JETWAY V266B User Manual
V266B
USER'S MANUAL
M/B For Socket-A Athlon/Duron Processor
NO. G03-V266BR4A
Release date: January 2003
Trademark:
* Specifications and Information contained in this documentation are furnished for information use only, and are
subject to change at any time without notice, and should not be construed as a commitment by manufacturer.
i
USER’S NOTICE ..........................................................................................................1
MANUAL REVISION INFORMATION..........................................................................1
COOLING SOLUTIONS ..............................................................................................1
CHAPTER 1 INTRODUCTION OF V266B MOTHERBOARD
1-1 FEATURE OF MOTHERBOARD ...................................................................................... 2
1-2 SPECIFICATION.................................................................................................................. 3
1-3 PERFORMANCE LIST........................................................................................................ 4
1-4 LAYOUT DIAGRAM & JUMPER SETTING ................................................................... 5
CHAPTER 2 HARDWARE INSTALLATION
2-1 HARDWARE INSTALLATION STEPS............................................................................. 7
2-2 CHECKING MOTHERBOARD'S JUMPER SETTING................................................... 7
2-3 INSTALL CPU....................................................................................................................... 9
2-3-1 GLOSSARY................................................................................................................ 9
2-3-2 ABOUT AMD ATHLON & DURON 462-PIN CPU............................................... 10
2-4 INSTALL MEMORY............................................................................................................ 10
2-5 EXPANSION CARD.............................................................................................................. 11
2-5-1 PROCEDURE FOR EXPANSION CARD INSTALLATION ............................... 11
2-5-2 ASSIGNING IRQ FOR EXPANSION CARD......................................................... 12
2-5-3 INTERRUPT REQUEST TABLE FOR THIS MOTHERBOARD....................... 12
2-5-4 AGP SLOT.................................................................................................................. 13
2-6 CONNECTORS, HEADERS ................................................................................................ 13
2-6-1 CONNECTORS.......................................................................................................... 13
2-6-2 HEADERS .................................................................................................................. 16
2-7 STARTING UP YOUR COMPUTER.................................................................................. 19
CHAPTER 3 INTRODUCING BIOS
3-1 ENTERING SETUP............................................................................................................... 20
3-2 GETTING HELP ................................................................................................................... 20
3-3 THE MAIN MENU................................................................................................................ 21
3-4 STANDARD CMOS FEATURES ........................................................................................ 22
3-5 ADVANCED BIOS FEATURES.......................................................................................... 23
3-6 ADVANCED CHIPSET FEATURES .................................................................................. 25
3-6-1 DRAM TIMING SETTINGS .................................................................................... 26
3-6-2 AGP TIMING SETTINGS........................................................................................ 27
3-6-3 PCI TIMING SETTINGS ......................................................................................... 27
3-7 INTEGRATED PERIPHERALS.......................................................................................... 27
3-7-1 ONCHIP IDE FUNCTION ....................................................................................... 28
3-7-2 ONCHIP DEVICE FUNCTION............................................................................... 29
3-7-3 ONCHIP SUPER IO FUNCTION............................................................................ 29
3-8 POWER MANAGEMENT SETUP...................................................................................... 30
3-8-1 WAKE UP EVENTS................................................................................................. 31
3-8-1.1 IRQS ACTIVITIES ................................................................................... 32
3-9 PNP/PCI CONFIGURATION SETUP ................................................................................ 32
3-9-1 IRQ RESOURCES.................................................................................................... 33
3-10 PC HEALTH STATUS ........................................................................................................ 34
3-11 MISCELLANEOUS CONTROL ........................................................................................ 35
3-12 LOAD STANDARD/OPTIMIZED DEFAULTS ............................................................... 36
3-13 SET SUPERVISOR/USER PASSWORD........................................................................... 36
CHAPTER 4 DRIVER & FREE PROGRAM INSTALLATION
MAGIC INSTALL SUPPORTS WINDOWS 95/98/98SE/NT4.0/2000/XP................................. 37
4-1 VIA 4 IN 1 INSTALL VIA SERVICE PACK 4 IN 1 DRIVER .............................. 38
4-2 SOUND INSTALL ALC/CMI AUDIO CODEC DRIVER ................................. 40
4-3 PC-HEALTH WINBOND HARDWARE DOCTOR MONITORING SOFTWARE 42
4-3-1 HOW TO UTILIZE PC-HEALTH........................................................................... 43
4-4 MAGIC BIOS INSTALL BIOS LIVE UPDATE UTILITY.......................................... 43
4-5 PC-CILLIN INSTALL PC-CILLIN2002 ANTI-VIRUS PROGRAM ..................... 45
4-6 HOW TO DISABLE ON-BOARD SOUND......................................................................... 46
4-7 HOW TO UPDATE BIOS..................................................................................................... 46
TABLE OF CONTENT
1
USER’S NOTICE
COPYRIGHT OF THIS MANUAL BELONGS TO THE MANUFACTURER. NO PART OF THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT MAY BE
REPRODUCED, TRANSMITTED OR TRANSLATED INTO ANY LANGUAGE IN ANY FORM OR
BY ANY MEANS WITHOUT WRITTEN PERMISSION OF THE MANUFACTURER.
THIS MANUAL CONTAINS ALL INFORMATION REQUIRED TO USE V266B MOTHER-BOARD
AND WE DO ASSURE THIS MANUAL MEETS USER’S REQUIREMENT BUT WILL CHANGE,
CORRECT ANY TIME WITHOUT NOTICE. MANUFACTURER PROVIDES THIS MANUAL “AS IS”
WITHOUT WARRANTY OF ANY KIND, AND WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTIAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMANGES FOR LOSS OF PROFIT,
LOSS OF BUSINESS, LOSS OF USE OF DATA, INTERRUPTION OF BUSINESS AND THE LIKE).
PRODUCTS AND CORPORATE NAMES APPEARING IN THIS MANUAL MAY OR MAY NOT BE
REGISTERED TRADEMARKS OR COPYRIGHTS OF THEIR RESPECTIVE COMPANIES, AND
THEY ARE USED ONLY FOR IDENTIFICATION OR EXPLANATION AND TO THE OWNER’S
BENEFIT, WITHOUT INTENT TO INFRINGE.
Manual Revision Information
Reversion Revision History Date
4.0 Fourth Edition January 2002
Item Checklist
5
V266B Motherboard
5
Cable for IDE/Floppy
5
CD for motherboard utilities
□
Cable for USB Port 3/4 (Option)
5
V266B User’s Manual
AMD Athlon™ / Duron™ Processor Family
Cooling Solutions
As processor technology pushes to faster speeds and higher performance, thermal management
becomes increasingly crucial when building computer systems. Maintaining the proper thermal
environment is key to reliable, long-term system operation. The overall goal in providing the proper
thermal environment is keeping the processor below its specified maximum case temperature.
Heatsinks induce improved processor heat dissipation through increased surface area and
concentrated airflow from attached fans. In addition, interface materials allow effective transfers of
heat from the processor to the heatsink. For optimum heat transfer, AMD recommends the use of
thermal grease and mounting clips to attach the heatsink to the processor.
When selecting a thermal solution for your system, please refer to the website below for collection of
heatsinks evaluated and recommended by AMD for use with AMD processors. Note, those heatsinks
are recommended for maintaining the specified Maximum T case requirement. In addition, this
collection is not intended to be a comprehensive listing of all heatsinks that support AMD processors.
For vendor list of heatsink and fan, please visit：http://www1.amd.com/products/duron/thermals
http://www1.amd.com/products/athlon/thermals
Chapter 1
2
Introduction of V266B Motherboard
1-1 Feature of motherboard
The V266B motherboard is design for use AMD Athlon XP/Duron/Athlon 200MHz
/266MHz (Double Data Rate) Front Side Bus Frequency CPU, which utilize the
Socket-A design and the memory size expandable to 2.0GB.
This motherboard use the newest VIA KT-266A chipset, whose 133MHz/266MHz
(Double Data Rate) Front Side Bus frequency and 266MHz memory interface delivers
a clear upgrade path to the future generation of 266MHz processors, PC-1600/PC-2100
DDR DRAM and PC100/PC133 SDRAM. The V266B motherboard offers ULTRA
ATA
133
to provide speedier HDD throughout that boosts overall system performance.
This motherboard also has an integrated AC’97 2.1 CODEC on board which is fully
compatible with Sound Blaster Pro
that gives you the best sound quality and
compatibility.
For those wanting even greater graphic performance, an AGP 4X slot is included on the
board.
With USB control as well as capability of expanding to 4 USB function ports, the
V266B meet future USB demand.
The V266B motherboard provides CPU Ratio Setting by Jumper and special function
in BIOS Setup to setting CPU Host clock step by step increasing.
V266B provides high performance & meets future specification demand. It is really
wise choice for your computer.
1-2 Specification
Spec Description
3
Design
∗
ATX form factor 4 layers PCB size: 30.5x24.4cm
Chipset
∗
VIA KT266A/VT8233A Chipset
CPU Socket
∗
Support AMD Athlon 700MHz∼1.4GHz processor
∗
Support AMD Athlon XP 1500+∼2600+ processor
∗
Support AMD Duron 600MHz∼1.3GHz processor
∗
Support 200MHz/266MHz (Double Data Rate) Front Side
Bus frequency processors
∗
Reserves support for future AMD processors
Memory Socket
∗
184-pin DDR module socket x2
Support PC1600/PC2100 DDR DRAM
∗
168-pin SDRAM module socket x2
Support PC100/PC133 SDRAM
∗
Expandable to 2.0GB
Expansion Slot &
Headers
∗
AGP slot x1 support AGP 2.0 & 4X mode
∗
32-bit PCI slot x5
∗
CNR slot x1
Integrate IDE
∗
Two PCI IDE controllers support PCI Bus Mastering, ATA
PIO/DMA and the ULTRA DMA 33/66/100/
133
functions
that deliver the data transfer rate up to
133
MB/s
Audio
∗
AC’97 Digital Audio controller integrated
∗
AC’97 Audio CODEC on board
∗
Audio driver and utility included
BIOS
∗
Award 2MBit Flash ROM
Multi I/O
∗
PS/2 keyboard and PS/2 mouse connectors
∗
Floppy disk drive connector x1
∗
Parallel port x1
∗
Serial port x2
∗
USB connector x2
∗
USB headers x2 (connecting cable option)
∗
Audio connector (Line-in, Line-out , MIC & Game Port)
1-3 Performance List
The following performance data list is the testing result of some popular benchmark
testing programs. These data are just referred by users, and there is no responsibility
4
for different testing data values gotten by users (the different Hardware & Software
configuration will result in different benchmark testing results.)
Performance Test Report
CPU:
AMD Athlon 1.2GHz/Duron 1.1GHz
DRAM:
128M SDRAM x2 (Hyundai GM 72V66841ET75)
128M DDR SDRAM x2 (Samsung K4H280838B-TCB0)
VGA Expansion Card:
RIVA Geforce 256 (1024x768 Hi-color) Driver V3.68
Hard Disk Driver:
IBM DTLA-305040 (ATA-100)
BIOS:
Award Optimal default
OS:
Win 98SE
Athlon 1.2GHz Duron 1.1GHz
SDRAM
(133/133)
DDR
(133/133)
SDRAM
(100/100)
DDR
(100/100)
3D Mark 99 5936 5965 5818 5861
3D Mark 2000 4772 4787 4599 4659
3D Mark 2001 1969 1994 1883 1933
3D Winbench 99 V1.2 900 900 900 900
3D Winbench 2000 94.8 95.1 93.8 94.6
Final Reality 6.49 6.53 6.54 6.87
Winstone 99 V1.3 34.9 35.8 32.2 33.1
Content Creation Winstone 2000 42.5 43.2 37.8 39.6
Content Creation Winstone 2001 50.4 51.1 43.8 45.2
Business Winstone 2001 43.5 45.4 36.7 37.6
Winbench 99 :
CPU Mark 99 107 108 77.4 80.6
FPU Winmark 99 6580 6580 6000 6000
Business Disk Winmark99 8140 8540 7700 8370
Hi-end Disk Winmark99 21000 20500 18200 19000
Business Graphic Winmark 542 543 463 471
Hi-end Graphic Winmark 1560 1580 1380 1420
SYS Mark 2000 : SISMark 2000 Rating (Internet Content Creation / Office Productivity)
Suites 211 (214/208) 213 (216/210) 176 (194/163) 180 (200/166)
Official 213 (217/210) 214 (216/213) 177 (194/165) 180 (200/167)
SISOFT Sandra 2001 :
Dhrystone ALU MIPS 3341 3340 3022 3049
Whetstone FPU MFLOPS 1645 1629 1512 1496
Int ALU/RAM MB/S 419 533 365 514
Float FPU/RAM MB/S 500 688 419 558
QUAKE3 DEMO1 FPS 128.5 133.2 107.8 114.8
DEMO2 MIPS 128.2 132.8 105.6 113.8
1-4 Layout Diagram & Jumper Setting
PRINT GAME/MIDI PORT
5
Jumpers
Jumper Name Description Page
SW1 CPU Ratio Selector 10-pin Block P.7
JP4 CPU Front Side Bus Frequency OFF : 133MHz /266MHz P.8
COM1 COM2
PS/2 MOUSE
PS/2 Keyboard
USB
LINE-OUT
LINE-IN
MIC
PC99 Back Panel
Winbond 83697
Chip
K/B Power ON
Jumper (JP1)
FAN2
IR Connector
CNR Slot
Front Panel Audio
CD Audio
PCI Slot
CPU F.S.B. Clock
Jumper (JP4)
Floppy Connector
VIA KT266A Chip
Front Panel Connector
ATA 133 IDE
Connector
Clear CMOS (JBAT)
ATX Powe
r
Connector
USB Port (USB1)
CPU FAN
2MBit Flash ROM BIOS
CPU Socket
PC1600/PC2100
DDR DIMM X2
VIA VT8233A Chip
Wake On Modem
Wake On LAN
FAN1
PC133 DIMMX2
PS2 KB/Mouse Port
USB Port
AGP Slot
(SW1)
CPU Ratio Selector
6
ON : 100MHz /200MHz
JBAT CMOS RAM Clear 3-pin Block P.8
JP1 Keyboard Power On Enable/Disabled 3-pin Block P.8
Connectors
Connector Name Description Page
ATXPOWER ATX Power Connector 20-pin Block P.13
J2 PS/2 Mouse & PS/2 Keyboard
Connector
6-pin Female P.13
J3 USB Port Connector 4-pin Connector P.13
PARALLEL Parallel Port Connector 25-pin Female P.14
AUD_GAME Audio/Game Connector 3 phone jack + 15-pin Connector P.14
COM1/COM2 Serial Port COM1/2 Connector 9-pin Connector P.14
FDD Floppy Driver Connector 34-pin Block P.14
IDE1 Primary IDE Connector 40-pin Block P.15
IDE2 Secondary IDE Connector 40-pin Block P.15
Headers
Header Name Description Page
AUDIO Line-In/Out, MIC header 9-pin Block P.16
USB1 USB Port Headers 9-pin Block P.16
IDE LED IDE activity LED 2-pin Block P.16
TB LED Turbo LED switch 2-pin Block P.16
RESET Reset switch lead 2-pin Block P.16
SPEAKER Speaker connector 4-pin Block P.16
PWR LED Power LED 2-pin Block P.17
PW BN Power switch 2-pin Block P.17
WOL/WOM Wake On-LAN/Modem Headers 3-pin Block P.17
FAN1,FAN2,CPUFAN FAN Headers 3-pin Block P.17
IR IR infrared module Headers 5-pin Block P.18
CDIN1,CDIN2 CD Audio-In Headers 4-pin Block P.18
Expansion Sockets
Socket/Slot Name Description Page
ZIF Socket 462 CPU Socket 462-pin PPGA CPU Socket P.10
SDR1, SDR2 SDRAM Module 168-pin SDRAM Module
Expansion Socket
P.10
DDR1, DDR2 DDR SDRAM Module
Socket
184-pin DDR SDRAM Module
Expansion Socket
P.11
PCI1, PCI2, PCI3, PCI4,
PCI5
PCI Slot 32-bit PCI Local Bus Expansion slots P.11
AGP AGP 4X Mode Slot AGP Expansion Slot P.13
Chapter 2
Hardware installation
2-1 Hardware installation Steps
7
Before using your computer, you had better complete the following steps:
1. Check motherboard setting
2. Install CPU
3. Install Memory
4. Install Expansion cards
5. Connect Ribbon cables, Panel wires, and power supply
6. Setup BIOS
7. Install software driver & utility
2-2 Checking Motherboard’s Jumper Setting
(1) CPU Ratio Selector (10-pin) : SW1 (Only support AMD Athlon serial CPU)
Ratio 1 2 3 4 5 Ratio 1 2 3 4 5
5.0x ON ON ON OFF ON 9.0x ON ON ON OFF OFF
5.5x ON OFF ON OFF ON 9.5x ON OFF ON OFF OFF
6.0x ON ON OFF OFF ON 10.0x ON ON OFF OFF OFF
6.5x ON OFF OFF OFF ON 10.5x ON OFF OFF OFF OFF
7.0X ON ON ON ON OFF 11.0x ON ON ON ON ON
7.5x ON OFF ON ON OFF 11.5x ON OFF ON ON ON
8.0x ON ON OFF ON OFF 12.0x ON ON OFF ON ON
8.5x ON OFF OFF ON OFF 12.5x ON OFF OFF ON ON
CPU Ratio Selector
SW1
1 2 3 4 5
(2) CPU Front Side Bus Frequency Setting (2-pin) : JP4
8
CPU Front Side Bus Frequency Settin
g
JP4
1
2
ON : 100MHz
(Default)
OFF : 133MHz
JP4
1
2
Note: CPU Front Side Bus Frequency also can setting step by step in BIOS SETUP,
please refer page 35 Miscellaneous Control in Host Clock at Next.
(3) CMOS RAM Clear (3-pin) : JBAT
A battery must be used to retain the motherboard configuration in CMOS RAM short 1-2
pins of JBAT to store the CMOS data.
To clear the CMOS, follow the procedure below:
1. Turn off the system and unplug the AC power
2. Remove ATX power cable from ATX power connector
3. Locate JBAT and short pins 2-3 for a few seconds
4. Return JBAT to its normal setting by shorting pins 1-2
5. Connect ATX power cable back to ATX power connector
Note: When should clear CMOS
1. Troubleshooting
2. Forget password
3. After over clocking system boot fail
CMOS RAM Clear Setting
2-3 closed Clear CMOS
JBAT
13
JBAT
13
1-2 closed Normal
(4) Keyboard Power On function Enabled/Disabled: JP1
When setting Enabled you can using keyboard by key in password to power on system.
9
Keyboard Power On Setting
2-3 closed K/B Power ON Enabled
JP1
1 3
JP1
13
1-2 closed K/B Power ON Disable
(
Default
)
2-3 Install CPU
2-3-1 Glossary
Chipset (or core logic) - two or more integrated circuits which control the interfaces between
the system processor, RAM, I/O devises, and adapter cards.
Processor slot/socket - the slot or socket used to mount the system processor on the
motherboard.
Slot (AGP, PCI, ISA, RAM) - the slots used to mount adapter cards and system RAM.
AGP - Accelerated Graphics Port - a high speed interface for video cards; runs at 1X
(66MHz), 2X (133MHz), or 4X (266MHz).
PCI - Peripheral Component Interconnect - a high speed interface for video cards, sound
cards, network interface cards, and modems; runs at 33MHz.
ISA - Industry Standard Architecture - a relatively low speed interface primarily used for
sound cards and modems; runs at approx. 8MHz.
Serial Port - a low speed interface typically used for mouse and external modems.
Parallel Port - a low speed interface typically used for printers.
PS/2 - a low speed interface used for mouse and keyboards.
USB - Universal Serial Bus - a medium speed interface typically used for mouse, keyboards,
scanners, and some digital cameras.
Sound (interface) - the interface between the sound card or integrated sound connectors and
speakers, MIC, game controllers, and MIDI sound devices.
LAN (interface) - Local Area Network - the interface to your local area network.
BIOS (Basic Input/Output System) - the program logic used to boot up a computer and
establish the relationship between the various components.
Driver - software, which defines the characteristics of a device for use by another device or
other software.
Processor - the "central processing unit" (CPU); the principal integrated circuit used for doing
the "computing" in "personal computer"
Front Side Bus Frequency -
the working frequency of the motherboard, which is generated
by the clock generator for CPU, DRAM and PCI BUS.
CPU L2 Cache -
the flash memory inside the CPU, normally Athlon CPU has 256K or above,
while Duron will have 64K.
10
2-3-2 About AMD Athlon & Duron 462-pin CPU
This motherboard supports Socket-A (Socket-462) AMD Athlon/Duron processors.
This motherboard Provides a ZIF Socket-A. The CPU that comes with the motherboard
should have a cooling FAN attached to prevent overheating. If this is not the case, then
purchase a correct cooling FAN before you turn on your system.
WARNING!
Be sure that there is sufficient air circulation across the processor’s
heatsink and CPU cooling FAN is working correctly, otherwise it may
cause the processor and motherboard overheat and damage, you may install
an auxiliary cooling FAN, if necessary.
To install a CPU, first turn off your system and remove its cover. Locate the ZIF socket and
open it by first pulling the level sideways away from the socket then upward to a 90-degree
angle. Insert the CPU with the correct orientation as shown below. The notched corner
should point toward the end of the level. Because the CPU has a corner pin for two of the
four corners, the CPU will only fit in the orientation as shown.
CPU ZIF Socket-A
Colden Arrow
Socket-A
AMD
When you put the CPU into the ZIF socket. No force require to insert of the CPU, then press
the level to Locate position slightly without any extra force.
2-4 Install Memory
This motherboard provides two 184-pin DUAL INLINE MEMORY MODULES (DIMM)
And two 168-pin SDRAM Module Socket sites for memory expansion available from
minimum memory size of 64MB to maximum memory size of 2.0GB DDR SDRAM.
Users only can install either 168-pin SDRAM Module or 184-pin DDR DRAM Module at
one time.
Valid Memory Configurations
Bank 168-Pin SDRAM/184-Pin DDR Module PCS Total Memory
Bank 0, 1 (SDR1)
SDRAM 64, 128, 256, 512MB
1
64MB∼1GB
Bank 2, 3 (SDR2)
SDRAM 64, 128, 256, 512MB
1
64MB∼1GB
Bank 0, 1 (DDR1)
DDR SDRAM 64, 128, 256, 512MB
1
64MB∼1GB
Bank 2, 3 (DDR2)
DDR SDRAM 64, 128, 256, 512MB
1
64MB∼1GB
Total System Memory (Max. 2GB) 4
64MB∼2GB
11
Generally, installing SDRAM/ DDR SDRAM modules to your motherboard is very easy, you
can refer to figure 2-4 to see what a 184-Pin PC1600/PC2100 DDR SDRAM module looks
like.
DDR2 ( BANK2+ BANK3)
DDR1 ( BANK0+ BANK1)
SDR2 ( BANK2+ BANK3 )
SDR1 ( BANK0+ BANK1 )
DDR1 DDR2 SDR1 SDR2
NOTE!
When you install DIMM module fully into the DIMM socket the eject tab
should be locked into the DIMM module very firmly and fit into its
indention on both sides.
WARNING!
For the SDRAM CLOCK is set at 133MHz, use only PC2100-compliant
DDR Modules or PC133 compliant SDRAM Modules. When this
motherboard operate at 133Mhz, most system will not even boot if noncompliant modules are used because of the strict timing issues, if your
DRAM Modules are not PC133/PC2100-compliant, set the SDRAM clock
to 100MHz to ensure system stability.
2-5 Expansion Cards
WARNING!
Turn off your power when adding or removing expansion cards or other
system components. Failure to do so may cause severe damage to both
your motherboard and expansion cards.
2-5-1 Procedure For Expansion Card Installation
1. Read the documentation for your expansion card and make any necessary hardware or
software setting for your expansion card such as jumpers.
2. Remove your computer’s cover and the bracket plate on the slot you intend to use.
3. Align the card’s connectors and press firmly.
4. Secure the card on the slot with the screen you remove above.
5. Replace the computer system’s cover.
6. Set up the BIOS if necessary.
7. Install the necessary software driver for your expansion card.
Figure 2-4
12
2-5-2 Assigning IRQs For Expansion Card
Some expansion cards need an IRQ to operate. Generally, an IRQ must exclusively assign to
one use. In a standard design, there are 16 IRQs available but most of them are already in use.
Standard Interrupt Assignments
IRQ Priority Standard function
0 N/A System Timer
1 N/A Keyboard Controller
2 N/A Programmable Interrupt
3 * 8 Communications Port (COM2)
4 * 9 Communications Port (COM1)
5 * 6 Sound Card (sometimes LPT2)
6 * 11 Floppy Disk Controller
7 * 7 Printer Port (LPT1)
8 N/A System CMOS/Real Time Clock
9 * 10 ACPI Mode when enabled
10 * 3 IRQ Holder for PCI Steering
11 * 2 IRQ Holder for PCI Steering
12 * 4 PS/2 Compatible Mouse Port
13 N/A Numeric Data Processor
14 * 5 Primary IDE Channel
15 * 1 Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
2-5-3 Interrupt Request Table For This Motherboard
Interrupt request are shared as shown the table below:
INT A INT B INT C INT D
PCI slot 1 Shared
PCI slot 2
Shared
PCI slot 3
Not Shared
PCI slot 4
Shared
PCI slot 5 Shared
AGP slot Shared
AC97/MC97
Shared
Onboard USB
Shared
Onboard USB 1
Shared
IMPORTANT!
If using PCI cards on shared slots, make sure that the drivers support
“Shared IRQ” or that the cards don’t need IRQ assignments. Conflicts will
arise between the two PCI groups that will make the system unstable or
cards inoperable.
2-5-4 AGP Slot
13
This motherboard provides an AGP Slot, support the 1X/2X/4X AGP VGA card.
AGP SLOT
2-6 Connectors, Headers
2-6-1 Connectors
(1) Power Connector (20-pin block) : ATXPOWER
ATX Power Supply connector. This is a new defined 20-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that connect from the front panel switch to 2-pins Power On jumper pole on the
motherboard. When the power switch on the back of the ATX power supply turned on,
the full power will not come into the system board until the front panel switch is
momentarily pressed. Press this switch again will turn off the power to the system
board.
PIN ROW2 ROW1
1 3.3V 3.3V
2 -12V 3.3V
3 GND GND
4 Soft Power On 5V
5 GND GND
6 GND 5V
7 GND GND
8 -5V Power OK
9 +5V +5V (for Soft Logic)
10 +5V +12V
Pin 1
(2) PS/2 Mouse & PS/2 Keyboard Connector: J2
The connectors for PS/2 keyboard and PS/2 Mouse.
(3) USB Port connector: J3
The connectors are 4-pin connector that connect USB devices to the system board.
(4) Parallel Port Connector (25-pin female): PARALLEL
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