EP-BX3
A Pentium ® II or Deschutes
Slot1 Processor based AGP
mainboard (100/66MHz)
TRADEMARK
All products and company names are trademarks or
registered trademarks of their respective holders.
These specifications are subject to change without
notice.
Manual Revision 1.0
November 18, 1998
EP-BX3
EP-BX3
Technical Support Services
If you need additional information, help during installation or normal use of this
product, please contact your retailer. If your retailer can not help, you may E-Mail us
with any questions at the following address tech@epox.com
Record your serial number before installing your EP-BX3 mainboard. (the serial
number is located near the ISA slots at the edge of the board)
EP-BX3 serial number:
__________________________
BIOS Upgrades
Please use either our Web Site or BBS for current BIOS Upgrades.
Internet Access
http://www.epox.com
http://www.epox.com.tw
sales@epox.com
tech@epox.com
Modem Access
31-182-618451 (The Netherlands)
You can access this number via a Hayes-compatible modem with a 2,400 to
28,800 baud rate. The following setup format is required:
8 Data Bits, No Parity, 1 Stop Bit.
If your modem is unable to connect at higher baud rates, try connecting at
2,400 baud before contacting Technical Support.
Thank you for using EPoX mainboards!
© Copyright 1998 EPoX Computer Company. All rights reserved.
EP-BX3
User Notice
No part of this product, including the product and software may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language
in any form by any means without the express written permission of EPoX Computer
Company (hereinafter referred to as EPoX) except documentation kept by the
purchaser for backup purposes.
EPoX provides this manual “as is” without warranty of any kind, either express or
implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall EPoX be liable for any
loss or profits, loss of business, loss of use or data, interruption of business or for
indirect, special incidental, or consequential damages of any kind, even if EPoX has
been advised of the possibility of such damages arising from any defect or error in
the manual or product. EPoX may review this manual from time to time without
notice. For updated BIOS, drivers, or product release information you may visit
EPoX’s home page at: http://www.epox.com
Products mentioned in this manual are mentioned for identification purposes only.
Product names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies.
The product name and revision number are both printed on the mainboard
itself.
Handling Procedures
Static electricity can severely damage your equipment. Handle the EP-BX3
and any other device in your system with care and avoid unneccessary contact with
system components on the mainboard.
Always work on an antistatic surface to avoid possible damage to the motherboard
from static discharge.
We assume no responsibility for any damage to the EP-BX3 mainboard that results
from failure to follow installation instructions or failure to observe safety precautions.
CAUTION
The EP-BX3 mainboard is subject to
damage by static electricity. Always
observe the handling procedures.
EP-BX3
Table of Contents
Section 1
Introduction
Components Checklist .................................... 1-1
Overview
Pentium II or Deschutes Processor .................. 1-2
S.E.C. Cartridge Terminology ......................... 1-3
Accelerated Graphics Port .............................. 1-4
Hardware Monitoring ..................................... 1-4
EP-BX3 Form-Factor .................................... 1-6
I/O Shield Connector ...................................... 1-7
Power-On/Off (Remote) ................................. 1-7
System Block Diagram ................................... 1-8
Section 2
Features
EP-BX3 Features ........................................... 2-1
Section 3
Installation
EP-BX3 Detailed Layout ................................ 3-2
Easy Installation Procedure
Configure Jumpers .......................................... 3-3
System Memory Configuration ........................ 3-5
Installing a Pentium® II Processor .................... 3-9
Device Connectors ......................................... 3-10
External Modem Ring-in Power ON and
Keyboard Power ON Function (KBPO) ........ 3-12
Section 4
Award BIOS Setup
BIOS Instructions ........................................... 4-1
Standard CMOS Setup .................................. 4-2
BIOS Features Setup ..................................... 4-3
Chipset Features Setup ................................... 4-8
EP-BX3
Power Management Setup .............................. 4-12
PNP/PCI Configuration .................................. 4-16
Load Setup Defaults ....................................... 4-18
Integrated Peripherals ..................................... 4-18
Change Supervisor or User Password ............. 4-23
IDE HDD Auto Detection ............................... 4-24
HDD Low Level Format ................................. 4-26
Save & Exit Setup .......................................... 4-26
Exit Without Saving ......................................... 4-26
Appendix
Appendix A
Memory Map ................................................. A-1
I/O Map ......................................................... A-1
Timer & DMA Channels Map ......................... A-2
Interrupt Map ................................................. A-2
RTC & CMOS RAM Map ............................ A-3
Appendix B
POST Codes ................................................. A-5
Unexpected Errors ......................................... A-8
Appendix C
Load Setup Defaults ....................................... A-9
Appendix D
CPU Clock Frequency Selection In BIOS Setting
...................................................................... A-10
EP-BX3
Introduction
Section 1
INTRODUCTION
Components Checklist
ü
ü
ü
ü
ü
ü
A.
(1)
EP-BX3 mainboard
B.
(1)
EP-BX3 user’s manual
C.
(1)
Floppy ribbon cable
D.
(1)
Hard drive ribbon cables
E.
F.
(1)
(1)
Foldable Retention Module
Heatsink Support Unit (Optional)
G.
(1)
PS/2 to AT keyboard connector adapter (optional)
H.
(1)
(1)
Bus master drivers
USDM
USERS
MANUAL
C
G
EP-BX3
25 26
D
A
B
Top Half
Bottom Half
E
F
or
H
Page 1-1
Introduction
EP-BX3
Overview
Pentium II or Deschutes Processor
The Pentium® II or Deschutes Processor (The Deschutes Processor as 300/
100MHz, 350/100MHz, 400/100MHz and 450/100MHz speed with 512K-L2 cache
Versions.) is the follow-on to the Pentium® Processor. The Pentium® II or
Deschutes Processor, like the Pentium® Pro processor, implements a Dynamic
Execution micro-architecture -- a unique combination of multiple branch prediction,
data flow analysis, and speculative execution. This enables the Pentium® II Processor to deliver higher performance than the Pentium® processor, while maintaining
binary compatibility with all previous Intel architecture processors.
A significant feature of the Pentium® II or Deschutes Processor, from a system
perspective, is the built-in direct multiprocessing support. In order to achieve
multiprocessing, and maintain the memory and I/O bandwidth to support it, new
system designs are needed. For systems with dual processors, it is important to
consider the additional power burdens and signal integrity issues of supporting
multiple loads on a high speed bus. The Pentium® II or Deschutes Processor card
supports both uni-processor and dual processor implementations.
The Pentium® II or Deschutes Processor utilizes Single Edge Contact (S.E.C.)
(Figure 1) cartridge packaging technology. The S.E.C. cartridge allows the L2 cache
to remain tightly coupled to the processor, while maintaining flexibility when implementing high performance processors into OEM systems. The second level cache is
performance optimized and tested at the cartridge level. The S.E.C. cartridge utilizes
surface mounted core components and a printed circuit board with an edge finger
connection. The S.E.C. cartridge package introduced on the Pentium® II Processor
will also be used in future Slot 1 processors.
The S.E.C. cartridge has the following features: a thermal plate, a cover and a PCB
with an edge finger connection. The thermal plate allows standardized heatsink
attachment or customized thermal solutions. The thermal plate enables a reusable
heatsink to minimize fit issues for serviceability, upgradeability and replacement. The
full enclosure also protects the surface mount components. The edge finger connection maintains socketabilty for system configuration. The edge finger connector is
denoted as ‘Slot 1 connector’ in this and other documentation.
The entire enclosed product is called the Pentium® II or Deschutes Processor. The
Page 1-2
EP-BX3
Introduction
packaging technology and each of the physical elements of the product are referred
to using accurate technical descriptions. This allows clear reference to the products
as just a processor. This is the model used in past packaging technologies like PGA,
TCP, PQFP, DIP, etc.
S.E.C. Cartridge Terminology
•
•
•
•
•
•
•
•
Pentium® II or Deschutes Processor
The new enclosed card packaging technology is called a “Single Edge
Contact cartridge.” This is similar to previous names for packaging
technology such as PGA or TCP.
Processor card
The green PCB (with or without components on it)
Processor core
The silicon on the PLGA package on the PCB
Cover
The plastic cover on the opposite side from the thermal plate.
Slot 1
The slot that the S.E.C. cartridge plugs into, just as the Pentium® Pro
processor uses Socket 8.
Retention mechanism
Formerly ‘retention module’ the dual posts, etc. that holds the cartridge
in place.
Thermal plate
The heatsink attachment plate.
Heat sink supports
The support pieces that are
Thermal Plate
mounted on the mainboard
to provide added support for
Cover
heatsinks.
The L2 cache (TagRAM, PBSRAM)
components keep standard industry
names.
Processor
The Pentium® II or Deschutes Processor
Printed
Circuit
Board
is the first product to utilize the S.E.C.
cartridge technology and Slot 1
Figure 1: Pentium® II or Deschutes
connector. Unless otherwise noted, any Processor CPU with S.E.C. Cartridge
references to “Pentium® II Processor,”
Page 1-3
Introduction
EP-BX3
“Pentium® II or Deschutes Processor/Slot 1 processor” or “Deschutes Processor”
will apply to both the Pentium® II Processor desktop processors.
Accelerated Graphics Port
(AGP or A.G.P.)
Typically, 3D graphics rendering requires a tremendous amount of memory, and
demands ever increasing throughput speed as well. As 3D products for the personal
computer become more and more popular, these demands will only increase. This
will cause a rise in costs for both end users and manufacturers. Lowering these
costs as well as improving performance is the primary motivation behind AGP. By
providing a massive increase in the bandwidth available between the video card and
the processor, it will assist in relieving some of these pressures for quite sometime.
Hardware Monitoring
Hardware monitoring allows you to monitor various aspects of your systems operations and status. The features include CPU temperature, voltage and RPM of fan.
Page 1-4
EP-BX3
Introduction
Page Right Blank
Page 1-5
Introduction
EP-BX3
EP-BX3 Form-Factor
The EP-BX3 is designed with ATX form factor - the latest industry standard of
chassis. The ATX form factor is essentially a Baby-AT baseboard rotated 90
degrees within the chassis enclosure and a new mounting configuration for the power
supply. With these changes the processor is relocated away from the expansion slots,
allowing them all to hold full length add-in cards. ATX defines a double height
aperture to the rear of the chassis which can be used to host a wide range of
onboard I/O. Only the size and position of this aperture is defined, allowing PC
manufacturers to add new I/O features (e.g.; TV input, TV output, joystick, modem,
LAN, audio, etc.) to systems. This will help systems integrators differentiate their
products in the marketplace, and better meet your needs.
•
By integrating more I/O down onto the board and better positioning the hard
drive and floppy connectors material cost of cables and add-in cards is reduced.
•
By reducing the number of cables and components in the system, manufacturing
time and inventory holding costs are reduced and reliability will increase.
•
By using an optimized power supply, it's possible to reduce cooling costs and
lower acoustical noise. An ATX power supply, which has a side-mounted fan,
allows direct cooling of the processor and add-in cards making a secondary fan
or active heatsink unnecessary in most system applications.
Expandable I/O
ATX
Power
Supply
Full length
slots
Single chassis
fan for
system
CPU located near
Power Supply
25 26
ATX power
connector
Floppy / IDE
connectors
close to
peripheral
bays
Page 1-6
3 1/2"
Bay
5 1/4"
Bay
Figure 2: Summary of ATX chassis features
EP-BX3
Introduction
I/O Shield Connector
The EP-BX3 is equipped with an I/O back panel. Please use the appropriate I/O
shield (figure 3).
Parallel Port
Figure 3:
EP-BX3
I/O back
panel layout
PS/2 Mouse
PS/2 Keyboard
USB
COM1
COM2
Power-On/Off (Remote)
The EP-BX3 has a single 20-pin connector for ATX power supplies. For ATX
power supplies that support the Remote On/Off feature, this should be connected to
the systems front panel for system Power On/Off button. The systems power On/
Off button should be a momentary button that is normally open.
The EP-BX3 has been designed with “Soft Off" functions. You can turn Off the
system from one of two sources: The first is the front panel Power On/Off button,
and the other is the "Soft Off" function (coming from the EP-BX3’s onboard circuit
controller) that can be controlled by the operating system. Windows 95/98 will
control this when the user clicks that they are ready to Shutdown the system.
25 26
J3
EP-BX3 Board
Case (chassis) Power
ON/OFF button
ATX
POWER SUPPLY
Figure 4: Simple ATX Power
ON/OFF Controller
Page 1-7
Introduction
EP-BX3
System Block Diagram
P e n tiu m II or
D e sch utes
P ro ce ssor
1 0 0 /6 6 M Hz
6 6 M Hz
PAC
PCI Bridge
and m em ory
controller
4 4 3 BX
PllX4 E
I/O Bridg e
Figure 5: System Block Diagram
Page 1-8
1 0 0 /6 6 M Hz
EP-BX3
Features
Section 2
FEATURES
EP-BX3 Features:
• EP-BX3 is based on the Pentium® II or Deschutes Processor operating at 233
~ 333MHz (66MHz) or 300 ~ 450MHz (100MHz) on Slot 1. The board is
configured by an Easy-Setting-Daul-Jumper (E.S.D.J.) to match your CPU
clock speed.
• Designed with Intel’s 82443 BX AGPset.
• Supports up to 768 Mega of DRAM (minimum of 16 MB) on board, You can
use 168-pin DIMM x 3. It will automatically detect Extended Data Output
(EDO) DRAM at 66MHz only or Synchronous DRAM memory (SDRAM) at
66MHz or 100MHz (please see Section 3-2).
• EP-BX3 will support Error Checking and Correcting (ECC) when using paritys
DRAM memory modules. This will detect multiple bit errors and correct 1-bit
memory errors.
• Supports (2) 16 bit ISA slots, (5) 32 bit PCI slots, (1) AGP slot and provides
(2) independent high performance PCI IDE interfaces capable of supporting
PIO Mode 3/4 and Ultra DMA 33 devices. The EP-BX3 supports (5) PCI
Bus Master slots and a jumperless PCI INT# control scheme which reduces
configuration confusion when plugging in PCI card(s).
• Supports ATAPI (e.g. CD-ROM) devices on both Primary and Secondary IDE
interfaces.
• Designed with Winbond W83977TF Multi I/O: (1) floppy port, (1) parallel port
(EPP, ECP), and (2) serial ports (16550 Fast UART).
Note: Japanese “Floppy 3 mode” is also supported
• Includes a PS/2 mouse connector.
• Allows use of a PS/2 keyboard.
• Features Award Plug & Play BIOS. With Flash Memory you can always
upgrade to the current BIOS as they are released. (http://www.epox.com
please visit our Technical Support section for the latest updates)
Page 2-1
Features
EP-BX3
• EP-BX3 utilizes a Lithium battery which provides environmental protection and
longer battery life.
• Supports the Universal Serial Bus (USB) connector. The onboard PIIX4E chip
provides the means for connecting PC peripherals such as; keyboards,
joysticks, telephones, and modems.
• Built-in ATX 20-pin power supply connector.
• Software power-down when using Windows® 95/98.
• Supports ring-in feature (remote power-on through external modem, allows
system to be turned on remotely.
• Resume by Alarm - Allows your system to turn on at a preselected time.
• Power Loss Recovery - In the event of a power outtage your system will
automatically turn itself back on without user intervention.
• Supports CPU Hardware sleep and SMM (System Management Mode).
• Supports Desktop Management Interface (DMI) facilitating the management
of desktop computers, hardware and software components and peripherals,
whether they are stand-alone systems or linked into networks. (optional)
• Supports Hot key, Any key or password Keyboard power ON function
(KBPO).
• Supports USDM software to offer motherboard various status on Windows®
95/98, or Windows® NT 4.0/5.0.
• Supports the CPU, PWR and Chassis fan Auto stop in sleep mode.
• Supports the System Power LED (PANEL) blinks in the sleep mode.
• Built-in WOL (Wake On Lan) Connector.
• Built-in SB-LINK Header for Creative Blaster® AWE64D PCI Bus Sound
Card.
Page 2-2
EP-BX3
Installation
Section 3
INSTALLATION
Page 3-1
Installation
EP-BX3
Keyboard
Bank 2
J5
ATX Power Input
(Bottom)
USB 1
(Top)
USB 0
(Bottom)
J3
FDD1
+
IR CONN.
1
5
KEYLOCK
1
SPK
RESET
IDE2 IDE1
PCI Slot #1
PCI Slot #2
Battery
J8
SB_Link
PCI Slot #4
PCI Slot #5
ISA Slot #1
ISA Slot #2
Figure 1
Page 3-2
1
JP1
JP3
1 2
ESDJ
Flash Memory
for BIOS
PCI Slot #3
J6
CHASSIS FAN
Winbond
83977
I/Oset
AGP SLOT
J7:WOL
25 26
POWER_ON
+
Secondary IDE
JP13
DIMM 1
DIMM 2
DIMM 3
Parallel Port
COM 2
COM 1
USB
POWER
FAN
J4
(Top)
CPU Cartridge SLOT 1
PS/2
Bank 1
CPU FAN
Mouse
Bank 0
EP-BX3 Detailed Layout
3X
3.5X
4X
4.5X
5X
5.5X
AUTO
66MHz
100MHz
103MHz
112MHz
124MHz
133MHz
J2
EP-BX3
Installation
Easy Installation Procedure
Easy Installation Procedure
The following must be completed before powering on your new system:
3-1.
3-2.
3-3.
3-4.
Configure Jumpers to match your hardware
Install memory chips
Install Pentium II or Deschutes Processor
Device Connectors
Section 3-1
Configure Jumpers
We design this mainboard with the an ESDJ to make your install fast and easy.
The following will describe all of the ESDJ that you are required to set before moving
on to step 3-2.
Note: The ESDJ as depicted as shown (Figure 1) in their correct physical
orientation.
JP1
1
3
JP13
1
3
C M O S C lea r
JP1
= 1 -2 - R u n M o d e (D e fa u lt)
= 2 -3 - C le a r C M O S (m o m en ta rily )
K ey b o a rd P o w e r -O N fu n ctio n (re fer th e sec tio n 3 -5 )
J P 1 3 = 1 -2 - E n a b le d
= 2 -3 - D isa b led (D efa u lt)
J7
W O L (W a k up O n L a n ) C o nn e c to r
R eser v ed fo r N IC (N etw o rk In te rfa ce C a rd ) to
W a k e th e S y s te m .
J8
S B -L I N K H ea d er
R eser v ed fo r C re a tiv e S B -L I N K (S o u n d B la ster
L I N K ) w ith th e So u n d B la ster AW E 6 4 D P C I
S o u nd C a rd to C o m p a tib le D O S g a m e s a n d
M u ltim ed ia a p p lica tio n s.
T M
T M
Page 3-3
Installation
EP-BX3
*
*
*
*
*
**
Note: Based on the implementation of Intel 440BX PCIset, EP-BX3 is able to
provide two host bus frequencies -- either 66 or 100MHz for Slot1 processor and
memory operating. The default is set at 100MHz once Pentium® II processor to
be mounted onto this mainboard. However, no matter what kind of Slot1 processor you installed, it should come with right memory modules for normal and stable
operation. For example, if you install a Deschutes processor, you should use the
SDRAM module with 100MHz based(or above) to match the CPU speed.
Furthermore, one thing you may need to bear in mind, before the CPU installation, it
is anyway our advice to use JP3 and set up right speed of Slot1 processor at any
time.
Page 3-4
EP-BX3
Installation
Section 3-2
System Memory Configuration
Memory Layout
The EP-BX3 supports (3) 168-pin DIMMs (Dual In-line Memory Module). The
DIMMs can be either EDO (Extended Data Out) or SDRAM (Synchronized
DRAM). The DIMMs may be installed using just one chip.
•
•
•
We recommend using SDRAM DIMM can not mixing
with EDO DIMM modules.
The EDO DIMM only support pentium® II Processor at 66MHz, not
support Deschutes Processor at 100MHz.
We recommend when installed the 100MHz Deschutes Processor
using DIMM SDRAM must be 125MHz (-8ns) bus speed. If used
100MHz (-10ns) SDRAM may be critical timing for the
motherboard.
•
About the “PC/100 SDRAM spec.” information you may visit Intel’s
home page at:
http//developer.intel.com/design/pcisets/memory/index.htm
•
DIMM SDRAM may be 83MHz (-12ns), 100MHz (-10ns) or
125MHz (-8ns) bus speed.
Figure 2 and Table 1 show several possible memory configurations using
DIM M 1 (M 1 )
Bank 0
DIM M 2 (M 2 )
Bank 1
DIM M 3 (M 3 )
Bank 2
-S y n ch ro n o u s
-S D R A M o r E D O
D IM M
F ig u r e 2
Page 3-5
Installation
EP-BX3
Tot a l M e mor y
DI M M 1
(B a nk 0)
DI M M 2
(B a nk 1)
DI M M 3
(B a nk 2)
= 768MB
Maximum
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
= 512MB
Maximum
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
N one
= 256MB
Maximum
EDO /SDRAM*
8MB, 16MB, 32MB,
64MB, 128MB, 256MB
X 1
N one
N one
Table 1
* SDRAM only supports 8, 16, 32, 64, 128MB DIMM modules. 256MB only
supports Registered Synchronouts DRAM Memory Modules.
* EDO only supports Pentium® II Processor at 66MHz, not supports Deschutes
Processor at 100MHz.
DIMM Module Installation
Figure 3 displays the notch marks and what they should look like on your DIMM
memory module.
DIMMs have 168-pins and two notches that will match with the onboard DIMM
socket. DIMM modules are installed by placing the chip firmly into the socket at a
90 degree angle and pressing straight down (figure 6) until it fits tightly into the
DIMM socket (figure 7).
LEFT KEY ZONE
(UNBUFFERED)
CENTER KEY ZONE
(3.3 V DRAM)
Figure 3
Page 3-6
EP-BX3
Installation
Figure 6
DIMM Module clip before installation
Figure 7
DIMM Module clip after installation
To remove the DIMM module simply press down both of the white clips on either
side and the module will be released from the socket.
Page 3-7
Installation
EP-BX3
Section 3-3
Installing a Pentium II or Deschutes Processor
The EP-BX3 uses the Single Edge Contact (SEC) slot for a Pentium II processor
packaged in an SEC cartridge. The SEC slot is not compatible with other nonPentium II processors.
Please have ready the following list of components so that we may install the processor onto the motherboard.
1.
2.
3.
Heat sink support (top/bottom piece)
Pentium II processor heat sink
Intel Pentium II Processor
OK, now that you have all of your components ready, we can start.
First, please refer to figure 8 below, and follow the direction to lift up the fixed
foldable pentium® II Retention Mechanism. This pre-installed device is
designed for you to install Pentium® II CPU more easier and to avoide any
damage on the board due to overtightening the four screws.
One thing must be kept in your mind that please make sure to lift upright the
foldable parts of the Retention module to fit and install CPU properly.
Figure 8
Now we are going to install the heatsink support base piece (figure 9) onto the
motherboard. There is both a large and small hole (figure 10) so that the base will
only fit in one direction. This piece needs to be pushed into the holes firmly until it is
seated.
Now we are ready to install the SEC Cartridge (Pentium II Processor) into the
Retention Module. The SEC Cartridge is mounted by sliding the SEC Cartridge into
the Retention Module and letting it slide all the way down. Once it reaches the
Page 3-8
EP-BX3
Installation
bottom make sure you press firmly on SEC cartridge to firmly secure into the Slot 1
Socket.
Now we need to secure the heatsink with the top half of the support (figure 11).
Take the top piece of the support and slide it into the bottom fin (figure 11) on the
heatsink and then push forward until it clips into the bottom base (figure 9) that is
already there (figure 11).
Figure 9
Figure 9 shows the layout of Slot 1 and the holes for mounting the Heatsink base
piece (figure 8).
Motherboard
CPU Car tr idge SLOT 1
Large Hole for Heat Sink Base
Layout
Small Hole for Heat Sink Base
Figure 10
Bottom fin
of heatsink
Bottom fin
of heatsink
Top half of the support
Figure 11
Page 3-9
Installation
EP-BX3
Section 3-4
Device Connectors
Please install the motherboard into the chassis.
Now that your motherboard is installed you are ready to connect all your connections
(figure 12).
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345
PS/2 Mouse
(Top)
PS/2 Keyboard
(Bottom)
USB 1
(Top)
USB 0
(Bottom)
Parallel Port
(Top)
Com1
(Bottom Left)
Com2
(Bottom Right)
Figure 12
J4:
CPU Fan Power
• A plug-in for the CPU Fan Power
J5: Power Supply Fan Monitoring
• A plug-in for the Power supply so that BIOS can monitor the RPM’s
J6: Chassis Fan Power
• A plug-in for the chassis Fan Power
J7: WOL (Wake On Lan) Connector
J8: SB-LINK Connector
• 5-PIN Header for Creative Blaster® AWE64D PCI Sound Card.
PW2: ATX Power Connector
• 20-pin power connector
J2,J3:Chassis Panel Connector
• Keylock, Speaker, Reset, Sleep, Turbo LED and HDD LED
IDE1:Primary IDE Connector
IDE2:Secondary IDE Connector
FDD1:Floppy Controller Connector
Page 3-10
EP-BX3
Installation
Section 3-4
Device Connectors (continued)
1 Reset - Closed to restart system.
J2
Speaker - Connect to the system's speaker for beeping
1. Speaker
3. GND
2. N/C
4. GND
KeyLock - Keyboard lock switch & Power LED connector
1. Power LED(+)
4. Keylock
2. N/C
5. GND
* The power LED lights when the
3. GND
system is powered on and blinks in
SLEEP MODE (Suspend mode).
1 IR Connector
1. VCC
2. NC
3. IRRX
J3
+
+
4. GND
5. IRTX
IDE LED indicator - LED ON when Onboard PCI IDE Hard disks is
activate
Turbo LED indicator - LED ON when higher speed is selected
Power On/Off - This is connected to the power button on the case.
Using the Soft-Off by Pwr-BTTN feature, you can choose either
Instant Off (turns system off immediatly), or 4 sec delay (you need to
hold the button down for 4 seconds before the system turns off). When
the system is in 4 sec delay mode, we has added a special feature to
make the system go into suspend mode when the button is pressed
momentarily.
Page 3-11
Installation
EP-BX3
Section 3-5
External Modem Ring-in Power
ON and Keyboard Power ON
Functions (KBPO)
On the basis of bounded functions in I/O chipset, the two serial ports are able to
support the External Modem Ring-in Power ON function. Once users connect the
external modem to COM1 or COM2, the EP-BX3 mainboard allows users to turn on
their system through the remote and host's dial-up control.
Exclusive Keyboard Power ON Function
To innovate a unique feature to benefit users, we devoted the easiest and most
convenient way to turn on your system based on the the ATX power supply.
How to work with it
Step 1:Please check JP13 at the position 1-2 after you finished the system
installation.
JP13
K eybo a rd P ow er-O N F un ctio n Se le ctio n
1 -2 : E n ab led
2 -3 : D isab led (D efau lt)
Step 2:Push the momentary switch (J3 PW-ON) to turn on your system and then
push again to hold for more than 4 seconds to turn it off affter counted
memory as soon as you turn it on.
Step 3:You can enjoy the Keyboard Power ON function (KBPO) by pressing any 1
key, Hot key (Ctrl-F1, F2.....F12), Password (A maximum of 5 charac
ters can be entered.) and BUTTON only to turn on your system. Please
refer tothe BIOS Integrated peripherals setup for detail (Page 4-23).The
BIOS Default is keyboard Hot key <Ctrl> - <F1> to turn on the system.
Your system will be turned on automatically, after releasing the keys. To
power off you system, you can use the Soft-OFF function under Windows 95.
Page 3-12
EP-BX3
Installation
Notes:
1.Intel ATX version 2.0 specification has recommended you use the power supply
with 0.72A(720mA) in 5.0VSB. With our EP-BX3 mainboard, the 5.0VSB
standby power only has to be > = 0.1A (100mA) then you can enjoy this
unique benefit. However, the ATX power supply which is < 0.1 (100mA) is still
applicable to your system by placed JP13 at the position 2-3 to disable this
feature.
Page 3-13
Installation
EP-BX3
Page Left Blank
Page 3-14
EP-BX3
BIOS
Section 4
AWARD BIOS SETUP
BIOS Instructions
Award’s ROM BIOS provides a built-in Setup program which allows user to modify
the basic system configuration and hardware parameters. The modified data will be
stored in a battery-backed CMOS, so that data will be retained even when the power
is turned off. In general, the information saved in the CMOS RAM will stay unchanged unless there is a configuration change in the system, such as hard drive
replacement or a device is added.
It is possible for the CMOS battery to fail, this will cause data loss in the CMOS
only. If this does happen you will need to reconfigure your BIOS settings.
To enter the Setup Program :
Power on the computer and press the <Del> key immediately, this will bring you into
the BIOS CMOS SETUP UTILITY.
ROM PCI / ISA BIOS (2A69KPAB)
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
SUPERVISOR PASSWORD
BIOS FEATURES SETUP
USER PASSWORD
CHIPSET FEATURES SETUP
IDE HDD AUTO DETECTION
POWER MANAGEMENT SETUP
HDD LOW LEVEL FORMAT
PNP/PCI CONFIGURATION
SAVE & EXIT SETUP
INTEGRATED PERIPHERALS
EXIT WITHOUT SAVING
LOAD SETUP DEFAULTS
ESC : QUIT
F10 : Save & Exit Setup
é ê è ç
: SELECT ITEM
(Shift)F2 : Change Color
Time, Date, Hard Disk Type...
Figure 1: CMOS Setup Utility
Page 4-1
BIOS
EP-BX3
The menu displays all the major selection items. Select the item you need to
reconfigure. The selection is made by moving the cursor (press any direction key ) to
the item and pressing the ‘Enter’ key. An on-line help message is displayed at the
bottom of the screen as the cursor is moved to various items which provides a better
understanding of each function. When a selection is made, the menu of the selected
item will appear so that the user can modify associated configuration parameters.
4-1 Standard CMOS Setup
Choose “Standard CMOS Setup” in the CMOS SETUP UTILITY Menu (Figure 2).
The Standard CMOS Setup allows the user to configure system settings such as the
current date and time, type of hard disk drive installed, floppy drive type, and display
type. Memory size is auto-detected by the BIOS and displayed for your reference.
When a field is highlighted (use direction keys to move the cursor and the <Enter>
key to select), the entries in the field can be changed by pressing the <PgDn> or the
<PgUp> key.
ROM PCI/ISA BIOS(2A69KPAB)
STANDARD CMOS SETUP
AWARD SOFTWARE, INC.
Date (mm:dd:yy) : Wed, Apr 17 1996
Time (hh:mm:ss) : 14 : 30 : 50
HARD DISKS
TYPE
Primary Master
: Auto
Primary Slave
: Auto
Secondary Master : Auto
Secondary Slave : Auto
SIZE
0
0
0
0
CYLS
0
0
0
0
HEAD
0
0
0
0
Drive A : 1.44M, 3.5 in.
Drive B : None
Floppy 3 Mode Support : Disabled
Video
: EGA/VGA
Halt On : All Errors
ESC : Quit
F1 : Help
PRECOMP
0
0
0
0
SECTORS MODE
0
Auto
0 Auto
0 Auto
0 Auto
Base Memory
Extended Memory
Other Memory
:
:
:
640K
31744K
384K
Total Memory
:
32768K
é ê è ç : Select Item
(Shift) F2
LANDZONE
0
0
0
0
PU/PD/+/- : Modify
: Change Color
Figure 2: Standard CMOS Setup
NOTE: If the hard disk Primary Master/Slave and Secondary Master/Slave
are set to Auto, then the hard disk size and model will be auto-detected.
Page 4-2
EP-BX3
BIOS
NOTE: The “Halt On:” field is used to determine when to halt the system
by the BIOS if an error occurs.
NOTE: Floppy 3 Mode support is a mode used to support a special 3.5”
drive used in Japan. This is a 3.5” disk that stores only 1.2 MB, the default
setting for this is disabled.
4-2 BIOS Features Setup
Selecting the “BIOS FEATURES SETUP” option in the CMOS SETUP UTILITY
menu allows users to change system related parameters in the displayed menu. This
menu shows all of the manufacturer’s default values for the EP-BX3.
Pressing the [F1] key will display a help message for the selected item.
ROM PCI/ISA BIOS(2A69KPAB)
BIOS FEATURES SETUP
AWARD SOFTWARE, INC.
Virus Warning
CPU Internal Cache
External Cache
Quick Power On Self Test
Boot Sequence
Swap Floppy Drive
Boot Up Floppy Seek
Boot Up NumLock Status
Boot UP System Speed
Gate A20 option
Typematic Rate Setting
Typematic Rate (Chars/Sec)
Type matic Delay (Msec)
Security Option
PCI/VGA Palette Snoop
Assign IRQ For VGA
OS Select For DRAM > 64MB
Report NO FDD For Win 95
: Disabled
: Enabled
: Enabled
: Enabled
: A, C, SCSI
: Disabled
: Enabled
: On
: High
: Fast
: Disabled
:6
: 250
: Setup
: Disabled
: Enabled
: Non-OS2
: NO
Video BIOS
C8000-CBFFF
CC000-CFFFF
D0000-D3FFF
D4000-D7FFF
D8000-DBFFF
DC000-DFFFF
Esc
F1
F5
F7
:
:
:
:
Shadow
Shadow
Shadow
Shadow
Shadow
Shadow
Shadow
Quit
Help
Old Values
Load Setup Defaults
: Enabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
é ê è ç : Select Item
PU/PD/+/- : Modify
(Shift) F2 : Color
Figure 3: BIOS Features Setup
Virus Warning: During and after the system boots up, any attempt to write to the
boot sector or partition table of the hard disk drive will halt the system and an error
message will appear.
You should then run an anti-virus program to locate the virus. Keep in mind that this
feature protects only the boot sector, not the entire hard drive.
The default value is Disabled.
Page 4-3
BIOS
EP-BX3
Enabled: Activates automatically when the system boots up causing a
warning message to appear when anything attempts to access the boot
sector.
Disabled: No warning message will appear when anything attempts to
access the boot sector.
Note: Many disk diagnostic programs that access the boot sector table can
trigger the virus warning message. If you plan to run such a program, we
recommend that you first disable the virus warning.
CPU Internal Cache: This controls the status of the processor’s internal cache
area.
The default is Enabled.
Enabled: This activates the processor’s internal cache thereby increasing
performance.
Disabled: This deactivates the processor’s internal cache thereby lowering
performance.
External (L2) Cache: This controls the status of the external (L2) cache area.
The default is Enabled.
Enabled: This activates the motherboard’s L2 cache thereby increasing
performance.
Disabled: This deactivates the motherboard’s L2 cache thereby lowering
performance.
Quick Power On Self Test: This category speeds up the Power On Self Test
(POST).
The default is Enabled.
Enabled: This setting will shorten or skip of the items checked during
POST.
Disabled: Normal POST.
Boot Sequence: This category determines which drive is searched first by the O/S
(Operating System).
The default is A,C,SCSI.
The following is your list of options:
[A, C, SCSI] - [C, A, SCSI] - [C, CD-ROM, A] - [CD-ROM, C, A]
[D, A,CD-ROM],[E, A, CD-ROM] - [F, A, CD-ROM] - [SCSI, A, C]
[SCSI C, A] - [C Only]
Page 4-4
EP-BX3
BIOS
Swap Floppy Drive: This will swap your physical drive letters A & B if you are
using two floppy disks.
The default is Disabled.
Enabled: Floppy A & B will be swapped under the O/S.
Disabled: Floppy A & B will be not swapped.
Boot Up Floppy Seek: During Power-On-Self-Test (POST), BIOS will determine
if the floppy disk drive installed is 40 or 80 tracks. Only 360K type is 40 tracks while
760K, 1.2MB and 1.44MB are all 80 tracks.
The default is Enabled.
Enabled: The BIOS will search the floppy disk drive to determine if it is 40
or 80 tracks.
Disabled: The BIOS will not search for the type of floppy disk drive by
track number.
NOTE: BIOS can not tell the difference between 720K, 1.2MB and 1.
44MB drive types as they are all 80 tracks.
Boot Up NumLock Status: This controls the state of the NumLock key when the
system boots.
The default is On.
On: The keypad acts as a 10-key pad.
Off: The keypad acts like the cursor keys.
Boot UP System Speed: This controls the initial system speed of the computer.
The default is High.
High: This setting sets the computer into normal operation mode.
Low: This setting sets the computer into a slower operating mode. Some
add-in peripherals or old software may require this setting. Using
CTRL+ALT+(+) will switch you back into high speed mode.
Gate A20 Option: This refers to the way the system addresses memory above
1MB (extended memory).
The default is Fast.
Normal: The A20 signal is controlled by the keyboard controller or chipset
hardware.
Fast: The A20 signal is controlled by Port 92 or chipset specific method.
Page 4-5
BIOS
EP-BX3
Typematic Rate Setting: This determines the keystrokes repeat rate.
The default is Disabled.
Enabled: Allows typematic rate and typematic delay programming.
Disabled: The typematic rate and typematic delay will be controlled by the
keyboard controller in your system.
Typematic Rate (Chars/Sec): This is the number of characters that will be repeated by a keyboard press.
The default is 6.
6: 6 characters per second.
10: 10 characters per second.
15: 15 characters per second.
24: 24 characters per second.
8: 8 characters per second.
12: 12 characters per second.
20: 20 characters per second.
30: 30 characters per second.
Typematic Delay (msec): This setting controls the time between the first and the
second character displayed by typematic auto-repeat.
The default is 250.
250: 250 msec.
500: 500 msec.
750: 750 msec.
1000: 1000 msec.
Security Option: This category allows you to limit access to the System and Setup,
or just to Setup.
The default is Setup.
System: The system will not boot and the access to Setup will be denied if
the correct password is not entered at the prompt.
Setup: The system will boot; but the access to Setup will be denied if the
incorrect password is not entered at the prompt.
PCI/VGA Palette Snoop: This field controls the ability of a primary PCI VGA
controller to share a common palette (When a snoop write cycles) with an ISA video
card.
The default is Disabled.
Enabled: If an ISA card is connected to a PCI VGA card via the VESA
connector, and that ISA card connects to a VGA monitor, then that ISA card
uses the RAMDAC of the PCI card.
Disabled: Disables the VGA card Palette Snoop function.
Page 4-6
EP-BX3
BIOS
Assign IRQ For VGA: This option allows BIOS to assign IRQ for VGA device
Enabled: The system was assigned IRQ for VGA Card.
Disabled: The system was not assigned IRQ for VGA Card.
OS Select For DRAM > 64MB: Some operating systems require special handling.
Use this option only if your system has greater than 64MB of memory.
The default is Non-OS2.
OS2: Select this if you are running the OS/2 operating system with greater
than 64MB of RAM.
Non-OS2: Select this for all other operating systems and configurations.
Report No FDD For WIN95: This option allows BIOS to indicate whether
WIN95 is with FDD or not. The Default value is NO.
NO: Report No FDD for WIN95.
YES: Report FDD for WIN95
Video BIOS Shadow: This option allows video BIOS to be copied into RAM.
Video Shadowing will increase the video performance of your system.
The default is Enabled.
Enabled: Video shadow is enabled.
Disabled: Video shadow is disabled.
C8000 - CBFFF Shadow:
CC000 - CFFFF Shadow:
D0000 - D3FFF Shadow:
D4000 - D7FFF Shadow:
D8000 - DBFFF Shadow:
DC000 - DFFFF Shadow:
These categories determine whether ROMs from option cards will be copied into
RAM. This will be in 16K byte or 32K byte units, and the size will depend on chipset
of the option card.
Enabled: Optional shadow is enabled.
Disabled: Optional shadow is disabled.
Page 4-7
BIOS
EP-BX3
4-3 Chipset Features Setup
Choose the “CHIPSET FEATURES SETUP” in the CMOS SETUP UTILITY
menu to display following menu.
ROM PCI/ISA BIOS(2A69KPAB)
CHIPSET FEATURES SETUP
AWARD SOFTWARE, INC.
Auto Configuration
EDO DRAM Timing
: Enabled
: 60ns
EDO CASx# MA wait state
EDO RAS Wait State
SDRAM CAS LATENCY Time
DRAM Data Integrity Mode
System BIOS Cacheable
Video BIOS Cacheable
Video RAM Cacheable
8 Bit I/O Recovery Time
16 Bit I/O Recovery Time
Memory Hole At 15M-16M
Passive Release
Delayed Transaction
AGP Aperture Size (MB)
:2
:2
:3
: Non-ECC
: Enabled
: Enabled
: Enabled
:1
:1
: Disabled
: Enabled
: Disabled
: 64
Auto Detect DIMM/PCI Clk
Spread Spectrum Modulated
CPU Host Clock
CPU Warning Temperature
Current cpu Temperature
Current System Temp
Current PWR SUP FAN Speed
Current CPU FAN Speed
Current Chiassis FAN Speed
CPU(V)
: 2.80 V
+1.5V
+3.3V
: 3.36 V
+5V
+12V
: 12.28 V
-12V
-5V
: 5.20 V
Esc
F1
F5
F7
:
:
:
:
Quit
Help
Old Values
Load Setup Defaults
: Enabled
: Enabled
: Default
: 60C/140F
: 31C/87F
: 31C/87F
: 0 RPM
: 5578 RPM
: 0 RPM
: 1.48 V
: 5.16 V
: 11.90 V
é ê è ç : Select Item
PU/PD/+/- : Modify
(Shift) F2 : Color
Figure 4: Chipset Features Setup
Auto Configuration: This selects predetermined optimal values of the chipset
parameters.
The default is Enabled.
Enabled: This enables auto-configuration and provides the option to select
predefined timing modes.
Disabled: This allows the user to specify DRAM timing parameters.
Note: If you exceed the performance characteristics of memory in your
system it will result in lockups, crashes and other problematic system
operations.
EDO DRAM Speed Selection: This value must correspond to the speed of the
DRAM installed in your system.
The default is 60ns. This item is for EDO DIMM in Pentium® II processor at 66MHz
only.
Page 4-8
EP-BX3
BIOS
50ns: (Faster) Burst Wait State, for 50ns EDO DRAM.
60ns: (Slower) Burst Wait State, for 60ns Fast Page Mode/EDO DRAM.
EDO CASx# MA Wait State: This allows the option to insert an additional wait
state before the assertion of the first CASx# for page hit cycle.
The default is 2.
1: Inserts one wait state.
2: Inserts two wait states.
EDO RASx# Wait State: This allows the option to insert an additional wait state
before RAS# is asserted for row misses.
1: Inserts one wait state.
2: Inserts two wait states.
SDRAM CAS Latency Time: This setting defines the CAS timing parameter of
the SDRAM in terms of clocks.
The default is 3.
2: Provides faster memory performance.
3: Provides better memory compatibility.
System BIOS Cacheable: This allows you to copy your BIOS code from slow
ROM to fast RAM.
The default is Enabled.
Enabled: The option will improve system performance. However, if any
program writes to this memory area, a system error may result.
Disabled: System BIOS non-cacheable.
Video BIOS Cacheable: This option copies the video ROM BIOS to fast RAM
(C0000h to C7FFFh).
The default is Enabled.
Enabled: Enables the Video BIOS Cacheable to speed up the VGA
Performance.
Disabled: Will not use the Video BIOS Cacheable function.
Page 4-9
BIOS
EP-BX3
Video RAM Cacheable: This option allows the CPU to cache read/writes of the
video RAM.
The default is Enabled.
Enabled: This option allows for faster video access.
Disabled: Reduced video performance.
8 Bit I/O Recovery Time: This function allows you to set the wait state that is
added to an 8 bit ISA instruction originated by the PCI bus.
The default is 3.
NA:
1: 1
3: 3
5: 5
7: 7
No wait state
wait states
wait states
wait states
wait states
8:
2:
4:
6:
8
2
4
6
wait
wait
wait
wait
states
states
states
states
16 Bit I/O Recovery Time: This function allows you to set the wait state that is
added to an 16 bit ISA instruction originated by the PCI bus.
The default is 2.
NA: No wait state
3: 3 wait states
1: 1 wait states
4: 4 wait states
2: 2 wait states
Memory Hole at 15M-16M: You can reserve this memory area for the use of
ISA adaptor ROMs.
The default is Disabled.
Enabled: This field enables the main memory (15~16MB) to remap to ISA
BUS.
Disabled: Normal Setting.
NOTE: If this feature is enabled you will not be able to cache this
memory segment.
Passive Release: This option allows access from the CPU to PCI bus to be active
during passive release. Otherwise, the arbiter only accepts another PCI master
access to local DRAM.
The default is Enabled.
Enabled: Enabled
Disabled: Disabled
Page 4-10
EP-BX3
BIOS
Delayed Transaction: This option allows the chipset to use its embedded 32-bit
posted write buffer to support delay transactions cycles.
The default is Disabled.
Enabled: Select enabled to support PCI 2.1 specification.
Disabled: Disabled.
AGP Aperture Size: The amount of system memory that the AGP card is allowed
to share.
The default is 64.
4: 4MB of systems memory accessable by the AGP card.
8: 8MB of systems memory accessable by the AGP card.
16: 16MB of systems memory accessable by the AGP card.
32: 32MB of systems memory accessable by the AGP card.
64: 64MB of systems memory accessable by the AGP card.
128: 128MB of systems memory accessable by the AGP card.
256: 256MB of systems memory accessable by the AGP card.
Auto Detect DIMM/PCI Clk: Allows you to stop DIMM/PCI Clock drive when
the DIMM site or PCI Slot are not plug. This item may help reduce EMI.
The default is Enabled.
Enabled: Provides unused DIMM/PCI to stop.
Disabled: Provides the clock generator always driving.
Spread Spectrum Modulated: Allows you to active the Spread Spectrum Modulation function for reduce EMI. (Note: When Enabled the item that performance will
be impacted).
The default is Enabled.
Enabled: Provides the Spread Spectrum function from clock generator.
Disabled: NO Spread Spectrum function.
CPU Host Clock: This item can show on the screen when the JP3 setting at
66MHz. Allows you to option others frequency at 66, 75 or 83MHz for CPU Host
Clock.
The default is Default that is means 66MHz.
Page 4-11
BIOS
EP-BX3
CPU Warning Temperature: This is the temperature that the computer will
respond to an overheating CPU.
The default is Disabled.
Enabled: Temperature is monitored on the CPU
Disabled: This feature is turned off.
Current CPU Temperature: This is the current temperature of the CPU.
Current Power FAN Speed: The current power fan speed in RPMs.
Current CPU FAN Speed: The current CPU fan speed in RPMs.
Current Chassis FAN Speed: The current chassis fan speed in RPMs.
CPU(V): The voltage level of the CPU.
+1.5V:
The voltage level of the CPU’s GTL+ Bus.
+3.3V, +5V, +12V: The voltage level of the switch power supply.
4-4 Power Management Setup
Choose the “POWER MANAGEMENT SETUP” in the CMOS SETUP UTILITY
to display the following screen. This menu allows the user to modify the power
management parameters and IRQ signals. In general, these parameters should not be
changed unless it’s absolutely necessary.
ROM PCI/ISA BIOS (2A69KPAB)
POWER MANAGEMENT SETUP
AWARD SOFTWARE, INC.
Power Management
PM Control by APM
Video off Method
Video off After
Modem Use IRQ
Doze Mode
Standby Mode
Suspend Mode
HDD Power Down
: User Define
: Yes
: V/H SYNC+Blank
: Standby
: 3
: Disabled
: Disabled
: Disabled
: Disabled
Throttle Duty Cycle
VGA Active Monitor
Soft-off by PWB-BTTN
Resume by Alarm
Power Loss Recovery
Resume By Alarm
Date (of Month) Alarm
Time (hh:mm:ss) Alarm
IRQ 8 Clock Event
: 62.5%
: Enabled
: Delay 4 Sec.
: Enabled
: Enabled
: Enabled
:0
: 8: 0 :0
: Disabled
** Reload Global Timer Events **
IRQ [3-7, 9-15], NMI
Primary IDE 0
Primary IDE 1
Secondary IDE 0
Secondary IDE 1
Floppy Disk
Serial Port
Parallel Port
Esc
F1
F5
F7
:
:
:
:
é ê è ç : Select Item
Quit
Help
PU/PD/+/- : Modify
Old Values
(Shift) F2 : Color
Load Setup Defaults
Figure 5: Power Management Setup
Page 4-12
: Enabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
: Disabled
EP-BX3
BIOS
You can only change the content of Doze Mode, Standby Mode, and Suspend Mode
when the Power Management is set to ‘User Define’.
Power Management: Use this to select your Power Management selection.
The default is User define.
Disabled: The system operates in NORMAL conditions (Non-GREEN), and
the Power Management function is disabled.
Max. saving: Maximum power savings. Inactivity period is 1 minute in each
mode.
Min. saving: Minimum power savings. Inactivity period is 1 hour in each
mode.
User define: Allows user to define PM Timers parameters to control power
saving mode.
PM controlled APM: This option shows whether or not you want the Power
Management to be controlled the Advanced Power Management (APM).
The default is Yes.
Yes: APM controls your PM
No: APM does not control your PM
Video Off Method: This option allows you to select how the video will be disabled
by the power management.
The default is V/H Sync + Blank
V/H Sync + Blank: System turns off vertical and horizontal synchronization
ports and writes blanks to the video buffer.
DPMS: Select this option if your monitor supports the Display Power
Management Signaling (DPMS) standard of the Video Electronics Standards Association (VESA). Use the software supplied for your video subsystem to select video power management values.
Blank Screen: System only writes blanks to the video buffer.
Video Off After: Tells you what time frame that the video will be disabled under
current power management settings.
The default is Standby.
Standby: Video powers off after time shown in standby mode setting.
Doze: Video powers off after time shown in doze mode setting.
Suspend: Video powers off after time shown in suspend mode setting.
N/A: Video power off not controlled by power management.
Page 4-13
BIOS
EP-BX3
MODEM Use IRQ: Name the interrupt request (IRQ) line assigned to the modem
(if any) on your system. Activity of the selected IRQ always awakens the system.
Default is IRQ 3.
N/A: No IRQ is used.
3:
4: IRQ 4
5:
7: IRQ 7
9:
10: IRQ 10
11: IRQ
IRQ 3
IRQ 5
IRQ 9
11
The EP-BX3 supports HDD Power Down, Doze and Standby power saving functions when using the Intel Pentium II Processor.
The default is Disabled
Doze Mode: The “Doze” mode timer starts to count when no “PM events” have
occurred.
Standby Mode: When the standby mode timer times-out, it will enter the standby
mode and retain CPU at a slow working speed. The screen will be blanked out.
Suspend Mode: This function works only when the Pentium II Processor is
installed. The timer starts to count when “System Standby” mode timer is timed out
and no “PM Events” are occurring. Valid range is from 1 minute up to 1 hour.
HDD Power Down: HDD Standby timer can be set from 1 to 15 minute(s).
VGA Active Monitor: Use this option if your monitor has advanced power saving
features.
The default is Enabled
Enabled: Your monitor’s power features will be included in power
management.
Disabled: Your monitor’s power features will not be included in power
management.
Soft-Off by PWR-BTTN: Use this to select your soft-off function.
The default is Delay 4 sec.
Instant Off: Turns off instantly.
Delay 4 Second : Turns off after a 4 second delay. If momentary press of
button, the system will go into Suspend Mode. Press again to take system
out of Suspend Mode.
Page 4-14
EP-BX3
BIOS
Resume by Ring: This option is used to set the remote ring in feature. This option
is only available when Power Loss Recovery is Enabled.
The default is Enabled.
Enabled: The system can use remote ring-in to wake the system up.
Disabled: The system cannot use remote ring in to wake system up.
Power Loss Recovery: If the power to the system is cut off the system will turn
itself back on with no user intervention.
The default is Disabled.
Enabled: The system will power back on after a power interuption.
Disabled: The system will stay off after a power interuption.
Resume by Alarm: This option allows you to have the system turn on at a preset
time each day or on a certain day. This option is only available when Power Loss
Recovery is Enabled.
The default is Enabled.
Enabled: The system will turn on at the preset time.
Disabled: The system will not turn on until you turn it on.
Date (of month) Alarm: This is how you set the date that the system will turn on.
The default is 0.
0: Setting this to 0 will turn the system on everyday at the preset time.
1-31: Represents the day of the month that you need the system to turn on.
Time (hh:mm:ss) Alarm: This sets the time that you need the system to turn on.
The deault is 08:00:00.
**Reload Global Timer Events **
These options allow the user to reset the global power features timer if any of the
enabled events occur.
IRQ [3-7, 9-15], NMI: The default is Enable.
Primary IDE 0: The default is Disable.
Primary IDE 1: The default is Disable.
Secondary IDE 0: The default is Disable.
Secondary IDE 1: The default is Disable.
Floppy Disk: The default is Disable.
Serial Port: The default is Enable.
Parallel Port: The default is Disable.
Page 4-15
BIOS
EP-BX3
4-5 PNP/PCI Configuration
The PNP/PCI configuration program is for the user to modify the PCI/ISA IRQ
signals when various PCI/ISA cards are inserted in the PCI or ISA slots.
WARNING: Conflicting IRQ’s may cause the system to not find certain devices.
ROM PCI/ISA BIOS(2A69KPAB)
PNP/PCI CONFIGURATION
AWARD SOFTWARE, INC.
PNP OS Installed
Resources Controlled By
Reset Configuration Data
: NO
: Manual
: Disabled
PCI IDE IRQ Map To
Primary IDE INT#
Secondary IDE INT#
: PCI-AUTO
:A
:B
IRQ-3
IRQ-4
IRQ-5
IRQ-7
IRQ-9
IRQ-10
IRQ-11
IRQ-12
IRQ-14
IRQ-15
DMA-0
DMA-1
DMA-3
DMA-5
DMA-6
DMA-7
: Legacy ISA
: Legacy ISA
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
: PCI/ISA PnP
Used MEM base addr
: N/A
Assign IRQ For USB
: Enabled
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
assigned
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
to
Esc
F1
F5
F7
:
:
:
:
Quit
Help
Old Values
Load Setup Defaults
é ê è ç : Select Item
PU/PD/+/- : Modify
(Shift) F2 : Color
Figure 6: PCI Configuration Setup
PNP OS Installed: Do you have a PNP OS installed on your system. The default is
No.
Yes: Select if you are using a PNP OS
No: Select if your OS does not support PNP.
Resources Controlled By: Who controlled the system PNP/PCI resources.
The default is Manual.
Manual: PNP Card’s resources will be controlled manually. You can set
which IRQ-X and DMA-X are assigned to PCI/ISA PNP or Legacy ISA
Cards.
Auto: If your ISA card and PCI card are all PNP cards, BIOS will assign
the interrupt resource automatically.
Reset Configuration Data: This setting allows you to clear ESCD data.
The default is Disabled
Page 4-16
EP-BX3
BIOS
Disabled: Normal Setting.
Enabled: If you have plugged in some Legacy cards to the system and they
were recorded into ESCD (Extended System Configuration Data), you can
set this field to Enabled in order to clear ESCD.
PCI IDE IRQ Map To: This item allows the user to configure the system for the
type of IDE hard disk controller in use. By default, the BIOS assumes that the hard
drive controller is an ISA device rather than a PCI controller. If you are using a PCI
controller, then you will need to change this to specify which PCI slot has the controller and which PCI interrupt (A, B, C, or D) is associated with the connected IDE
devices.
The default value is PCI-AUTO. This will allow the system to automatically configure the IDE devices.
P C I#5
P C I#4
P C I#3
P C I#2
P C I#1
IN T D
IN T D
IN T C
IN T B
IN TA
IN TA
IN TA
IN T D
IN T C
IN T B
IN T B
IN T B
IN TA
IN T D
IN T C
IN T C
IN T C
IN T B
IN TA
IN T D
IN TA
IN T B
PCI
IN T C
IN T D
F ig u re 7 : T h e C o m b in a tio n o f P C I IN T # lin es
Used MEM base addr: The Used MEM base addr (CB00, CC00, D000, D400,
D800, DC00) and Used MEM Length (8K, 16K, 32K, 64K) are used to support
some specific ISA Legacy cards with requested memory space below 1M address.
Now with these two functions, users can define where the used memory address is
located and its length of the legacy area that is used by the legacy device to avoid the
memory space conflict. For example, if you select “D000” for Used MEM base
addr” and “16K” for “Used MEM Length”, that means the address region D000HD3FFFH is occupied by ISA legacy cards, and thus BIOS will not assign this region
for PnP/ISA and PCI cards.
The default is N/A.
Assign IRQ For USB: This item allows BIOS to assign whether IRQ is with USB
or not. If you have not connect the USB device. Can release the IRQ for other
device.
Page 4-17
BIOS
EP-BX3
The default is Enabled.
Enalbed: Provides IRQ for USB device.
Disabled: Release IRQ for other device.
4-6 Load Setup Defaults
The “LOAD SETUP DEFAULTS” function loads the system default data directly
from ROM and initializes the associated hardware properly. This function will be
necessary only when the system CMOS data is corrupted.
4-7 Integrated Peripherals
ROM PCI/ISA BIOS(2A69KPAB)
INTEGRATED PERIPHERALS
AWARD SOFTWARE, INC.
IDE HDD Block Mode
IDE Primary Master PIO
IDE Primary Slave PIO
IDE Secondary Master PIO
IDE Secondary Slave PIO
IDE Primary Master UDMA
IDE Primary Slave UDMA
IDE Secondary Master UDMA
IDE Secondary Slave UDMA
Onboard Primary PCI IDE
Onboard Secondary PCI IDE
USB Keyboard Support
: Enabled
: Auto
: Auto
: Auto
: Auto
: Auto
: Auto
: Auto
: Auto
: Enabled
: Enabled
: Disabled
KBC Input Clock
Onboard FDD Controller
Onboard Serial Port 1
Onboard Serial Port 2
Onboard IR Controller
: 12MHz
: Enabled
: Auto
: Auto
: Disabled
Onboard Parallel Port
Onboard Parallel Mode
ECP Mode Ise DMA
Parallel Port EPP Type
: 378/IRQ7
: ECP / EPP
:3
: EPP1.9
POWER ON Method
KB Power ON Password
Hot Key Power ON
: Hot Key
: Enter
: Ctrl-F1
Esc
F1
F5
F7
:
:
:
:
Quit
Help
Old Values
Load Setup Defaults
é ê è ç : Select Item
PU/PD/+/- : Modify
(Shift) F2 : Color
Figure 8: Integrated Peripherals
Note: If you do not use the Onboard IDE connector, then you will need to
set Onboard Primary PCI IDE: Disabled and Onboard Secondary PCI
IDE: Disabled
Note: The Onboard PCI IDE cable should be equal to or less than 18
inches (45 cm.).
Page 4-18
EP-BX3
BIOS
IDE HDD Block Mode: IDE Block Mode allows the controller to access blocks
of sectors rather than a single sector at a time.
The default is Enabled.
Enabled: Enabled IDE HDD Block Mode. Provides higher HDD
transfer rates.
Disabled: Disable IDE HDD Block Mode.
Onboard Primary PCI IDE: The default value is Enabled.
Enabled: Enables Onboard IDE primary port.
Disabled: Disables Onboard IDE primary port.
Onboard Secondary PCI IDE:
The default is Enabled.
Enabled: Enables Onboard IDE secondary port.
Disabled: Disables Onboard IDE secondary port.
IDE Primary Master PIO
The default is Auto.
Auto: BIOS will automatically detect the Onboard Primary Master PCI IDE
HDD Accessing mode.
Mode 0~4: Manually set the IDE Programmed interrupt mode.
IDE Primary Slave PIO
The default is Auto.
Auto: BIOS will automatically detect the Onboard Primary Slave PCI IDE
HDD Accessing mode.
Mode 0~4: Manually set the IDE Programmed interrupt mode.
IDE Secondary Master PIO:
The default is Auto.
Auto: BIOS will automatically detect the Onboard Secondary Master PCI
IDE HDD Accessing mode.
Mode 0~4: Manually set the IDE Programmed interrupt mode.
IDE Secondary Slave PIO:
The default is Auto.
Auto: BIOS will automatically detect the Onboard Secondary Slave PCI IDE
HDD Accessing mode.
Page 4-19
BIOS
EP-BX3
Mode 0~4: Manually set the IDE Programmed interrupt mode.
IDE Primary Master UDMA: This allows you to select the mode of operation for
the hard drive.
The default is Auto.
Auto: The computer will select the optimal setting.
Disabled: The hard drive will run in normal mode.
IDE Primary Slave UDMA: This allows you to select the mode of operation for the
hard drive.
The default is Auto.
Auto: The computer will select the optimal setting.
Disabled: The hard drive will run in normal mode.
IDE Secondary Master UDMA: This allows you to select the mode of operation
for the hard drive.
The default is Auto.
Auto: The computer will select the optimal setting.
Disabled: The hard drive will run in normal mode.
IDE Secondary Slave UDMA: This allows you to select the mode of operation for
the hard drive.
The default is Auto.
Auto: The computer will select the optimal setting.
Disabled: The hard drive will run in normal mode.
USB Keyboard Support: This controls the activation status of an optional USB
keyboard that may be attached.
The default is disabled.
Enabled: Enable USB keyboard support.
Disabled: Disable USB keyboard support.
OnBoard Primary PCI IDE: This option turns on and off the onboard primary IDE.
The default is enabled.
Enabled: This activates the primary PCI IDE.
Disabled: This disables the primary PCI IDE and frees up the resource.
Page 4-20
EP-BX3
BIOS
OnBoard Secondary PCI IDE: This option turns on/off the onboard secondary IDE.
The default is enabled.
Enabled: This activates the secondary PCI IDE.
Disabled: This disables the secondary PCI IDE and frees up its resources.
KBC input clock: This sets the keyboard clock value.
The default is 12 MHz.
Options: 6, 8, 12, 16 are the available choices.
Onboard FDC Controller: This controls the state of the onboard floppy controller.
The default value is Enabled.
Enabled: Enable the Onboard Winbond Chips’s floppy drive interface
controller.
Disabled: Disable the Onboard Winbond Chip’s floppy drive interface
controller.
Onboard Serial Port 1: This field allows the user to configure the 1st serial port.
The default is Auto.
AUTO: Enable Onboard Serial port 1 and address is Auto adjusted
COM1: Enable Onboard Serial port 1 and address is 3F8H/IRQ4.
COM2: Enable Onboard Serial port 1 and address is 2F8H/IRQ3.
COM3: Enable Onboard Serial port 1 and address is 3E8H/IRQ4.
COM4: Enable Onboard Serial port 1 and address is 2E8H/IRQ3.
Disabled: Disable Onboard SMC CHIP’s Serial port 1.
Onboard Serial Port 2: This field allows the user to configure the 2nd serial port.
The default is Auto.
AUTO: Enable Onboard Serial port 2 and address is Auto adjusted
COM1: Enable Onboard Serial port 2 and address is 3F8H/IRQ4.
COM2: Enable Onboard Serial port 2 and address is 2F8H/IRQ3.
COM3: Enable Onboard Serial port 2 and address is 3E8H/IRQ4.
COM4: Enable Onboard Serial port 2 and address is 2E8H/IRQ3.
Disabled: Disable Onboard SMC CHIP’s Serial port 2.
Page 4-21
BIOS
EP-BX3
UART Mode Select: The mode of the IR Controller.
The default is Normal.
IrDA: Support a Serial Infrared Inferface IrDA.
ASKIR: Support a Sharp Serial Infrared Interface formats.
Normal: The IRRX and IRTX pins of IR function in normal condition.
Onboard Parallel port: This field allows the user to configure the LPT port.
The default is 378H / IRQ7.
378H: Enable Onboard LPT port and address is 378H and IRQ7.
278H: Enable Onboard LPT port and address is 278H and IRQ5.
3BCH: Enable Onboard LPT port and address is 3BCH and IRQ7.
Disabled: Disable Onboard Winbond Chip’s LPT port.
Parallel Port Mode: This field allows the user to select the parallel port mode.
The default is ECP+EPP.
Normal: Standard mode. IBM PC/AT Compatible bidirectional parallel port.
EPP: Enhanced Parallel Port mode.
ECP: Extended Capabilities Port mode.
EPP+ECP: ECP Mode & EPP Mode.
ECP Mode USE DMA: This field allows the user to select DMA1 or DMA3 for
the ECP mode.
The default is DMA3.
DMA1: This field selects the routing of DMA1 for the ECP mode.
DMA3: This field selects the routing of DMA3 for the ECP mode.
Power On Method: There are “Button Only”, “Hot Key” and “Any key” can be
chosen by this field that allows users to select one of these various functions as
Power On Method for their requirement.
The default value in this selection is “ Hot Key”. (Ctrl-F1)
Hot Key: User can press “Control Key” (Ctrl) and “Function Key” (from F1
to F12) individually to power on the system.
The interval between “Ctrl” key and function Key (F1-F12) must be short.
Anykey: Press anykey to power on the system.
Button Only: This power on method is controlled by J3 (pw-on.) Use Power
Page 4-22
EP-BX3
BIOS
On Button to power on the system.
Password: User can Power On the System by password, the password can be
entered from 1 to 5 characters. The maximum of password is 5
characters.
If user forget / lost the password, please go into BIOS setting to change the
Power On Method, or keyin another words as password instead of original one.
4-8 Change Supervisor or
User Password
To change the password, choose the “SUPERVISOR PASSWORD or USER
PASSWORD” option from the CMOS SETUP UTILITY menu and press [Enter].
NOTE: Either “Setup” or “System” must be selected in the “Security
Option” of the BIOS FEATURES SETUP menu.
1. If CMOS is corrupted or the option was not used, a default password stored
in the ROM will be used. The screen will display the following message:
Enter Password:
Press the [Enter] key to continue after the proper password is given.
2. If the CMOS is corrupted or the option was used earlier and the user wishes
to change the default password, the SETUP UTILITY will display a message and ask for a confirmation.
Confirm Password:
3. After pressing the [Enter] key (ROM password if the option was not used)
or current password (user-defined password), the user can change the
password and store new one in CMOS RAM. A maximum of 8 characters
can be entered.
Page 4-23
BIOS
EP-BX3
4-9 IDE HDD Auto Detection
The “IDE HDD auto detection” utility is a very useful tool, especially when you do
not know which kind of hard disk type you are using. You can use this utility to detect
the correct disk type installed in the system automatically. But now you can set
HARD DISK TYPE to Auto in the STANDARD CMOS SETUP. You don’t need
the “IDE HDD AUTO DETECTION” utility. The BIOS will Auto-detect the hard
disk size and model on display during POST.
ROM PCI/ISA BIOS(2A69KPAB)
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
HARD DISKS
Primary Master
TYPE SIZE CYLS HEADS PRECOMP LANDZONE SECTORS MODE
:
Select Secondary Slave Option (N=Skip) : N
OPTIONS
2 (Y)
1
3
SIZE
4310
4310
4310
CYLS
HEAD
524
14848
928
255
9
144
PRECOMP
0
65535
65535
LANDZ SECTOR MODE
14847
14847
14847
63 LBA
63 NORMAL
63 LARGE
Note: Some OSes (like SCO-UNIX) must use NORMAL for installation
ESC : Skip
Figure 8: IDE HDD Auto Detection
NOTE: HDD Modes
The Award BIOS supports 3 HDD modes : NORMAL, LBA & LARGE NORMAL
mode
Generic access mode in which neither the BIOS nor the IDE controller will make
any transformations during accessing.
The maximum number of cylinders, head & sectors for NORMAL mode are.
1024, 16 & 63
no. Cylinder
x no. Head
x no. Sector
x no. per sector
Page 4-24
(1024)
( 16)
( 63)
( 512)
528 Megabytes
EP-BX3
BIOS
If user set his HDD to NORMAL mode, the maximum accessible HDD size will be
528 Megabytes even though its physical size may be greater than that!
LBA (Logical Block Addressing) mode: A new HDD accessing method to
overcome the 528 Megabyte bottleneck. The number of cylinders, heads & sectors
shown in setup may not be the number physically contained in the HDD. During
HDD accessing, the IDE controller will transform the logical address described by
sector, head & cylinder into its own physical address inside the HDD. The maximum
HDD size supported by LBA mode is 8.4 GigaBytes which is obtained by the
following formula:
no. Cylinder
x no. Head
x no. Sector
x bytes per sector
(1024)
( 255)
( 63)
( 512)
8.4 GigaBytes
LARGE mode: Extended HDD access mode supported by Award Software.
Some IDE HDDs contain more than 1024 cylinder without LBA support (in some
cases, user do not want LBA). The Award BIOS provides another alternative to
support these kinds of LARGE mode.
CYLS
HEADS
SECTOR
MODE
1120
560
16
32
59
59
NORMAL
LARGE
BIOS tricks DOS (or other OS) that the number of cylinders is less than 1024 by
dividing it by 2. At the same time, the number of heads is multiplied by 2. A reverse
transformation process will be made inside
INT 12h in order to access the right HDD address!
Maximum HDD size:
no. Cylinder
x no. Head
x no. Sector
x bytes per sector
(1024)
( 32)
( 63)
( 512)
1 GigaByte
Page 4-25
BIOS
EP-BX3
Note: To support LBA or LARGE mode of HDDs, there must be some
software involved. All the software is located in the Award HDD Service
Routine (INT 13h). It may fail to access a HDD with LBA (LARGE) mode
selected if you are running under an Operating System which replaces the
whole INT 13h.
UNIX operating systems do not support either LBA or LARGE and must utilize the
Standard mode. UNIX can support drives larger than 528MB.
4-10 HDD Low Level Format
Interleave: Select the interleave number of the hard disk drive you wish to perform
a low level format on. You may select from 1 to 8. Check the documentation that
came with the drive for the correct interleave number, or select 0 for automatic
detection.
Auto scan bad track: This allows the utility to scan first then format by each track.
Start: Press<Y>to start low level format.
4-11 Save & Exit Setup
The “SAVE & EXIT SETUP” option will bring you back to the boot up procedure
with all the changes you just recorded in the CMOS RAM.
4-12 Exit Without Saving
The “EXIT WITHOUT SAVING” option will bring you back to normal boot up
procedure without saving any data into CMOS RAM.
All old data in the CMOS will not be destroyed.
Page 4-26
EP-BX3
Appendix
Appendix A:
A-1 MEMORY MAP
Address Range
[00000-7FFFF]
[80000-9FBFF]
[9FC00-9FFFF]
[A0000-C7FFF]
[C8000-DFFFF]
[E0000-EEFFF]
[EF000-EFFFF]
Size
512K
127K
1K
160K
96K
60K
4K
[F0000-F7FFF]
[F8000-FCFFF]
[FD000-FDFFF]
[FE000-FFFFF]
32K
20K
4K
8K
Description
Conventional memory
Extended Conventional memory
Extended BIOS data area if PS/2 mouse is installed
Available for Hi DOS memory
Available for Hi DOS memory and adapter ROMs
Available for UMB
Video service routine for Monochrome & CGA
adaptor
BIOS CMOS setup utility
BIOS runtime service routine (2)
Plug and Play ESCD data area
BIOS runtime service routine (1)
A-2 I/O MAP
[000-01F]
[020-021]
[022-023]
[040-05F]
[060-06F]
[070-07F]
[080-09F]
[0A0-0BF]
[0C0-0DF]
[0F0-0FF]
[1F0-1F8 ]
[278-27F]
[2B0-2DF]
[2F8-2FF]
[360-36F]
[378-37F]
[3B0-3BF]
[3C0-3CF]
DMA controller.(Master)
INTERRUPT CONTROLLER.(Master)
CHIPSET control registers. I/O ports.
TIMER control registers.
KEYBOARD interface controller.(8042)
RTC ports & CMOS I/O ports.
DMA register.
INTERRUPT controller.(Slave)
DMA controller.(Slave)
MATH COPROCESSOR.
HARD DISK controller.
PARALLEL port 2.
GRAPHICS adapter controller.
SERIAL port 2.
NETWORK ports.
PARALLEL port 1.
MONOCHROME & PARALLEL port adapter.
EGA adapter.
A-1
Appendix
[3D0-3DF]
[3F0-3F7]
[3F8-3FF]
EP-BX3
CGA adapter.
FLOPPY DISK controller.
SERIAL port 1.
A-3 TIMER & DMA CHANNELS MAP
TIMER MAP:
TIMER Channel 0
TIMER Channel 1
TIMER Channel 2
DMA CHANNELS:
DMA Channel 0
DMA Channel 1
DMA Channel 2
DMA Channel 3
DMA Channel 4
DMA Channel 5
DMA Channel 6
DMA Channel 7
System timer interrupt.
DRAM REFRESH request.
SPEAKER tone generator.
Available.
Onboard ECP (Option).
FLOPPY DISK (SMC CHIP).
Onboard ECP (default).
Cascade for DMA controller 1.
Available.
Available.
Available
A-4 INTERRUPT MAP
NMI :
Parity check error.
IRQ (H/W):
0
System TIMER interrupt from TIMER 0.
1
KEYBOARD output buffer full.
2
Cascade for IRQ 8-15.
3
SERIAL port 2.
4
SERIAL port 1.
5
PARALLEL port 2.
6
FLOPPY DISK (SMC CHIP).
7
PARALLEL port 1.
8
RTC clock.
9
Available.
10
Available.
11
Available.
12
PS/2 Mouse.
13
MATH coprocessor.
A-2
EP-BX3
14
15
Appendix
Onboard HARD DISK (IDE1) channel.
Onboard HARD DISK (IDE1) channel.
A-5 RTC & CMOS RAM MAP
RTC & CMOS:
00
Seconds.
01
Second alarm.
02
Minutes.
03
Minutes alarm.
04
Hours.
05
Hours alarm.
06
Day of week.
07
Day of month.
08
Month.
09
Year.
0A
Status register A.
0B
Status register B.
0C
Status register C.
0D
Status register D.
0E
Diagnostic status byte.
0F
Shutdown byte.
10
FLOPPY DISK drive type byte.
11
Reserve.
12
HARD DISK type byte.
13
Reserve.
14
Equipment type.
15
Base memory low byte.
16
Base memory high byte.
17
Extension memory low byte.
18
Extension memory high byte.
19-2d
2E-2F
30
Reserved for extension memory low byte.
31
Reserved for extension memory high byte.
32
DATE CENTURY byte.
33
INFORMATION FLAG.
34-3F Reserve.
40-7F Reserved for CHIPSET SETTING DATA.
A-3
Appendix
EP-BX3
Page Left Blank
A-4
EP-BX3
Appendix
Appendix B:
B-1 POST CODES
ISA POST codes are typically output to I/O port address 80h.
POST (hex)
DESCRIPTION
01-02
Reserved.
C0
Turn off OEM specific cache, shadow.
03
1. Initialize EISA registers (EISA BIOS only).
2. Initialize all the standard devices with default values
Standard devices includes.
- DMA controller (8237).
- Programmable Interrupt Controller (8259).
- Programmable Interval Timer (8254).
- RTC chip.
04
Reserved
05
1. Keyboard Controller Self-Test.
06
2. Enable Keyboard Interface.
07
Reserved.
08
Verifies CMOS's basic R/W functionality.
C1
Auto-detection of onboard DRAM & Cache.
C5
Copy the BIOS from ROM into E0000-FFFFF shadow RAM so that
POST will go faster.
08
Test the first 256K DRAM.
09
OEM specific cache initialization. (if needed)
0A
1. Initialize the first 32 interrupt vectors with corresponding Interrupt
handlers. Initialize INT numbers from 33-120 with Dummy
(Spurious) Interrupt Handler.
2. Issue CPUID instruction to identify CPU type.
3. Early Power Management initialization. (OEM specific)
0B
1. Verify the RTC time is valid or not.
2. Detect bad battery.
3. Read CMOS data into BIOS stack area.
4. PnP initializations including. (PnP BIOS only)
- Assign CSN to PnP ISA card.
- Create resource map from ESCD.
5. Assign IO & Memory for PCI devices. (PCI BIOS only)
A-5
Appendix
0C
0D
0E
0F
10
11
12-13
14
15
16
17
19
1A-1D
1E
1F-29
30
31
32
33-3B
3C
3D
A-6
EP-BX3
Initialization of the BIOS Data Area. (40:ON - 40:FF)
1. Program some of the Chipset's value according to Setup.
(Early Setup Value Program)
2. Measure CPU speed for display & decide the system clock speed.
3. Video initialization including Monochrome, CGA, EGA/VGA. If
no display device found, the speaker will beep.
1. Test video RAM. (If Monochrome display device found)
2. Show messages including.
- Award Logo, Copyright string, BIOS Data code & Part No.
- OEM specific sign on messages.
- Energy Star Logo. (Green BIOS ONLY)
- CPU brand, type & speed.
- Test system BIOS checksum. (Non-Compress Version only)
DMA channel 0 test.
DMA channel 1 test.
DMA page registers test.
Reserved.
Test 8254 Timer 0 Counter 2.
Test 8259 interrupt mask bits for channel 1.
Test 8259 interrupt mask bits for channel 2.
Reserved.
Test 8259 functionality.
Reserved.
If EISA NVM checksum is good, execute EISA initialization.
(EISA BIOS only)
Reserved.
Detect Base Memory & Extended Memory Size.
1. Test Base Memory from 256K to 640K.
2. Test Extended Memory from 1M to the top of memory.
1. Display the Award Plug & Play BIOS Extension message.
(PnP BIOS only)
2. Program all onboard super I/O chips (if any) including COM ports,
LPT ports, FDD port ... according to setup value.
Reserved.
Set flag to allow users to enter CMOS Setup Utility.
1. Initialize Keyboard.
2. Install PS2 mouse.
EP-BX3
3E
3F-40
BF
41
42
43
45
44
45
46-4D
4E
4F
50
51
52
53
60
Appendix
Try to turn on Level 2 cache.
Note: Some chipset may need to turn on the L2 cache in this stage.
But usually, the cache is turn on later in POST 61h.
Reserved.
1. Program the rest of the Chipset's value according to Setup.
(Later Setup Value Program)
2. If auto-configuration is enabled, program the chipset with
pre-defined Values.
Initialize floppy disk drive controller.
Initialize Hard drive controller.
If it is a PnP BIOS, initialize serial & parallel ports.
Reserved.
Initialize math coprocessor.
Reserved.
If there is any error detected (such as video, kb...), show all error
messages on the screen & wait for user to press <F1> key.
1. If password is needed, ask for password.
2. Clear the Energy Star Logo. (Green BIOS only)
Write all CMOS values currently in the BIOS stack area back into the
CMOS.
Reserved.
1. Initialize all ISA ROMs.
2. Later PCI initializations. (PCI BIOS only)
- assign IRQ to PCI devices.
- initialize all PCI ROMs.
3. PnP Initialzations. (PnP BIOS only)
- assign IO, Memory, IRQ & DMA to PnP ISA devices.
- initialize all PnP ISA ROMs.
4. Program shadows RAM according to Setup settings.
5. Program parity according to Setup setting.
6. Power Management Initialization.
- Enable/Disable global PM.
- APM interface initialization.
1. If it is NOT a PnP BIOS, initialize serial & parallel ports.
2. Initialize time value in BIOS data area by translate the RTC time
value into a timer tick value.
Setup Virus Protection. (Boot Sector Protection) functionality
according to Setup setting.
A-7
Appendix
61
62
63
FF
EP-BX3
1. Try to turn on Level 2 cache.
Note: If L2 cache is already turned on in POST 3D, this part will be
skipped.
2. Set the boot up speed according to Setup setting.
3. Last chance for Chipset initialization.
4. Last chance for Power Management initialization. (Green BIOS
only)
5. Show the system configuration table.
1. Setup daylight saving according to Setup value.
2. Program the NUM Lock, typematic rate & typematic speed
according to Setup setting.
1. If there is any changes in the hardware configuration, update the
ESCD information. (PnP BIOS only)
2. Clear memory that have been used.
3. Boot system via INT 19H.
System Booting. This means that the BIOS already pass the control
right to the operating system.
B-2 Unexpected Errors:
POST (hex)
B0
B1
A-8
DESCRIPTION
If interrupt occurs in protected mode.
Unclaimed NMI occurs.0
EP-BX3
Appendix
Appendix C
NOTE:
The "LOAD SETUP DEFAULTS" function loads the system default data directly from ROM and
initializes the associated hardware properly. This function will be necessary when you accept this
mainboard, or the system CMOS data is corrupted.
ROM PCI/ISA BIOS(2A69KPAB)
CMOS SETUP UTILITY
AWARD SOFTWARE, INC.
STANDARD CMOS SETUP
SUPERVISOR PASSWORD
BIOS FEATURES SETUP
USER PASSWORD
CHIPSET FEATURES SETUP
IDE HDD AUTO DETECTION
POWER MANAGEMENT SETUP
HDD LOW LEVEL FORMAT
PNP/PCI CONFIGURA
Load SETUP Default (Y/N)? Y
INTEGRATED PERIPH
ETUP
SAVING
LOAD SETUP DEFAULTS
ESC: QUIT
F10:Save & Exit Setup
é ê è
:SELECT ITEM
(Shift)F2 :Change Color
Load Setup Defaults Except Standard COMS SETUP
LOAD SETUP DEFAULTS
A-9
Appendix
EP-BX3
Appendix D
CPU Clock Frequency Selection In BIOS Setting.
There is a special function for CPU over-clocking requirement which can be chosen and set
by BIOS, please refer to the following steps for adjustment.
1. Enter the BIOS CMOS setup program.
2. Choose “Chipset Features Setup” in main menu.
3. Use “Page down” (or+) / “Page up (or -) to choose CPU clock frequency as one of 66.8, 75,
83.3MHz or by JP3 to setting from 103MHz to 133MHz.
(Note: There are 66.8, 75 and 83.3MHz for pentium II CPU CLOCK frequency. 100, 103,
112 and 133MHz CPU clock are used for Deschutes CPU.)
4. Press “Save & Exit setup” to complete BIOS setting.
If screen becomes blank or system can’t boot anymore after above setting. that means your
CPU couldn’t be capable of supporting overclock, and you have to follow the steps below to
recover the CPU clock frequency.
Step 1: Power the system off. (J3 PW-ON)
Step 2: Press <INS> (Insert) key while powering on the system, system will function with
66MHz external frequency at this moment which depends on what kind of CPU on
board.
Step 3: Please choose lower frequency and try again.
Warning:
We do not guarantee all CPUs can be over-clocked, it depends on CPU design and the
peripherals you are using; it’s vitally important to use faster peripherals (faster SDRAM, I/O,
AGP card...) to come with the higher CPU clock frequency.
Please set apporpriate CPU CLOCK frequency to make the system stable.
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