-951K
ED000-EDFFF
4K
ESCD (Plug ‘N’Play configuration area)
944-947K
EC000-ECFFF
4K
OEM LOGO (available as UMB)
896K-943K
E0000-EBFFF
47K
BIOS RESERVED (Currently available as UMB)
800-895K
C8000-DFFFF
96K
Available HI DOS memory (open to ISA and PCI bus)
640K-799K
A0000-C7FFF
160K
On-board video memory and BIOS
639K
9FC00-9FFFF
1K
512K-638K
80000-9FBFF
127K
Extended conventional
0K-511K
00000-7FFFF
512K
Conventional
Extended Memory
Extended BIOS Data (moveable by QEMM, 386MAX)
Table C-1. Advanced/ATX Memory Map
The table above details the Advanced/ATX memory map. The ESCD area from ED000-EDFFF is not available for use
as an Upper Memory Block (UMB) by memory managers. The area from E0000-EBFFF is currently not used by the
BIOS and is available for use as UMB by memory managers. (Some memory managers may require the user to include
the specific ranges.) Parts of this area may be used by future versions of the BIOS to add increased functionality.
Appendix D − I/O Map
The following table lists the I/O addresses used by baseboard devices. Some of these devices (audio and graphics) may not
be present in all configurations. Some devices (serial ports, parallel ports etc.) may be configured for various addresses or
disabled. These I/O locations are listed in the Variable Baseboard Resources column. Note: the Crystal audio controller is
a plug and play device, only standard audio addresses are listed below.
Address (hex)
Size
Fixed Baseboard Resources
Variable Baseboard Resources
0000 - 000F
0020 - 0021
16 bytes
2 bytes
PIIX - DMA controller
PIIX - Interrupt Controller 1
002E - 002F
2 bytes
82306 I/O configuration registers
0040 - 0043
4 bytes
PIIX - Timer 1
0060
1 byte
Keyboard Controller Data Byte
0061
1 byte
PIIX - NMI, speaker control
0064
1 byte
Kbd Controller, CMD/STAT Byte
0070, bit 7
1 bit
PIIX - Enable NMI
0070, bits 6:0
7 bits
87C306 - Real Time Clock,
0071
1 byte
87C306 - Real Time Clock, Data
0078
1 byte
Reserved - Brd. Config.
0079
1 byte
Reserved - Brd. Config.
0080 - 008F
16 bytes
PIIX - DMA Page Register
00A0 - 00A1
2 bytes
PIIX - Interrupt Controller 2
00B2 - 00B3
2 bytes
PIIX - APM Control/StatusInterrupt
00C0 - 00DE
31 bytes
PIIX - DMA controller
00F0
1 byte
Reset Numeric Error
0170 - 0177
8 bytes
Secondary IDE Channel
01F0 - 01F7
8 bytes
Primary IDE Channel
0200 - 0207
8 bytes
Gameport Joystick
0220 - 022F
16 bytes
0270 - 0273
4 bytes
0278 - 027B
Audio - WSS
I/O read port for Plug and Play
4 bytes
Parallel Port 2
Table D-1 Advanced/ATX I/O Address Map (continued on next page)
Advanced/ATX Technical Product Summary •Page 21
I/O ADDRESS MAP (CONTINUED)
Address (hex)
Size
Fixed Baseboard Resources
Variable Baseboard Resources
02E8 - 02EF
02F8 - 02FF
8 bytes
8 bytes
Serial Port 4
Serial Port 2
0330 - 0331
2 bytes
Audio - MUP-401
0376
1 byte
Sec IDE Chan Cmd Port
0377
1 byte
Sec IDE Chan Stat Port
0378 - 037F
8 bytes
Parallel Port 1
0388 - 038B
4 bytes
Audio - WSS
03B0 - 03BB
4 bytes
S3 Trio64V+
03BC - 03BF
4 bytes
Parallel Port 3 (add-in device)
03C0 - 03DF
16 bytes
S3 Trio64V+
03E8 - 03EF
8 bytes
Serial Port 3
03F0 - 03F5
6 bytes
Floppy Channel 1
03F6
1 bytes
Pri IDE Chan Cmnd Port
03F7 (Write)
1 byte
Floppy Chan 1 Cmd
03F7, bit 7
1 bit
Floppy Disk Chg Chan 1
03F7, bits 6:0
7 bits
Pri IDE Chan Status Port
03F8 - 03FF
8 bytes
Serial Port 1
LPT + 400h
3 bytes
4D0 - 4D1
2 bytes
608 - 60B
4 bytes
0CF8 - 0CFC*
4 bytes
PCI Config Address Reg.
0CF9
1 byte
Turbo & Reset control Reg.
0CFC - 0CFF
4 bytes
PCI Config Data Reg
0F00 - 0F07
8 bytes
Audio - CS4232 support regs
FFA0 - FFA7
8 bytes
Primary Bus Master IDE regs
FFA8 - FFAF
8 bytes
Secondary Bus Master IDE regs
FF00-FF07
ECP regs, LPT base + 400h
Edge/Level INTR Control Reg.
Audio - WSS
8 bytes
IDE Bus Master Reg.
Table D-1. Advanced/ATX I/O Address Map (*only accessible by DWORD accesses)
I/O Port 78 is reserved for BIOS use. Port 79 is a read only port, the bit definitions are shown below in Table D-2.
Bit #
Description
Bit = 1
Bit = 0
0
1
2
3
4
5
6
7
Reserved
Soft Off capable power supply present
On-bd Audio present
External CPU clock (Jumper 2)
External CPU clock (Jumper 1)
Setup Disable (Jumper 8)
Clear CMOS (Jumper 5)
Password Clear (Jumper 6)
n/a
No
Yes
Table B-2
Table B-2
Enable access
Keep values
Keep password
n/a
Yes
No
Table B-2
Table B-2
Disable access
Clear values
Clear password
Table D-2. Advanced/ATX Port 79 Definition
Advanced/ATX Technical Product Summary •Page 22
Appendix E − PCI Configuration Space Map
The 82430FX chip set uses Configuration Mechanism 1 to access PCI configuration space. The PCI Configuration
Address register is a 32-bit i/o register located at 0CF8h, the PCI Configuration Data register is a 32-bit i/o register
located at 0CFCh. The PCI Configuration Address register is only accessible by a DWORD access, the PCI Configuration
Data register is accessible by DWORD, WORD or BYTE accesses.
ACCESS TO I/O CONFIGURATION SPACE USING MECHANISM #1
1. Using a DWORD write command, output the desired I/O configuration address to I/O port CF8H
2. Using a DWORD read or write command, read or write data from the I/O port CFCH
NOTE: Any address output to CF8H is always on a 4 byte (DWORD) boundary. You can read or write any BYTE,
WORD or DWORD in the four byte range by using the correct offset as follows:
DWORD @ CFCh
WORD @ CFCh or CFEh
BYTE @ CFCh, CFDh, CFEh or CFFh
CONFIGURATION ADDRESS REGISTER BIT DEFINITION
31
1
30
24
RESERVED
23
16
BUS NUMBER
15
11
DEVICE NUMBER
10
8
FUNCTION NUMBER
7
2
REGISTER NUMBER
1
0
0
0
CONFIG SPACE ENABLE FLAG (Bit 31): Always 1 to indicate I/O access is to configuration space.
RESERVED (Bits 30-24): Always 00h
BUS NUMBER (Bits 23-16): Always 00h unless a bridge card is installed in a PCI slot
DEVICE NUMBER (Bits 15-11): Used to indicate a specific PCI device. The 82430FX TSC has a predefined device
number of 00000h. The PIIX and four PCI slots also have specific device numbers, that device number is determined by
which PCI Address/Data line is connected to the device’s ID SEL pin. Table E-1 details the specific mapping
information.
FUNCTION NUMBER (Bits 10-8): Used to indicate a specific function in multifunction PCI devices. The PIIX is the
only multifunction device on ADVANCED/ATX located on the baseboard. Use 00h for the basic PIIX device and 01h
for the PCI IDE BUS MASTER FUNCTION. For a multifunction PCI add-in card, refer to the card’s documentation to
determine the allowable function numbers.
REGISTER NUMBER (Bits 7-2): Defines one of 64 DWORD locations for a specific PCI device.
Note that Bits 1 and 0 must always be 0h for DWORD access.
The table below lists the PCI bus and device numbers used by the baseboard. It also lists the data range that must be
written to the I/O Configuration Address register to access the device.
DEVICE
TSC
PIIX
PIIX-IDE BUS MASTER
S3 Trio 64V+
PCI SLOT 1 (closest to ISA slots)
PCI SLOT 2
PCI SLOT 3
PCI SLOT 4 (farthest from ISA slots)
BUS/DEVICE/FUNCTION
00/00/0
00/07/0
00/07/1
00/08/0
00/0D/0
00/0E/0
00/0F/0
00/10/0
ID SEL
N/A
AD18
AD18
AD19
AD24
AD25
AD26
AD27
I/O CONFIG ADDRESS REGISTER
8000 0000 - 8000 00FC
8000 3800 - 8000 38FC
8000 3900 - 8000 39FC
8000 4000 - 8000 40FC
8000 6800 - 8000 68FC
8000 7000 - 8000 70FC
8000 7800 - 8000 78FC
8000 8000 - 8000 80FC
Table E-1. Advanced/ATX PCI Configuration. Space Map
Advanced/ATX Technical Product Summary •Page 23
Appendix F − Interrupts & DMA Channels
The following tables list the Interrupt and DMA Channel configuration options for on-board devices. The serial ports,
parallel ports, and IDE controller can be configured via SETUP, the ICU, or any other Plug and Play resource manager
(such as the Windows 95 Device Manager). The Audio controller can only be configured via a Plug and Play resource
manager. The Graphics interrupt is assigned by the auto-configure utility during boot up.
IRQ
NMI
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Reserved Interrupts
Serial Port
1
Serial Port
2
X
X
X
X
Parallel
Port
IDE
Audio
Graphics
X
X
X
X
X
X
X
X
X
X
X
X
I/O Channel Check
Interval Timer
Keyboard buffer full
Cascade interrupt from
slave PIC
Floppy Controller
Real Time Clock
PS/2 Mouse (if present)
Math co-processor
X
X
Table F-1. Advanced/ATX Interrupts
DMA
0
1
2
3
4
Reserved
Parallel Port
X*
Audio
X*
X*
Floppy
X
Cascade
channel
5
6
7
Table F-2. Advanced/ATX DMA Map
* Note: Not configurable through the BIOS SETUP utility
Advanced/ATX Technical Product Summary •Page 24
Appendix G − Connectors
POWER SUPPLY CONNECTOR
PRIMARY POWER (J5M1)
Function
Name
Pin
Pin
Name
Function
+ 3.3 V for PCI slots
- 12 volts
3.3 V
-12 V
11
12
1
2
3.3 V
3.3 V
+ 3.3 V for PCI slots
+ 3.3 V for PCI slots
Ground
GND
13
3
GND
Ground
Power Supply remote ON/OFF control
PS-ON*
14
4
+5 V
+ 5 volts Vcc
Ground
GND
15
5
GND
Ground
Ground
GND
16
6
+5 V
+ 5 volts Vcc
Ground
GND
17
7
GND
-5 volts
-5 V
18
8
PWR
+ 5 volts Vcc
+5 V
19
9
+5
+ 5 volts Stand By for RTC
+ 5 volts Vcc
+5 V
20
10
+12 V
+ 12 volts
Ground
Power Good
PWR ON
1
Power on#
Power Return
Sleep Req
Sleep Driver
+5V
No Pin
SLEEP
INFRARED
Key
GND
IRRX
IRTX
No Pin
Key
+5V
+5V
HDACTIVE-
No Pin
HD LED
SLEEP LED
Key
GND
No Pin
LED DVR
RESET
GND
+5V
SPEAKER CONNECTOR
RESET-
Key
26
SPEAKERDAT-
On-board speaker
SPEAKER
FRONT PANEL CONNECTORS − (J10H1, J10A1)
INFRA-RED
Pin
Signal Name
Pin
Signal Name
26
25
SPKR_DAT
Piezo SPKR DAT
10
9
IR_TX
Ground
24
Key
8
IR_RX
23
+5V
7
Key
6
+5V
RESET CONNECTOR
Pin
Signal Name
22
21
RESET
Ground
SLEEP/RESUME
Pin
Signal Name
4
3
Sleep Pull Up
Sleep Req
POWER/SLEEP LED
Signal Name
19
18
LED_PWR
Key
17
Ground
HARD DRIVE LED (DISK)
REMOTE ON/OFF
Pin
Signal Name
2
1
Power Return
Power on
CARD SLOT FAN POWER (J10A1)
Pin
Signal Name
Fast Pin
Slow Pin
Signal Name
15
14
+5V
HD ACTIVE
1
2
4
5
Ground
+12 V
13
Key
3
6
Ground
12
+5V
Advanced/ATX Technical Product Summary •Page 25
BACK PANEL CONNECTORS
SERIAL PORTS
Pin
PARALLEL PORT
Signal Name
Signal Name
Pin
Pin
Signal Name
1
2
DCD
Serial In - (SIN)
STROBEData Bit 0
1
2
14
15
AUTO FEEDERROR-
3
Serial Out - (SOUT)
Data Bit 1
3
16
INIT-
4
DTR-
Data Bit 2
4
17
SLCT IN-
5
GND
Data Bit 3
5
18
Ground
6
DSR-
Data Bit 4
6
19
Ground
7
RTS-
Data Bit 5
7
20
Ground
8
CTS-
Data Bit 6
8
21
Ground
9
RI
Data Bit 7
9
22
Ground
ACK-
10
23
Ground
BUSY
11
24
Ground
PE (Paper End)
12
25
Ground
SLCT
13
PS/2 KEYBOARD & MOUSE PORTS
Pin
Signal Name
1
2
Data
No Connect
3
Ground
4
Vcc
Pin
Signal Name
5
Clock
6
No Connect
1
2
Vcc
JSBUT0
3
JSX1R
4
GND
VIDEO MONITOR PORT
Pin
Signal Name
1
2
Red
Green
3
4
Blue
No Connect
5
Ground
6
Ground
7
Ground
8
Ground
9
No Connect
10
Ground
11
No Connect
12
DDC DAT
13
Horizontal Sync.
14
Vertical Sync.
15
DDC Clock
Advanced/ATX Technical Product Summary •Page 26
MIDI/GAME PORT
5
GND
6
JSY1R
7
JSBUT1
8
Vcc
9
Vcc
10
JSBUT2
11
JSX2R
12
MIDI-OUT-R
13
JSY2R
14
JSBUT3
15
MIDI-IN-R
INTERNAL I/O HEADERS
IDE CONNECTORS (J8H1, J8H2)
VESA FEATURE CONNECTOR (J8G1)
Signal Name
Pin
Pin
Signal Name
Signal Name
Pin
Pin
Signal Name
Reset IDE
Host Data 7
1
3
2
4
Ground
Host Data 8
Ground
Ground
1
3
2
4
Data 0
Data 1
Host Data 6
5
6
Host Data 9
Ground
5
6
Data 2
Host Data 5
7
8
Host Data 10
Data enable
7
8
Data 3
Host Data 4
9
10
Host Data 11
Sync enable
9
10
Data 4
Host Data 3
11
12
Host Data 12
PCLK enable
11
12
Data 5
Host Data 2
13
14
Host Data 13
No Connect
13
14
Data 6
Host Data 1
15
16
Host Data 14
Ground
15
16
Data 7
Host Data 0
17
18
Host Data 15
Ground
17
18
PCLK
Ground
19
20
Key
Ground
19
20
BLANK
DDRQ0 (DDRQ1)
21
22
Ground
Ground
21
22
HSYNC
I/O Write-
23
24
Ground
No Connect
23
24
VSYNC
I/O Read-
25
26
Ground
No Connect
25
26
Ground
IOCHRDY
27
28
Vcc pull-up
key
27
28
key
DDACK0 (DDACK1)-
29
30
Ground
Ground
29
30
IIC CLK
IRQ14 (IRQ15)
31
32
No Connect
No Connect
31
32
IIC DAT
Addr 1
33
34
No Connect
EN1
33
34
EN0
Addr 0
35
36
Addr 2
CS 1P (1S)Activity-
37
39
38
40
CS 3P (3S)Ground
Note: Signals in parenthesis are for the sec. IDE connector.
FLOPPY CONNECTOR (J9G1)
CD-ROM AUDIO INTERFACE (J1F1)
Pin
Signal Name
1
2
Ground
CD-Left
3
Ground
4
CD-Right
Signal Name
Pin
Pin
Signal Name
Ground
Ground
1
3
2
4
DENSEL
Reserved
Key
5
6
FDEDIN
Pin
Signal Name
Ground
7
8
Index-
Ground
9
10
Motor Enable A-
1
2
Wave Right
Ground
Ground
11
12
Drive Select B-
3
Wave Left
Ground
13
14
Drive Select A-
4
Ground
Ground
15
16
Motor Enable B-
5
No Connect
MSEN1
17
18
DIR-
6
Ground
Ground
19
20
STEP-
7
No Connect
Ground
21
22
Write Data-
8
MIDI_OUT
Ground
23
24
Write Gate-
Ground
25
26
Track 00-
MSEN0
27
28
Write Protect-
Ground
29
30
Read Data-
Ground
31
32
Side 1 Select-
Ground
33
34
Disk Change-
WAVETABLE UPGRADE INTERFACE (J1F2)
VOICE MODEM AUDIO INTERFACE (J1F3)
Pin
Signal Name
1
2
Ground
Tel In
3
Ground
4
Tel Out
Advanced/ATX Technical Product Summary •Page 27
EXPANSION CARD CONNECTORS
ISA CONNECTORS
Signal Name
Pin
Pin
Signal Name
Signal Name
Pin
Pin
Signal Name
GND
RSTDRV
B1
B2
A1
A2
IOCHKSD7
DACK2TC
B26
B27
A26
A27
SA5
SA4
Vcc
B3
A3
SD6
BALE
B28
A28
SA3
IRQ9
B4
A4
SD5
Vcc
B29
A29
SA2
-5V
B5
A5
SD4
OSC
B30
A30
SA1
DRQ2
B6
A6
SD3
GND
B31
A31
SA0
-12V
B7
A7
SD2
KEY
KEY
0WS-
B8
A8
SD1
MEMCS16-
D1
C1
SBHE-
+12V
B9
A9
SD0
IOCS16-
D2
C2
LA23
GND
B10
A10
IOCHRDY
IRQ10
D3
C3
LA22
SMEMW-
B11
A11
AEN
IRQ11
D4
C4
LA21
SMEMR-
B12
A12
SA19
IRQ12
D5
C5
LA20
IOW-
B13
A13
SA18
IRQ15
D6
C6
LA19
IOR-
B14
A14
SA17
IRQ14
D7
C7
LA18
DACK3-
B15
A15
SA16
DACK0-
D8
C8
LA17
DRQ3
B16
A16
SA15
DRQ0
D9
C9
MEMR-
DACK1-
B17
A17
SA14
DACK5-
D10
C10
MEMW-
DRQ1
B18
A18
SA13
DRQ5
D11
C11
SD8
REFRESH-
B19
A19
SA12
DACK6-
D12
C12
SD9
SYSCLK
B20
A20
SA11
DRQ6
D13
C13
SD10
IRQ7
B21
A21
SA10
DACK7-
D14
C14
SD11
IRQ6
B22
A22
SA9
DRQ7
D15
C15
SD12
IRQ5
B23
A23
SA8
Vcc
D16
C16
SD13
IRQ4
B24
A24
SA7
Master-
D17
C17
SD14
IRQ3
B25
A25
SA6
GND
D18
C18
SD15
Advanced/ATX Technical Product Summary •Page 28
PCI CONNECTORS
Signal Name
Pin
Pin
Signal Name
Signal Name
Pin
Pin
Signal Name
GND
+12V
A1
A2
B1
B2
-12V
No Connect
AD16
3.3V
A32
A33
B32
B33
AD17
CBE2-
No Connect
A3
B3
GND
FRAME-
A34
B34
GND
No Connect
A4
B4
No Connect
GND
A35
B35
IRDY-
Vcc
A5
B5
Vcc
TRDY-
A32
B32
3.3V
PCIINTA-
A6
B6
Vcc
GND
A37
B37
DEVSEL-
PCIINTC-
A7
B7
PCIINTB-
STOP-
A38
B38
GND
Vcc
A8
B8
PCIINTD-
3.3V
A39
B39
PLOCKPERR-
Reserved
A9
B9
No Connect
SDONE
A40
B40
Vcc
A10
B10
Reserved
SBO-
A41
B41
3.3V
Reserved
A11
B11
No Connect
GND
A42
B42
SERR-
GND
A12
B12
GND
PAR
A43
B43
3.3V
GND
A13
B13
GND
AD15
A44
B44
CBE1AD14
Reserved
A14
B14
Reserved
3.3V
A45
B45
SPCIRST-
A15
B15
GND
AD13
A46
B46
GND
Vcc
A16
B16
PCLKE
AD11
A47
B47
AD12
AGNT-
A17
B17
GND
GND
A48
B48
AD10
GND
A18
B18
REQA-
AD9
A49
B49
GND
Reserved
A19
B19
Vcc
KEY
A50
B50
KEY
AD30
A20
B20
AD31
KEY
A51
B51
KEY
3.3V
A21
B21
AD29
CBEO-
A52
B52
AD8
AD28
A22
B22
GND
3.3V
A53
B53
AD7
AD26
A23
B23
AD27
AD6
A54
B54
3.3V
GND
A24
B24
AD25
AD4
A55
B55
AD5
AD24
A25
B25
3.3V
GND
A56
B56
AD3
AD22 (IDSEL)
A26
B26
CBE3-
AD2
A57
B57
GND
3.3V
A27
B27
AD23
AD0
A58
B58
AD1
AD22
A28
B28
GND
Vcc
A59
B59
Vcc
AD20
A29
B29
AD21
SREQ64-
A60
B60
SACK64-
GND
A30
B30
AD19
Vcc
A61
B61
Vcc
AD18
A31
B31
3.3V
Vcc
A62
B62
Vcc
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 29
Appendix H − BIOS Setup
This section details the BIOS CMOS Setup Utility. The parameters described below are based on BIOS version
1.00.01.CN0; other BIOS versions may differ from the description below as new features are added.
OVERVIEW OF THE SETUP MENU SCREENS
The Setup program initially displays the Main menu screen. In each screen there are options for modifying the system
configuration. Select a menu screen by pressing the left <← > or right <→ > arrow keys. Use the up <↑> or down <↓>
keys to select items in a screen. Use <Enter> to select an item for modification. For certain items, pressing <Enter> will
bring up a subscreen. After you have selected an item, use the arrow keys to modify the setting.
Setup Menu Screen
Main
Advanced
Security
Exit
Setup Subscreen
Floppy Options
Primary IDE Master
Primary IDE Slave
Secondary IDE Master
Secondary IDE Slave
Boot Options
Peripheral Configuration
Advanced Chipset Configuration
Power Management
Configuration
Plug and Play Configuration
Description
For setting up and modifying some of the basic options of a PC, such as time, date, diskette
drives, hard drives.
For modifying the more advanced features of a PC, such as peripheral configuration and
advanced chipset configuration.
For specifying passwords that can be used to limit access to the system.
For saving or discarding changes.
Description
For configuring your floppy disk drives.
For configuring your Primary IDE Master drive.
For configuring your Primary IDE Slave drive.
For configuring your Secondary IDE Master drive.
For configuring your Secondary IDE Slave drive.
For modifying options that affect the system boot up, such as the boot sequence.
For modifying options that affect the serial ports, the parallel port, and the disk drive
interfaces.
For modifying options that affect memory and system busses.
For accessing and modifying Advanced Power Management (APM) options.
For modifying options that affect the system’s plug and play capabilities.
OVERVIEW OF THE SETUP KEYS
Setup Key
<F1>
<Esc>
<Enter>
<↑>
<↓>
<← > <→ >
<F5>
<F6>
<F10>
Description
Pressing the <F1> key brings up a help screen for the currently selected item.
Pressing the <Esc> key takes you back to the previous screen. Pressing it in the Main,
Advanced, Security, or Exit screen allows you to Exit Discarding Changes (see later in this
chapter).
Pressing the <Enter> key selects the current item or option.
Pressing the up <↑> key changes the selection to the previous item or option.
Pressing the down <↓> key changes the selection the to the next item or option.
Pressing the left <← > or right <→ > keys in the Main, Advanced, Security, or Exit menu
screens changes the menu screen. Pressing either key in a subscreen does nothing.
Pressing the <F5> key allows you to Load Setup Defaults (see later in this chapter).
Pressing the <F6> key allows you to Discard Changes (see later in this chapter).
Pressing the <F10> key allows you to Exit Saving Changes (see later in this chapter).
Advanced/ATX Technical Product Summary •Page 30
MAIN SCREEN
This section describes the Setup options found on the main menu screen. If you select certain options from the main
screen (e.g., Floppy options), the Setup program will switch to a subscreen for the selected option. Subscreens are
described in the sections following the description of the main screen options.
System Date
When selected, this brings up a dialog box that allows you to specify the current date.
System Time
When selected, this brings up a dialog box that allows you to specify the current time.
Floppy Options
When selected, this brings up the Floppy Options subscreen.
Primary IDE Master
This reports if a primary master IDE hard disk is connected to the system. When selected, this brings up the Hard
Disk Configuration subscreen.
Primary IDE Slave
This reports if a primary slave IDE hard disk is connected to the system. When selected, this brings up the Hard
Disk Configuration subscreen.
Secondary IDE Master
This reports if a secondary master IDE hard disk is connected to the system. When selected, this brings up the
Hard Disk Configuration subscreen.
Secondary IDE Slave
This reports if a secondary slave IDE hard disk is connected to the system. When selected, this brings up the Hard
Disk Configuration subscreen.
Language
This reports the current language of the text strings used in the Setup program and the BIOS. There are no options.
The language of the text strings can be changed by using the FLASH Memory Update utility.
Boot Options
When selected, this brings up the Boot Options screen.
Video Mode
This reports the video mode. There are no options.
Mouse
This reports if a PS/2 style mouse is installed or not. There are no options.
Base Memory
This reports the amount of base memory. There are no options.
Extended Memory
This reports the amount of extended memory. There are no options.
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 31
FLOPPY OPTIONS SUBSCREEN
Floppy A: Type
When selected, this brings up a dialog box that allows you to specify the physical size and capacity of the diskette
drive. The options are Disabled; 360 KB, 5.25-inch; 1.2 MB, 5.25-inch; 720 KB, 3.5-inch; 1.44/1.25 MB, 3.5inch; 2.88 MB, 3.5-inch. The default is 1.44 MB, 3.5-inch.
Floppy B: Type
When selected, this brings up a dialog box that allows you to specify the physical size and capacity of the diskette
drive. The options are Disabled, 360 KB, 5.25-inch; 1.2 MB, 5.25-inch; 720 KB, 3.5-inch; 1.44/1.25 MB, 3.5inch; 2.88 MB, 3.5-inch. The default is Disabled.
Floppy Access
When selected, this brings up a dialog box that allows you to set Read/Write or Read Only access for any attached
floppy drives. The default is Read/Write.
PRIMARY IDE MASTER SUBSCREEN
IDE Device Configuration
When selected, this brings up a dialog box that allows you to manually configure your hard drive or have the
system auto configure it. The options are Auto Configured, User Definable and Disabled. The default is Auto
Configured. If you select User Definable then the Number of Cylinders, Number of Heads, and Number of Sectors
items can be modified.
Number of Cylinders
If Hard Disk Type is set to User Definable, you must type the correct number of cylinders for your hard disk. If
Hard Disk Type is set to Auto Configured, this reports the number of cylinders for your hard disk and cannot be
modified.
Number of Heads
If Hard Disk Type is set to User Definable, you must type the correct number of heads for your hard disk. If Hard
Disk Type is set to Auto Configured, this reports the number of heads for your hard disk and cannot be modified.
Number of Sectors
If Hard Disk Type is set to User Definable, you must type the correct number of sectors for your hard disk. If Hard
Disk Type is set to Auto Configured, this reports the number of sectors for your hard disk and cannot be modified.
Maximum Capacity
This reports the maximum capacity of your hard disk. It is calculated from the number of cylinders, heads, and
sectors. There are no options.
IDE Translation Mode
When selected, this brings up a dialog box that allows you to specify the IDE translation mode. The options are
Standard CHS (standard cylinder head sector — less than 528MB total drive size), Logical Block Addressing
(LBA), Extended CHS (extended cylinder head sector), and Auto Detected (BIOS detects IDE drive support for
LBA). The default is Auto-detected.
Some operating systems do not support LBA and/or ECHS translation modes. In these cases, this parameter should
be set to CHS. Check the documentation for your specific operating system to see it it supports these extended
modes. (DOS/Windows 3.X and Windows 95 both support LBA and ECHS modes).
Also, if an IDE drive has previously been FDISKed and formatted on another system, you must ensure both
systems are set for the same translation mode. Data corruption or erratic operation may result if different
translation modes are used.
Advanced/ATX Technical Product Summary •Page 32
Multiple Sector Setting
When selected, this brings up a dialog box that allows you to set the IDE programmed I/O cycles so that multiple
sectors are transferred in a single block. The options are Disabled, 4 Sectors/Block, 8 Sectors/Block, or Auto
Detected. The default is Auto Detected. Check the specifications for your hard disk drive to determine which
setting will provide the optimum performance for your drive.
Fast Programmed I/O Modes
When selected, this brings up a dialog box that allows you to set how fast transfers on the PCI IDE interface occur.
The options are Disabled or Auto Detected. The default is Auto Detected. If set to Disabled, transfers occur at an
un-optimized speed. If set to Auto Detected, transfers occur at the maximum speed of the drive and/or the
controller (Mode 4).
PRIMARY IDE SLAVE SUBSCREEN
Please refer to “PRIMARY IDE MASTER SUBSCREEN” section described above.
SECONDARY IDE MASTER SUBSCREEN
Please refer to “PRIMARY IDE MASTER SUBSCREEN” section described above.
SECONDARY IDE SLAVE SUBSCREEN
Please refer to “PRIMARY IDE MASTER SUBSCREEN” section described above.
BOOT OPTIONS SUBSCREEN
First Boot Device
When selected, this brings up a dialog box that allows you to set which device the system checks first to find an
operating system to boot from. The options available are: Disabled, Floppy, Hard Disk, CD-ROM, and Network.
The default is Floppy.
Second Boot Device
When selected, this brings up a dialog box that allows you to set which device the system checks second to find an
operating system to boot from. The options available are: Disabled, Floppy, Hard Disk, and Network. The default is
Hard Disk.
Third Boot Device
When selected, this brings up a dialog box that allows you to set which device the system checks third to find an
operating system to boot from. The options available are: Disabled, Floppy, Hard Disk, and Network. The default is
Disabled.
Fourth Boot Device
When selected, this brings up a dialog box that allows you to set which device the system checks fourth to find an
operating system to boot from. The options available are: Disabled, Floppy, Hard Disk, and Network. The default is
Disabled.
System Cache
When selected, this brings up a dialog box that allows you to enable or disable both the primary and secondary
cache memory. The options are Enabled or Disabled. The default is Enabled.
Boot Speed
When selected, this brings up a dialog box that allows you to set the system’s boot speed. The options are Deturbo
and Turbo. The default is Turbo. If Turbo is selected, boot-up occurs at full speed. If Deturbo is selected, the board
operates at a slower speed (approximately equivalent to 25 MHz PC-AT). This option is functionally equivalent to
disabling the L1 and L2 caches.
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 33
Num Lock
When selected, this brings up a dialog box that allows you to set the beginning state of the Num Lock feature on
your keyboard. The options are On and Off. The default is Off.
Setup Prompt
When selected, this brings up a dialog box that allows you to turn on the “Press <F1> Key if you want to run
Setup” prompt during the power-up sequence. The options are Enabled and Disabled. The default is Enabled.
Typematic Rate Programming
When selected, this brings up a dialog box that allows you to set the typematic rates. The options are Default and
Override. The default is Default. Choosing Override will enable display of the Typematic Rate Delay and
Typematic Rate paramters described below.
Typematic Rate Delay
When selected, this brings up a dialog box that allows you to set how long it takes for the key-repeat function to
start when you hold down a key on the keyboard. The options are 250, 500, 750, and 1000 millisecond delays. The
default is 250. If Typematic Rate Programming is set to Default, this option will not be visible.
Typematic Rate
When selected, this brings up a dialog box that allows you to set the speed at which characters repeat when you
hold down a key on the keyboard. The higher the number, the faster the characters repeat. The options are 6, 8, 10,
12, 15, 20, 24, and 30 characters per second. The default is 6. If Typematic Rate Programming is set to Default,
this option will not be visible.
ADVANCED SCREEN
This section describes the Setup options found on the Advanced menu screen. If you select certain options from the
Advanced screen (e.g. Peripheral Configuration), the Setup program will switch to a subscreen for the selected option.
Subscreens are described in the sections following the description of the Advanced screen options.
Processor Type
This reports the CPU type. There are no options.
Processor Speed
This reports the clock speed of the CPU. There are no options.
Cache Size
This reports the size of the secondary cache. There are no options. If no secondary cache is installed, this field will
not be displayed.
Peripheral Configuration
When selected, this brings up the Peripheral Configuration subscreen.
Advanced Chipset Configuration
When selected, this brings up the Advanced Chipset Configuration subscreen.
Power Management Configuration
When selected and enabled, this brings up the Advanced Power Management (APM) subscreen.
Plug and Play Configuration
When selected, this brings up the Plug and Play Configuration subscreen.
Advanced/ATX Technical Product Summary •Page 34
PERIPHERAL CONFIGURATION SUBSCREEN
Configuration Mode
When selected, this brings up a dialog box that allows you to set the peripheral configuration yourself, or have the
system do it. The options are Auto and Manual. The default is Auto.
When Auto is selected, the system peripherals are automatically configured during power up. The options below
for the PCI/IDE Interfaces, Floppy Interface, Serial Port 1 and Serial Port 2 Addresses, Serial Port2 IR mode, and
the Parallel Port Address can not be modified. The settings displayed for those options reflect the current state of
the hardware.
If Manual is selected, the options for the PCI IDE Interfaces, Floppy Interface, Serial Port 1 and Serial Port 2
Addresses, Serial Port2 IR mode, and Parallel Port Address can be explicitly configured.
PCI IDE Interface
When selected, this brings up a dialog box that allows you to enable the PCI IDE hard disk interface. The options
are Enabled and Disabled. The default is Enabled. (If Configuration Mode is set to Auto, this option cannot be
modified.)
Floppy Interface
When selected, this brings up a dialog box that allows you to enable the diskette drive interface. The options are
Enabled and Disabled. The default is Enabled. (If Configuration Mode is set to Auto, this option cannot be
modified.)
Serial Port 1 Address
When selected, this brings up a dialog box that allows you to select the address of the serial port. The options are
Disabled; COM1, 3F8h, IRQ4; COM2, 2F8h, IRQ3; COM3, 3E8h, IRQ4; and COM4, 2E8h, IRQ3. (All options
may not be listed if the BIOS detects another serial port.) The default is COM1, 3F8h, IRQ4. If the Configuration
Mode is set to Auto, the Setup program assigns the first free COM port (normally COM1, 3F8h) as the serial port 1
address, regardless of what is selected under the Serial Port 1 Address option. (If Configuration Mode is set to
Auto, this option cannot be modified.)
Serial Port 2 Address
When selected, this brings up a dialog box that allows you to select the address of the serial port. The options are
Disabled; COM1, 3F8h, IRQ4; COM2, 2F8h, IRQ3; COM3, 3E8h, IRQ4; and COM4, 2E8h, IRQ3. (All options
may not be listed if the BIOS detects another serial port.) The default is COM2, 2F8h, IRQ3. If the Configuration
Mode is set to Auto, the Setup program assigns the first free COM port (normally COM2, 2F8h) as the serial port 2
address, regardless of what is selected under the Serial Port 2 Address option. (If Configuration Mode is set to
Auto, this option cannot be modified.)
Serial Port 2 IR Mode
When selected, this dedicates Serial Port 2 for infrared applications. Serial Port 2 also can be enabled with software
from application programs. The default is Disabled. This option is only available when the Configuration Mode is
set to Manual.
Parallel Port Address
When selected, this brings up a dialog box that allows you to select the address of the parallel port. The options
depend on the setting of the Parallel Port Mode parameter (see below). If the Parallel Port Mode is set to
Compatible or Bi-Directional, the options are: Disabled; LPT3, 3BCh, IRQ 7; LPT1, 378h, IRQ 7; LPT2, 278h,
IRQ 7; LPT1, 378h, IRQ 5; LPT3, 3BCh, IRQ5; and LPT2, 278h, IRQ5. If the Parallel Port Mode is set to ECP,
the options are: Disabled; LPT1, 378h, IRQ 7, DMA 3; LPT2, 278h, IRQ 7, DMA 3; LPT1, 378h, IRQ 5, DMA 3;
and LPT2, 278h, IRQ5, DMA 3. If the Parallel Port Mode is set to EPP, the options are: Disabled; LPT1, 378h,
IRQ 7; LPT2, 278h, IRQ 7; LPT1, 378h, IRQ 5; and LPT2, 278h, IRQ5. The default is LPT1, 378h, IRQ 7. If the
Configuration Mode is set to Auto, the setup program assigns LPT1, 378h as the parallel port address, regardless
of what is selected under the Parallel Port Address option. (If Configuration Mode is set to Auto, this option cannot
be modified.)
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 35
Parallel Port Mode
When selected, this brings up a dialog box that allows you to select the mode for the parallel port. The options are
Compatible, Bi-directional, ECP or EPP. The default is Compatible, which means the parallel port will operate in
AT-compatible output mode. Bi-directional means the parallel port will be set for 8-bit bi-directional. When set to
ECP, the port will be configured to support the Enhanced Capabilities Port standard. When set to EPP, the parallel
port will be configured for the Extended Parallel Port standard.
ADVANCED CHIPSET CONFIGURATION SUBSCREEN
Base Memory Size
When selected, brings up a dialog box that allows you to set the size of the base memory. The options are 512 KB
and 640 KB. The default is 640 KB. Note: If ISA LFB Size is set to 1 MB, Base Memory cannot be set to 512 KB.
ISA LFB Size
When selected, this brings up a dialog box that allows you to access memory on the ISA bus instead of baseboard
DRAM in the address range from 15-16 MB. The options are Disabled or 1 MB. The default is Disabled. If this is
set to 1 MB, then the ISA LFB Base Address field will appear. Note: If Base Memory Size is set to 512 KB, ISA
LFB cannot be enabled.
ISA LFB Base Address
This reports the base address of the LFB. There are no options. This field will not appear if the ISA LFB Size is set
to Disabled.
Video Palette Snoop
When selected, this brings up a dialog box that allows you to control the ability of a PCI graphics card to “snoop”
write cycles to an ISA graphics card’s color pallet registers. The options are Enabled and Disabled. The default is
Disabled. Note: Some video capture or TV tuner add-in boards may require this feature to be enabled. Depending
on hardware limitations, this item may not appear.
Latency Timer (PCI Clocks)
When selected, this brings up a dialog box that allows you to control the time an agent on the PCI bus can hold the
bus after another agent has requested the bus. The valid numbers are between 0 and 255. The default is 66.
PCI Burst
This enables or disables support for PCI-to-memory burst mode data transfers. The options are Enabled or
Disabled. The default is Enabled.
SIMM Type Detection
This reports the type of DRAM installed in each of the two memory banks: Fast Page Mode, Extended Data Out
Mode, or None. There are no options.
POWER MANAGEMENT CONFIGURATION
Power Management Configuration enables or disables the Advanced Power Management (APM) support in the
system’s BIOS. Power Management will only work with APM-capable operating systems to manage power
consumption in your system. If Advanced Power Management is set to Disabled, none of the fields in the Advanced
Power Management subscreen will be visible.
IDE Drive Power Down
When selected, this brings up a dialog box that allows you to set any IDE drives to spin down when the system
goes into power managed mode. The options are Enabled and Disabled. The default is Enabled.
Advanced/ATX Technical Product Summary •Page 36
VESA Video Power Down
When selected, this brings up a dialog box that allows you to set the command issued to your graphics card when
the system goes into power managed mode. The command options are Disabled, Standby, Suspend, and Sleep. The
default is Sleep.
Inactivity Timer
This allows you to set how many minutes the system must be inactive before it enters power managed mode. The
range is 0 to 255 minutes. The default is 10 minutes.
Hot Key
This allows you to enter a hot key that, when pressed while holding down the <Ctrl> and <Alt> keys, will cause
the system to enter power managed mode. All alphanumeric keys, punctuation, and spaces are valid.
The Hot Key field is used to define a key which when entered will cause the APM BIOS to ask an APM
(Advanced Power Management) aware Operating Systems to go into immediate power managed mode. There will
be some delay, but the speaker will issue a single tone. The Power LED will blink while the system is in the power
managed mode.
If there is a User Password in effect, then upon going into power managed mode the Num Lock, Caps Lock, and
Scroll Lock LEDs on the keyboard will flash on and off, indicating to the user that the system is in Secure Mode.
In this case the correct password will have to be entered before the user regains control of the system. The user will
not be prompted for the password, and the password will not be echoed to the screen nor will a carriage return be
required. This is true whether the screen is active or inactive at the time the password is entered. The following
table describes how the Power Down hot key interacts with the Security Hot Key.
Power-Down
Hot Key Only
Enabled
Security Hot
Key Only
Enabled
Both Hot Keys
Enabled
Power-Down Hot Key Entered
Security Hot Key Entered
System powers down (can include screen blanking if
enabled)
Powers up when any key/mouse activity is detected
N/A
N/A
System Secure Immediately
System powers down (can include screen blanking if
enabled)
LEDs flash
Input accepted when password typed
Powers up when any key/mouse activity is detected
System Secure Immediately
LEDs flash
Input accepted when password typed
System Secure Immediately
System powers down (can include screen blanking if
enabled)
LEDs flash
Input accepted when password typed
Powers up when any key/mouse activity is detected
PLUG AND PLAY CONFIGURATION SUBSCREEN
Configuration Mode
When selected, this brings up a dialog box that allows you to set how the BIOS gets information about ISA cards
that do not have plug and play capabilities. The options are “Use Setup Utility” and “Use ICU” (ISA Configuration
Utility). The default is “Use Setup Utility”.
If “Use ICU” is selected, the assumption is some type of Plug and Play configuration utility, rather than the system
BIOS, will be used to initialize the system peripherals.
If “Use Setup Utility” is selected, the system peripherals are fully configured by the system BIOS and not the
operating system. "Boot With PnP OS" will not be visible in this case.
Boot With PnP OS
When selected, this brings up a dialog box that allows you to specify how the Plug and Play devices are configured.
The options are Disabled, Other, and Windows 95. The default is Windows* 95.
If set to Disabled, the system peripherals are fully configured by the system BIOS and not the operating system, just
like in “Use Setup Utility”.
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 37
If the user selects Windows* 95, it is expected that the user is running Windows* 95. Resources are assigned in
such a way that Windows* 95 may easily reconfigure them to resolve the potential conflicts. Following is the order
in which the devices are allocated resources:
Baseboard fixed - Basic Static ISA Legacy devices such as Keyboard, Video, RTC, etc.
PnP Add in Cards - ISA PnP Devices like some audio solutions, and PnP adapters
Dynamic Baseboard Devices - Relocatable Devices such Comm, and LPT ports
PCI Devices - includes both PCI expansion cards and on-board PCI devices such as the IDE controller.
If the user selects Other, only a few devices are enabled by the system BIOS, and they are: an input device, an
output device, and an IPL. The input device will usually be the keyboard, the output device is usually the video,
and IPL is the first boot device found. The order at which each set of devices are initialized is as follows:
Baseboard fixed - Basic Static ISA Legacy devices such as Keyboard, Video, RTC, etc.
PnP Add in Cards - ISA PnP Devices like some audio solutions, and PnP adapters
PCI Devices - includes both PCI expansion cards and on-board PCI devices such as the IDE controller.
Dynamic Baseboard Devices - Relocatable Devices such Comm, and LPT ports
ISA Shared Memory Size
When selected, this brings up a dialog box that allows you to specify a range of memory addresses that will be
directed to the ISA bus rather than on-board memory. The options are Disabled, 16 KB, 32 KB, 48 KB, 64 KB, 80
KB and 96 KB. The default is Disabled. If this is set to Disabled, "ISA Shared Memory Base Address", below, will
not be visible.
This field should be set to Enabled only when a non Plug and Play ISA card (legacy card) is used that requires
non-ROM memory space. LAN cards that have on-board memory buffers are one example of this, video capture
cards that have video buffer memory are another.
By default, allocation of upper memory is as follows: Memory from C0000-C7FFF is automatically shadowed.
(This memory range is typically reserved for Video BIOS.) Memory from C8000-DFFFFh is initially unshadowed.
The BIOS will scan this range for any ISA expansion card BIOSes that may be present and note the location and
size. The BIOS will then autoconfigure the PCI and Plug and Play devices, shadowing the ROM requirements
(other than video) into the area above E0000h until that area is full. It will then assign additional PCI and Plug and
Play expansion cards to the area between C8000h and DFFFFh. If an ISA legacy card has non-ROM memory
requirements, the autoconfigure routine may write into an area that is needed by the ISA expansion card. The ISA
Shared Memory Size parameter is used to signify to the autoconfigure routine that this block of memory is
reserved and should not be shadowed. (Shadowing is a technique which copies a block of memory from an add in
card’s ROM to the same address in system DRAM memory to allow faster access to the code and achieve higher
performance.)
ISA Shared Memory Base Address
When selected, this brings up a dialog box that allows you to set the base address for the ISA Shared Memory. The
options are C8000h, CC000h, D0000h, D4000h, and D8000h. The default is C8000h. This setting may affect the
ISA Shared Memory Size item. The value entered in the ISA Shared Memory Size item cannot extend into the
E0000h address. For example, if a size of 64K was selected, options D4000h, and D8000h will not be available.
IRQ 3, 4, 5, 7, 9, 10, 11, 12
When selected, this brings up a dialog box that allows you to set the status of specific IRQs. The options are
Available and Used By ISA Card. The default is Available. The auto-configuration code looks here to see if these
interrupts are available. If an interrupt is available, the auto-configuration code can assign the interrupt to be used
by PCI or Plug and Play devices. If your system contains an ISA agent that uses one of these interrupts, select Used
By ISA Card for that particular interrupt.
Some of these interrupts may not be displayed if they already have been assigned to other peripherals, such as IRQ
3 and IRQ 4, which are normally used by the serial ports, and IRQ 12 for the mouse port.
Note: If PCI add-in cards are used, all but one IRQ can be set to Used By ISA Card; one must remain available in
order for PCI cards which use interrupts to function correctly.
Advanced/ATX Technical Product Summary •Page 38
Note: IRQ 14 and IRQ 15 will not show up as user available. If the on-bd IDE controller is not used, these
interrupts are available for use by ISA cards, even though they do not show up in the list above. These interrupts
can not be used for PCI cards.
SECURITY SCREEN
The objectives of the BIOS security system are to:
1. Keep unwanted individuals from accessing the computer.
2. Limit the fields that can be accessed in the CMOS Setup Utility program.
3. Allow the computer to boot while unattended and still be secure.
4. Set up a hot key to invoke the security system immediately.
The security system is implemented using two passwords in tandem, a User Password and an Administrative
Password. The level of security available is dependent on whether one or both passwords are set and which password is
used to enter the system. It is assumed that if the Administrative Password is used, it is controlled by a central
corporate information services or security organization and that the Administrative Password and User Password will
have been set prior to the end user receiving the system.
To meet each of the objectives above, the following procedure is recommended:
1. End user sets/resets User Password and sets the Unattended Start parameter to Disabled. User will be
prompted for a password, and must enter the correct password before the boot process is allowed to complete or
before the user is allowed to enter Setup.
2. The Administrative Password is set prior to end user receiving system; no action required by end user. No
password is required to complete the boot process, the user will be prompted for the correct password before
being allowed to enter Setup.
3. End user sets User Password then Enables Unattended Start. If User Password had previously been set, user
Enables Unattended Start. System will complete the boot process and start the operating system. The user must
enter the correct User Password (not the Administrative Password) before input will be accepted from either
the mouse or the keyboard. The password does not need to be followed by a carriage return. The user will not be
prompted for a password, however the keyboard LEDs (Num Lock, Caps Lock, and Scroll Lock) will blink
indicating the system is in secure mode. The user will be prompted for the correct password before being allowed
to enter Setup.
4. End user sets User Password then Enables Security Hot Key. If User Password had previously been set, user
Enables Security Hot Key. The user can place the system in to secure mode at any time by typing the specified
keystroke combination ( <CTL> <ALT> <user specified> ). Once the system is in secure mode, the user will
need to enter the correct User Password (not the Administrative Password) before input will be accepted from
either the mouse or the keyboard. The password does not need to be followed by a carriage return. The user will
not be prompted for a password, however the keyboard LEDs (Num Lock, Caps Lock, and Scroll Lock) will
blink indicating the system is in secure mode.
Able To Set
Able To Set
Password in Effect
Password Needed Password Needed Able To Access All
at Boot?
to Access Setup?
Setup Fields?
Unattended Start?
Security Hot Key?
User only
Administrative only
Both -- User password used
Both -- Admin password used
No password enabled
Yes
No
Yes
Yes
No
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
No
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 39
SECURITY SCREEN OPTIONS
User Password is
This reports if there is a User password set. There are no options.
Administrative Password is
This reports if there is an Administrative password set. There are no options.
Set User Password
When selected, this brings up a dialog box that allows you to set the User password.
Set Administrative Password
When selected, this brings up a dialog box that allows you to set the Administrative password.
Unattended Start
When selected, this brings up a dialog box that allows you to control when the security password is requested. The
options are Enabled and Disabled. The default is Disabled. The User password must be enabled before you can
enable this option. If Enabled is selected, the system will boot, but the keyboard will be locked until the User
password is entered.
Security Hot Key (CTRL-ALT-)
This allows you to set a hot key that, when pressed, will lock the keyboard until the User password is entered.
EXIT SCREEN
Exit Saving Changes
When selected, this allows you to save the change to CMOS and exit the Setup program. You can also press the
<F10> key anywhere in the Setup program to do this.
Exit Discarding Changes
When selected, this allows you to exit the Setup program without saving any changes. This means that any changes
made while in the Setup program will be discarded and NOT SAVED. Pressing the <Esc> key in any of the four
main screens will do this.
Load Setup Defaults
When selected, this allows you to reset all of the setup options to their defaults. You can also press the <F5> key
anywhere in the Setup program to do this. This selection loads the default values from the ROM table.
Discard Changes
When selected, this allows you to discard any changes you made during the current Setup session without exiting
the program. You can also press the <F6> key anywhere in the Setup program to do this. This selection loads the
CMOS values that were present when the system was turned on.
Advanced/ATX Technical Product Summary •Page 40
Appendix I − PCI Configuration Error Messages
The following PCI messages are displayed as a group with bus, device and function information.
<'NVRAM Checksum Error, NVRAM Cleared'>, \ ; String
<'System Board Device Resource Conflict'>, \ ; String
<'Primary Output Device Not Found'>, \ ; String
<'Primary Input Device Not Found'>, \ ; String
<'Primary Boot Device Not Found'>, \ ; String
<'NVRAM Cleared By Jumper'>, \ ; String
<'NVRAM Data Invalid, NVRAM Cleared'>, \ ; String
<'Static Device Resource Conflict'>, \ ; String
The following messages chain together to give a message such as:
"PCI I/O Port Conflict: Bus: 00, Device 0D, Function: 01".
If and when more than 15 PCI conflict errors are detected, the log full message is displayed.
<'PCI I/O Port Conflict:'>, \ ; String
<'PCI Memory Conflict: '>, \ ; String
<'PCI IRQ Conflict: '>, \ ; String
<' Bus '>, \ ; String
<', Device '>, \ ; String
<', Function '>, \ ; String
<'PCI Error Log is Full.'>, \ ; String
<'Floppy Disk Controller Resource Conflict '>, \ ; Text
<'Primary IDE Controller Resource Conflict '>, \ ; Text
<'Secondary IDE Controller Resource Conflict '>, \ ; Text
<'Parallel Port Resource Conflict '>, \ ; Text
<'Serial Port 1 Resource Conflict '>, \ ; Text
<'Serial Port 2 Resource Conflict '>, \ ; Text
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 41
Appendix J − AMIBIOS Error messages and Beep Codes
Errors can occur during POST (Power On Self Test) which is performed every time the system is powered on. Fatal
errors, which prevent the system from continuing the boot process, are communicated through a series of audible beeps.
Other errors are displayed in the following format:
ERROR Message Line 1
ERROR Message Line 2
For most displayed error messages, there is only one message. If a second message appears, it is "RUN SETUP". If this
message occurs, press <F1> to run Setup Utility.
BEEP CODES
Beeps
Error Message
1 long,
2 short
1 long,
3 short
1 long,
x short
No video card found
1
2
3
4
5
6
7
8
9
10
11
Description
Applies only to baseboards with no on-bd video.
No Monitor connected
Video related failure
Applies only to baseboards with on-bd video present.
Other video beep codes may exist and are tied to specific video BIOS implementations.
Contact the vendor for details should the need arise.
Refresh Failure
Parity Error
Base 64 KB Memory Failure
Timer Not Operational
Processor Error
8042 - Gate A20 Failure
Processor Exception Interrupt Error
Display Memory Read/Write Error
ROM Checksum Error
CMOS Shutdown Reg Rd/Wrt Error
Cache Error / External Cache Bad
The memory refresh circuitry on the baseboard is faulty.
Parity is not supported on this product, will not occur.
Memory failure in the first 64 KB.
Memory failure in the first 64 KB of memory, or Timer 1 on the baseboard is not functioning.
The CPU on the baseboard generated an error.
The keyboard controller (8042) may be bad. The BIOS cannot switch to protected mode.
The CPU generated an exception interrupt.
System video adapter is either missing or its memory is faulty. This is not a fatal error.
ROM checksum value does not match the value encoded in BIOS.
The shutdown register for CMOS RAM failed.
The external cache is faulty.
ERROR MESSAGES
Error Message
8042 Gate - A20 Error
Address Line Short!
Cache Memory Bad, Do Not Enable
Cache!
CH-2 Timer Error
CMOS Battery Failure
CMOS Checksum Failure
CMOS System Options Not Set
CMOS Display Type Mismatch
CMOS Memory Size Mismatch
CMOS Time and Date Not Set
Diskette Boot Failure
Display Switch Not Proper
DMA Error
Explanation
Gate A20 on the keyboard controller (8042) is not working. Replace the 8042.
Error in the address decoding circuitry on the baseboard.
Cache memory is defective. Replace it.
Most AT systems include two timers. There is an error in timer 2.
CMOS RAM is powered by a battery. The battery power is low. Replace the battery.
After CMOS RAM values are saved, a checksum value is generated for error checking. The previous
value is different from the current value. Run AMIBIOS Setup.
The values stored in CMOS RAM are either corrupt or nonexistent. Run Setup.
The video type in CMOS RAM does not match the type detected by the BIOS. Run AMIBIOS Setup.
The amount of memory on the baseboard is different than the amount in CMOS RAM. Run AMIBIOS
Setup.
Run Standard CMOS Setup to set the date and time in CMOS RAM.
The boot disk in floppy drive A: is corrupt. It cannot be used to boot the system. Use another boot disk
and follow the screen instructions.
The display jumper is not implemented on this product, this error will not occur.
Error in the DMA controller.
Advanced/ATX Technical Product Summary •Page 42
ERROR MESSAGES (CONT.)
DMA #1 Error
DMA #2 Error
FDD Controller Failure
HDD Controller Failure
INTR #1 Error
INTR #2 Error
Invalid Boot Diskette
Keyboard Is Locked...Unlock It
Keyboard Error
KB/Interface Error
Off Board Parity Error
Error in the first DMA channel.
Error in the second DMA channel.
The BIOS cannot communicate with the floppy disk drive controller. Check all appropriate connections
after the system is powered down.
The BIOS cannot communicate with the hard disk drive controller. Check all appropriate connections
after the system is powered down.
Interrupt channel 1 failed POST.
Interrupt channel 2 failed POST.
The BIOS can read the disk in floppy drive A:, but cannot boot the system. Use another boot disk.
The keyboard lock on the system is engaged. The system must be unlocked to continue.
There is a timing problem with the keyboard. Set the Keyboard option in Standard CMOS Setup to Not
Installed to skip the keyboard POST routines.
There is an error in the keyboard connector.
Parity error in memory installed in an expansion slot. The format is:
OFF BOARD PARITY ERROR ADDR (HEX) = (XXXX)
XXXX is the hex address where the error occurred.
On Board Parity Error
Parity Error ????
Parity is not supported on this product, this error will not occur.
Parity error in system memory at an unknown address.
ISA NMI MESSAGES
ISA NMI Message
Explanation
Memory Parity Error at xxxxx
Memory failed. If the memory location can be determined, it is displayed as xxxxx. If not, the message is
Memory Parity Error ????.
An expansion card failed. If the address can be determined, it is displayed as xxxxx. If not, the
message is I/O Card Parity Error ????.
I/O Card Parity Error at xxxxx
DMA Bus Time-out
A device has driven the bus signal for more than 7.8 microseconds.
Appendix K − BIOS Updates
The Advanced/ATX incorporates the AMIBIOS in a Flash memory component. Flash BIOS allows easy upgrades
without the need to replace an EPROM. The upgrade utility fits on a floppy diskette and provides the capability to save,
verify, and update the system BIOS. The upgrade utility also provides the capability to install alternate languages for
BIOS messages and the SETUP utility. The upgrade utility can be run from a hard drive or a network drive, but no
memory managers can be installed during upgrades.
The latest upgrade utility and BIOS code are available from your service provider or from the Intel Applications
Support bulletin board.
Using the upgrade utility
If the utility is obtained from the bulletin board, UNZIP the archive and copy the files to a bootable MS-DOS 3.3, 4.01,
5.0, or 6.x diskette. Reboot the system with the upgrade diskette in the bootable floppy drive and follow the directions
in the easy to use menu-driven program.
Prior to starting the update, the user must make a note of the current SETUP parameters. After the update completes,
CMOS memory should be reset to default values by entering SETUP and hitting the <F5> key. The user may then reenter his original values. CMOS memory must be reset to default values because the mapping of the parameters to
specific CMOS memory locations may change from one version of BIOS to the next. If CMOS memory is not reset,
erratic operation can occur.
BIOS Recovery
In the unlikely event a problem occurs during the FLASH update process and the BIOS is not programmed correctly so
that the system cannot boot, the board must be returned to a repair facility since there is no recovery code located in the
FLASH device. A PCI card has been designed that allows a recovery process to take place and the BIOS to be
programmed correctly.
NOTE: Flash Recovery Boot option is not supported on the Advanced/ATX.
INTEL CONFIDENTIAL REVISION 6.0P ADVANCED/ATX TECHNICAL PRODUCT SUMMARY PAGE 43
Appendix L − Soft-off Control
The Advanced/ATX design supports Softoff control via the SMM code in the BIOS. The CS1 pin out of the National
82306B I/O controller is connected to the Softoff control line in the power supply circuit.
The registers in the 82306 I/O controller that sets the I/O address and control of the CS1 pin are NOT setup until the
SMM code is activated. The code performs the following operations:
OUT 0Ch to I/O port 2Eh
OUT 75h to I/O port 2Fh
OUT 11h to I/O port 2Eh
OUT 00h to I/O port 2Fh
OUT 0Dh to I/O port 2Eh
OUT A0h to I/O port 2Fh
After setting the above registers, any read operation to I/O location 75H will trigger the Softoff circuit and turn the power
supply off.
Appendix M − Environmental Standards
Parameter
Condition
Specification
Non-Operating
Operating
-40°C to +70°C
+0°C to +55°C (min. airflow of 200 LFM)
Temperature
Voltage
+5
-5
+12
-12
+3.3
Shock
+/- 5%
+/- 5%
+/- 5%
+/- 5%
+/- 5%
Non-Operating
Unpackaged
Packaged
Trapezoidal, 50.0G, 11ms
Half sine, 2ms, 36" simulated free fall height
Unpackaged
Packaged
5 Hz - 500 Hz, 3.1 gRMS random
10 Hz - 500 Hz, 1.0 gRMS random
Vibration
Table M-1. Environmental standards
Appendix N − Reliability Data
The Mean-Time-Between-Failures (MTBF) data is calculated from predicted data @ 55°C.
Advanced/ATX baseboard
Advanced/ATX Technical Product Summary •Page 44
72,748 Hours
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