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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
March 09, 2001
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Table of Contents
Section 1 Introduction
Components Checklist ........................................1-1
Overview
AMD DuronTM & AthlonTM Processors .............1-2
Accelerated Graphics Port..................................1-3
Hardware Monitoring ..........................................1-3
Mainboard Form-Factor ......................................1-4
I/O Shield Connector ..........................................1-5
Power-On/Off (Remote)..................................... 1-5
System Block Diagram........................................ 1-6
Section 2 Features
Mainboard Features .............................................2-1
Section 3 Installation
Mainboard Detailed Layout................................. 3-2
Easy Installation Procedure
CPU Insertion ...................................................... 3-3
Jumper Settings ................................................... 3-5
System Memory Configuration ..........................3-7
Device Connectors ..............................................3-9
Section 4 Award BIOS Setup
Main Menu...........................................................4-1
Standard CMOS Setup .........................................4-2
Advanced BIOS Features .....................................4-3
Advanced Chipset Features .................................4-8
Integrated Peripherals ..........................................4-12
Power Management Setup ................................... 4-16
PNP/PCI Configuration......................................... 4-19
PC Health Status ..................................................4-21
Page

Frequency/Voltage Control .................................. 4-21
Defaults Menu ..................................................... 4-22
Supervisor/User Password Setting ..................... 4-23
Exit Selecting ...................................................... 4-24
Appendix
Appendix A
Load Setup Defaults ............................................A-1
Appendix B
GHOST 5.1/6.03 Quick User’s Guide ....................B-1

Introduction
Page 1-1
Section 1
INTRODUCTION
Packing Checklist
AB
USER’S
MANUAL
D
C
EF
or
Package Contents
A.(1) Mainboard
B. (1) User’s manual
C. (1) Floppy ribbon cable
D. (1) ATA-66/100 Hard drive ribbon
cable
F. (1) Driver and utility
Optional Item
E. (1) USB Cable

Introduction
Page 1-2
Overview
AMD DuronTM & AthlonTM Processors
The AMD AthlonTM is a seventh-generation micro architecture with an integrated
L2 cache, which is powerful enough to support the bandwidth requirements of a
large range of applications, hardware, graphics, and memory technologies. These
processors implement advanced design techniques such as:
Socket A (PGA 462)
200 or 266MHz system interface based on the Alpha™ EV6 bus protocol.
Three out-of-order, superscalar, pipelined Multimedia Units.
Three out-of-order, superscaler, pipelined Integer Units.
Fixed-sized internal instruction formats (MacroOPs).
72-entry Instruction Control Units.
AMD enhanced 3DNow!™ technology
L1 and L2 caches.
Dynamic branch prediction.
Socket A is the name for AMD’s new socketed interface designed to support both
AMD DuronTM and AMD AthlonTM processors. This innovation is made possible
by integrating the L2 cache memory on chip with the processor. Socket A will
help enable smaller enclosures, and ultimately result in a wider variety of solu-
tions in the market.
The AMD DuronTM & AthlonTM processors in the Socket A format continue to
deliver the ultimate performance for cutting-edge applications. Both bring to
desktop systems running industry-standard x86 software superscalar RISC
performance. Being provided in the Socket A format they are the world’s most
powerful x86 processors. They easily deliver the highest integer, floating-point,
and 3D multimedia performance for applications running on x86 platforms
around.

Introduction
Page 1-4
Mainboard Form-Factor
The board is designed with ATX form factor - the new industry standard of chassis.
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, etc.) to
systems. This will help systems integrators differentiate their products in the
marketplace, and better meet your needs.
• Smaller size promotes a smaller system size.
• I/O shield does not need to be retooled in an ATX 2.01 or later. The
mainboard should be used in an ATX 2.01 (or later) compliant case.
• A smaller power supply can be used. High integration on mainboard
reduces the system costs.
Expandable I/O
5 1/4"
Bay
3 1/2"
Bay
Figure 2: Summary of ATX chassis features
CPU
Single chassis
fan for system
ATX
Power
Supply
ATX power connec-
tor
Floppy / IDE
connectors
PCI Slots
AGP Slot

Introduction
Page 1-5
Power-On/Off (Remote)
The board 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 board 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 M/B’s onboard
circuit controller) that can be controlled by the operating system such as Win-
dows® 95/98/SE/ME or Windows®2000.
Figure 4: Simple ATX Power ON/OFF Controller
J 3
ATX
POWER SUPPLY
Case (chassis) Power
ON/OFF button (J 3)
I/O Shield Connector
The board is equipped with an I/O back panel. Please use the appropriate I/O
shield (figure 3).
Figure 3: I/O back panel layout MIC
parallel port Joystick/Midi port
USB port
COM1 COM2 Speaker
Line_in
PS/2 Mouse
PS/2
KEYBOARD

Features
Page 2-1
Section 2
FEATURES
Mainboard Features:
PROCESSOR
- AMD Athlon TM, Duron TM Processors, Socket A, operating at 600MHz ~
1.1GHz
CHIPSET
- VIA KT133A AGPset (VT8363A + 686B)
DRAM MODULE
- 168pin DIMM x 3 for PC133/VC133 Memory
- DRAM Size: 32MB to 1.5GB
EXPANSION SLOT
- PCI x 5, 4X AGP x 1
ONBOARD I/O
- On-Chip I/O integrated with K/B, Mouse, FDD, Parallel and Serial, Fast IR
and Power-ON controllers
ONBOARD PCI / IDE
- PCI Bus IDE Port with PIO / Ultra DMA-66/100 x 2 (Up to 4 Devices)
I/O CONNECTOR
- PS/2 Mouse and PS/2 style Keyboard
USB
- USB connector x 4 (2 for Opt.)

Features
Page 2-2
BIOS
- Award Plug & Play BIOS
Built-in AC97 Digital Audio(by VT82C686B)
- Dual full-duplex Direct Sound channels
- H/W Sound Blaster Pro for DOS legacy compatibility
- FM synthesis for legacy compatibility
- Supports game and MIDI port
EXTENDED FUNCTION
- Supports exclusive USDM(Unified System Diagnostic Manager) and
Hardware Monitoring Function by VT82C686B
- Support CPU Clock Setting (1 or 2 increment) via BIOS
- Support CPU Vcore & Ratio setting by DIP switch
- Supports Wake-On-LAN Function
FORM FACTOR
- 305mm x 205mm ATX Size

Installation
Page 3-1
Figure 1
Mainboard Detailed Layout
Section 3
INSTALLATION

Installation
Page 3-3
Step 3
Close the socket by lowering and
locking the actuation lever.
Figure 4
Figure 5
Step 4
Thermal compound and qualified heatsink recommended by AMD are a must to
avoid CPU overheated and burned.

Installation
Page 3-4
Section 3-2
Jumper Settings
12345
ON
6
SW1: CPU Vcore Voltage Selection
1WS erocVUPC )V(
12345 6
FFOFFOFFOFFONONO574.1
NOFFOFFOFFONONO005.1
FFONOFFOFFONONO525.1
NONOFFOFFONONO055.1
FFOFFONOFFONONO575.1
NOFFONOFFONONO006.1
FFONONOFFONONO526.1
NONONOFFONONO056.1
FFOFFOFFONONONO576.1
NOFFOFFONONONO007.1
FFONOFFONONONO527.1
NONOFFONONONO057.1
FFOFFONONONONO577.1
NOFFONONONONO008.1
FFONONONONONO528.1
NONONONONONO058.1
FFOFFOFFOFFOFFOFFOOTUA
*Note: any Vcore setting over CPU specification may
cause CPU to be burned.
2WS oitaR
12345
NONOFFONONO5
FFONOFFONONO5.5
NOFFOFFONONO6
FFOFFOFFONONO5.6
NONONOFFONO7
FFONONOFFONO5.7
NOFFONOFFONO8
FFOFFONOFFONO5.8
NONOFFOFFONO9
FFONOFFOFFONO5.9
NOFFOFFOFFONO01
FFOFFOFFOFFONO5.01
NONONONONO11
FFONONONONO5.11
NOFFONONONO21
FFOFFONONONO5.21
FFOFFOFFOFFOFFOOTUA
SW2: CPU Ratio Selection
12345
ON
(Default)
(Default)

Installation
Page 3-5
41PJkcolCtsoH
2-1zHM001
3-2zHM331
CPU Host Clock Select
JP14
1
(Default)
JP3 Power Loss Recovery
JP3 =1-2 Disabled (Default)
=2-3 Enabled
1
1
JP1 CMOS Clear
JP1 = 1-2 Normal (Default)
= 2-3 Clear CMOS

Installation
Page 3-6
Section 3-3
System Memory Configuration
Memory Layout
The board supports (3) PC133/VC133 168-pin DIMMs (Dual In-line Memory
Module). The DIMMs is for SDRAM (Synchronous DRAM) only.
• SDRAM may be 83MHz (12ns), 100MHz (10ns), 125MHz (8ns) or
133MHz (7.5ns) bus speed.
• If you use both 50ns and 60ns memory you must configure your
BIOS to read 60ns.
• When using Synchronous DRAM we recommend using the 4 clock
variety over the 2 clock.
Figure 6 and Table 1 show several possible memory configurations.
* SDRAM supports 32, 64, 128, 256MB, 512MB DIMM modules.
* We recommend to use PC100/VC100 Memory Module for bus speed
100MHz and PC133/VC133 Memory for bus speed over 100MHz.
* Using non-compliant memory with higher bus speed (over clocking) may
severely compromise the integrity of the system.
DIMM 1
DIMM 2
DIMM 3
Bank 0/1 S
y
nchronous
DRAM
Bank 2/3
Bank 4/5
yromeMlatoT 1MMID )1/0knaB( 2MMID )3/2knaB( 3MMID )5/4knaB(
BM215= mumixaM
*MARDS ,BM821,BM46,BM23 1XBM215,BM652 enoNenoN
BG1= mumixaM
*MARDS ,BM821,BM46,BM23 1XBM215,BM652
*MARDS ,BM821,BM46,BM23 1XBM215,BM652 enoN
BG5.1= mumixaM
*MARDS ,BM821,BM46,BM23 1XBM215,BM652
*MARDS ,BM821,BM46,BM23 1XBM215,BM652
*MARDS ,BM821,BM46,BM23 1XBM215,BM652
Figure 6
Table 1

Installation
Page 3-8
Section 3-4
Device Connectors
Figure 10
J2,J3: Chassis Panel Connector
• Power_LED, Speaker, Reset, Power ON/Off, Turbo LED, HDD LED,
IR Conn.,
J4: CPU Fan Power
• A plug-in for the CPU Fan Power
J5: Power Fan Power
• A plug-in for the Power Supply Fan Power
J6: Chassis Fan Power
• A plug-in for the chassis Fan Power
J7: WOL (Wake On Lan) Connector
IDE1: Ultra ATA-66/100 Primary IDE Connector (Blue Color)
IDE2: Ultra ATA-66/100 Secondary IDE Connector (Blue Color)
FDD1: Floppy Controller Connector (Black Color)
PWR1: ATX Power Connector
• 20-pin power connector
CD1: CD Audio_IN Connector
• Pin1(CD_IN_Left), Pin2/Pin3(CD_Reference), Pin4(CD_IN_Right)
MIC
parallel port Joystick/Midi port
USB port
COM1 COM2 Speaker
Line_in
PS/2 Mouse
PS/2
KEYBOARD

Installation
Page 3-9
AUX1: Auxiliary Line_IN Connector
• Pin1(Left Line_IN), Pin2/Pin3(GND), Pin4(Right Line-IN)
MODEM1: Telephony Connector for Modem audio output
• Pin1(Audio_in), Pin2/Pin3(GND), Pin4(Mic-out to Modem)
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4kcalBdnuorGdnuorGelbaC
5kcalBdnuorGdnuorGesaC
6kcalBdnuorGdnuorGesaC
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USB port header pin descriptions.
1
VCC
VCC
GND
GND
-Data
-Data
+Data +Data
5
6
10
USB2: USB port header pins for adding two additional USB ports.

Installation
Page 3-10
Device Connectors (continued)
Reset - Closed to restart system.
(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 push the button down for
4 seconds before the system turns off). When the system is in 4 sec
delay mode, suspend mode is enabled by pushing the button
momentarily.)
Turbo LED indicator - LED ON when higher speed is selected
IDE LED indicator - LED ON when Onboard PCI IDE Hard disks
is activate
J3 1
+
+
IR Connector
1. VCC 4. GND
2. NC 5. IRTX
3. IRRX
1
Power On/Off
J2
Speaker - Connect to the system's speaker for beeping
1. Speaker 3. GND
2. N/C 4. GND
Power LED - Power LED connector
1. Power LED(+) 4. NC
2. N/C 5. GND
3. GND
1
1
1

Installation
Page 3-11
Page Left Blank

BIOS
Page 4-1
Section 4
AWARD BIOS SETUP
Main Menu
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.
Figure 1: CMOS Setup Utility

BIOS
Page 4-2
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.
Figure 2: Standard CMOS Setup

BIOS
Page 4-3
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.
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 Advanced BIOS Features
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 board.
Pressing the [F1] key will display a help message for the selected item.
Figure 3: BIOS Features Setup

BIOS
Page 4-4
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.
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 CPU’s L2 cache thereby increasing performance.
Disabled: This deactivates the CPU’s L2 cache thereby lowering performance.
CPU L2 Cache ECC Checking: This control if the CPU’s L2 Cache will
support Error Checking and Correcting (ECC). The default is Disabled.
Enabled: Enables ECC support for the CPU’s L2 cache. Performance will
decrease 2% ~ 4%.
Disabled: Disables ECC support for the CPU’s L2 cache.
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.

BIOS
Page 4-6
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. 8: 8 characters per second.
10: 10 characters per second. 12: 12 characters per second.
15: 15 characters per second. 20: 20 characters per second.
24: 24 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.
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.
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:

BIOS
Page 4-7
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.

BIOS
Page 4-8
DRAM Timing By SPD: Select Enabled for setting SDRAM timing by SPD.
The Choice: Enabled, Disabled.
DRAM Clock : The item will synchronize/asynchronize DRAM operation clock.
Default is by SPD.
100MHz: DRAM is running at 100MHz frequency.
133MHz: DRAM is running at 133MHz frequency.
SDRAM Cycle length: This setting defines the CAS timing parameter of the
SDRAM in terms of clocks. Default is by SPD.
2: Provides faster memory performance.
3: Provides better memory compatibility.
Bank Interleave: The item allows you to set how many banks of SDRAM support
in your mainboard. Default is by SPD.
The Choice: 2 Bank, 4 Bank, Disabled.
4-3 Advanced Chipset Features
Choose the “CHIPSET FEATURES SETUP” in the CMOS SETUP UTILITY menu
to display following menu.
Figure 4: Chipset Features Setup

BIOS
Page 4-9
DRAM Page-Mode: The item will active or inactive chipset page registers.
Enabled: Page-Mode Enabled.
Disabled: No page registers update and non Page-Mode operation.
Memory Hole : 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.
P2C/C2P Concurrency: This item allows you to enable/disable the PCI to CPU,
CPU to PCI concurrency.
Fast R-W Turn Around: This item controls the DRAM timing. It allows you to
enable/disable the fast read/write turn around.
System BIOS Cacheable: This allows you to copy your BIOS code from slow
ROM to fast RAM. The default is Disabled.
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.
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.
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.

BIOS
Page 4-10
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.
AGP Mode: Chipset AGP Mode support.
Options: x1 , x2 and x4.
AGP Driving Control: This item allows you to adjust the AGP driving force.
Choose Manual to key in a AGP Driving Value in the next selection. This field is
recommended to set in Auto for avoiding any error in your system.
AGP Fast Write: Selecting Enabled allows to use Fast Write Protocol for 4X
AGP.
OnChip USB/USB2: USB Connector (Port 0-1)/(Port 2-3).
The choice: Enabled, Disabled.
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.
OnChip Sound: Turn on/off onchip sound device.
CPU to PCI Write Buffer: When enabled, up to four D words of data can be
written to the PCI bus without interruting the CPU. When disabled, a write buffer
is not used and the CPU read cycle will not be completed until the PCI bus signals
that it is ready to receive the data.
The Choice: Enabled, Disabled.
PCI Dynamic Bursting: When Enabled, data transfers on the PCI bus, where
possible, make use of the high-performance PCI bust protocol, in which graeater
amounts of data are transferred at a single command.
The Choice: Enabled, Disabled.

BIOS
Page 4-11
PCI Master 0 WS Write: When Enabled, writes to the PCI bus are command with
zero wait states.
The Choice: Enabled, Disabled.
PCI Delay Transaction: The chipset has an embedded 32-bit posted write buffer
to support delay transactions cycles. Select Enabled to support compliance with
PCI specification version 2.1.
The Choice: Enabled, Disabled.
PCI #2 Access #1 Retry: This item allows you enabled/disable the PCI #2
Access #1 Retry.
The Choice: Enabled, Disabled.
AGP Master 1 WS Write: When Enabled, writes to the AGP (Accelerated
Graphics Port) are executed with one wait states.
The Choice: Enabled, Disabled.
AGP Master 1 WS Read: When Enabled, read to the AGP (Accelerated Graph-
ics Port) are executed with one wait states.
The Choice: Enabled, Disabled.

BIOS
Page 4-13
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.
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.
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.
Secondary Slave PIO: The default is Auto.
Auto: BIOS will automatically detect the Onboard Secondary Slave PCI
IDE HDD Accessing mode.
Mode 0~4: Manually set the IDE Programmed interrupt mode.
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.
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.
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.
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.

BIOS
Page 4-15
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 VIA686B’s LPT port.
Onboard Parallel Port Mode: This field allows the user to select the parallel
port mode.
The default is Normal.
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.
Parallel Port EPP Type: This item allows you to determine the IR transfer
mode of onboard I/O chip.
The Choice: EPP1.9, EPP1.7.
Onboard Legacy Audio: Legacy Audio enabled/disabled.
Sound Blaster: Sound Blaster compatible device enabled/disabled.
SB I/O Base Address: Sound Blaster I/O resource selection.
SB IRQ Select: Legacy audio device IRQ selection.
SB DMA Select: Sound Blaster DMA channel selection.
MPU-401: MPU-401 function enabled/disabled.
MPU-401 I/O Address: Built-in MPU-401 compatible MIDI I/O port selection:
300-303H
310-313H
320-323H
330-333H (default)
Game Port (200-207H): Built-in joystick port support disabled/enabled(default).

BIOS
Page 4-16
4-5 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.
Figure 6: Power Management Setup
ACPI Function: This option allows you to select ACPI Function.
The default is Enabled.
Enabled: Support ACPI function for new O.S
Disabled: No Support ACPI function.
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.

BIOS
Page 4-17
User define: Allows user to define PM Timers parameters to control power
saving mode.
PM controlled by APM: This option shows weather 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 Option: Tells you what time frame that the video will be disabled
under current power management settings. The default is Standby.
All Modes-> Off: Video powers off after time shown in doze mode setting.
Suspend->Off: Video powers off after time shown in suspend mode setting.
Always On: Video power off not controlled by power management.
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.
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: IRQ 3
4: IRQ 4 5: IRQ 5
7: IRQ 7 9: IRQ 9
10: IRQ 10 11: IRQ 11
Soft-Off by PWRBTN: Use this to select your soft-off function.
The default is Instant Off.
Instant Off: Turns off the system instantly.

BIOS
Page 4-18
Delay 4 Second : Turns off the system after a 4 second delay. If momentary press
of button, the system will go into Suspend Mode. Press the
power botton again to take system out of Suspend Mode.
State After Power Failure: This field lets you determine the state that your PC
returns to after a power failure. If set to Off, the PC will not boot after a power
failure, if set to On, the PC will restart after a power failure.
VGA: When set to On (default), any event occurring at a VGA port will awaken a
system which has been powered down.
LPT & COM: When set to On (default), any event occurring at a COM(serial)/
LPT (printer) port will awaken a system which has been powered down.
HDD & FDD: When set to On (default), any event occurring at a hard or floppy
drive port will awaken a system which has been powered down.
PCI Card: When set to On (default), any event occurring to the DMA controller
will awaken a system which has been powered down.
Modem Ring Resume: When set to Enabled, any event occurring to the Modem
Ring will awaken a system which has been powered down.
RTC Alarm Resume: When set to Enable rtc alarm resume, you could set the
date (of month) and timer (hh:mm:ss), any event occurring at will awaken a
system which has been powered down.
Primary INTR: When set to On (default), any event occurring at will awaken a
system which has been powered down.

BIOS
Page 4-19
4-6 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.
Figure 7: 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 Auto.
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.

BIOS
Page 4-20
Reset Configuration Data: This setting allows you to clear ESCD data.
The default is Disabled
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/VGA Palette Snoop: Leave this field at Disabled.
The choice: Enabled, Disabled.
Assign IRQ For VGA/USB: This item allows BIOS to assign whether IRQ is
with VGA/USB or not. If you have not connect the VGA/USB device. Can
release the IRQ for other device. The default is Enabled.
Enabled: Provides IRQ for VGA/USB device.
Disabled: Release IRQ for other device.
PCI Latency Timer (CLK): The latency timer defines the minimum amount of
time, in PCI clock cycles, that the bus master can retain the ownership of the bus.
The Choice: 0-255.
INT Pin 1 to Pin 4 Assignment : These settings allow the user to specify what
IRQ will be assigned to PCI devices in the chosen slot. Options available: Auto,3,
4,5,7,9,10,11,12,14 & 15. The defaults are Auto.

BIOS
Page 4-21
4-7 PC Health Status
Current CPU Temperature: This is the current temperature of the CPU.
Current System Temperature: This is the Current temperature of the system.
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(Vcore).
AGP Vcore: The voltage level of Power supplied to AGP card.
1.52V: for 4X AGP card.
3.3V : for 2X AGP card.
3.3V, 5V, 12V: The voltage level of the switch power supply.
31oC/87oF
0oC/32oF
6135 RPM
0 RPM
1.62V
5.01V
1.52V
12.12V
3.22V

BIOS
Page 4-22
4-8 Frequency/Voltage Control
Auto Detect DIMM/PCI Clk: When enabled the motherboard will automatically
disable the clock source for a DIMM socket which does not have a module in it.
Same applies for PCI slots. The default is Enabled.
Enabled: Enables this option.
Disabled: Disables this option.
CPU Host/PCI/Spread Spec. : The mainboard is designed to set the CPU Host/PCI/
Spread clock via BIOS. This item allows you to select the CPU Host, PCI and
Spread clock speed by “Enter” key. “Default” means the CPU Host speed is auto
detected.
Note: Overclocking failure will cause system No display problem. At this moment,
please press “Insert” key to back to the initial or default setting to boot up
your system.

BIOS
Page 4-23
4-9 Defaults Menu
Selecting “Defaults” from the main menu shows you two options which are described
below
Load Fail-Safe Defaults
When you press <Enter> on this item you get a confirmation dialog box with a
message similar to:
Load Fail-Safe Defaults (Y/N) ? N
Pressing ‘Y’ loads the BIOS default values for the most stable, minimal-perfor-
mance system operations.
Load Optimized Defaults
When you press <Enter> on this item you get a confirmation dialog box with a
message similar to:
Load Optimized Defaults (Y/N) ? N
Pressing ‘Y’ loads the default values that are factory settings for optimal perfor-
mance system operations.

BIOS
Page 4-24
4-10 Supervisor/User Password Setting
You can set either supervisor or user password, or both of then. The differences
between are:
supervisor password : can enter and change the options of the setup menus.
user password : just can only enter but do not have the right to change the
options of the setup menus. When you select this function, the following message
will appear at the center of the screen to assist you in creating a password.
ENTER PASSWORD:
Type the password, up to eight characters in length, and press <Enter>. The pass-
word typed now will clear any previously entered password from CMOS memory.
You will be asked to confirm the password. Type the password again and press
<Enter>. You may also press <Esc> to abort the selection and not enter a password.
To disable a password, just press <Enter> when you are prompted to enter the
password. A message will confirm the password will be disabled. Once the pass-
word is disabled, the system will boot and you can enter Setup freely.
PASSWORD DISABLED.
When a password has been enabled, you will be prompted to enter it every time you
try to enter Setup. This prevents an unauthorized person from changing any part of
your system configuration.
Additionally, when a password is enabled, you can also require the BIOS to request
a password every time your system is rebooted. This would prevent unauthorized
use of your computer.
You determine when the password is required within the BIOS Features Setup Menu
and its Security option. If the Security option is set to “System”, the password will
be required both at boot and at entry to Setup. If set to “Setup”, prompting only
occurs when trying to enter Setup.

BIOS
Page 4-26
Page Left Blank

Appendix
A-1
Appendix A
NOTE:
The "LOAD Optimized 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.
LOAD Optimized DEFAULTS
CMOS Setup Utility - Copyright ( C ) 1984-1998
Standard CMOS Feature
Advanced BIOS Feature
Advanced Chipset Feature
Integrated Peripherals
Power Management Setup
PnP/PCI Configurations
PC Health Status
Frequency/Voltage Control
Load Fail-Safe Defaults
Load Optimized Defaults
Set Supervisor Password
Set User Password
Save & Exit Setup
Exit Without Saving
Esc : Quit n p m o : Select Item
F10 : Save & Exit Setup
Time, Date, Hard Disk Type….
Load Optimized Defaults (Y/N)? Y

Appendix
A-2
Page Left Blank
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