AOpen AX4SGWLAN User Manual
AAXX44SSGG WWLLAANN OOnnlliinnee MMaannuuaal
AX4SG WLAN
DOC. NO.: AX4SGWLAN-OL-E0306A
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WWhhaatt’’ss iinn tthhiiss mmaannuuaall
AX4SG WLAN..............................................................................................................................................1
What’s in this manual .................................................................................................................................................................... 2
You Must Notice ............................................................................................................................................................................ 9
Before You Start .......................................................................................................................................................................... 10
Overview ..................................................................................................................................................................................... 11
Feature Highlight ......................................................................................................................................................................... 12
Quick Installation Procedure ....................................................................................................................................................... 17
Motherboard Map ........................................................................................................................................................................ 18
Block Diagram ............................................................................................................................................................................. 19
Hardware Installation ............................................................................................................................ 20
About “User Upgrade Optional” and “Manufacture Upgrade Optional”… ................................................................................... 21
JP14 Clear CMOS Data .............................................................................................................................................................. 22
CPU Installation........................................................................................................................................................................... 23
CPU Over-current Protection ...................................................................................................................................................... 26
AOpen “Watch Dog ABS”............................................................................................................................................................ 28
Full-range Adjustable CPU Core Voltage.................................................................................................................................... 29
EzColor........................................................................................................................................................................................ 31
Connecting CPU, System, Power Supply Fan Connectors......................................................................................................... 33
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JP28 Keyboard/Mouse Wake-up Jumper.................................................................................................................................... 34
DIMM Sockets ............................................................................................................................................................................. 35
AC Power Auto Recovery............................................................................................................................................................ 38
IDE and Floppy Connector .......................................................................................................................................................... 39
Serial ATA Supported .................................................................................................................................................................. 41
Connecting Serial ATA Disk......................................................................................................................................................... 42
Front Panel Connector ................................................................................................................................................................ 45
AGP (Accelerated Graphic Port) 8X Expansion Slot................................................................................................................... 46
AGP Protection Technology and AGP LED ................................................................................................................................. 47
IrDA Connector............................................................................................................................................................................ 48
Hercules PCI Slot ........................................................................................................................................................................ 49
Support Gigabits LAN onboard ................................................................................................................................................... 50
MINI-PCI...................................................................................................................................................................................... 51
Support USB 2.0 Ports ................................................................................................................................................................ 57
COM2 Connector ........................................................................................................................................................................ 58
Game Port Bracket Supported .................................................................................................................................................... 59
Color Coded Back Panel ............................................................................................................................................................. 60
S/PDIF (Sony/Philips Digital Interface) Connector...................................................................................................................... 61
Super 5.1 Channel Audio Effect .................................................................................................................................................. 62
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Front Audio Connector ................................................................................................................................................................ 63
FM Radio Card (User Upgrade Optional).................................................................................................................................... 64
DieHard BIOS II........................................................................................................................................................................... 66
JP15/JP16 Dr. Voice Language Select Jumpers......................................................................................................................... 67
JP2 Dr.Voice Speaker/Buzzer Output Jumper ............................................................................................................................ 68
CD Audio Connector.................................................................................................................................................................... 69
AUX-IN Connector....................................................................................................................................................................... 70
Case Open Connector................................................................................................................................................................. 71
STBY LED and BOOT LED......................................................................................................................................................... 72
Resetable Fuse ........................................................................................................................................................................... 73
Enlarged Aluminum Heatsink ...................................................................................................................................................... 74
Low ESR Capacitor ..................................................................................................................................................................... 75
V4 Power Engine......................................................................................................................................................................... 76
The noise is gone!! ---- SilentTek................................................................................................................................................. 78
EzClock ....................................................................................................................................................................................... 81
Hyper Threading Technology ...................................................................................................................................................... 85
AOConfig Utility ........................................................................................................................................................................... 87
RAID Introduction ..................................................................................................................................89
What’s RAID?.............................................................................................................................................................................. 89
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What are the RAID levels? .......................................................................................................................................................... 90
HDD Capacity of RAID Levels..................................................................................................................................................... 93
Serial ATA RAID for Intel ICH5R.................................................................................................................................................. 94
Phoenix-AWARD BIOS ............................................................................................................................ 96
How To Use Phoenix-Award™ BIOS Setup Program ................................................................................................................. 97
How To Enter BIOS Setup........................................................................................................................................................... 98
WinBIOS Utility............................................................................................................................................................................ 99
BIOS Upgrade under Windows environment ............................................................................................................................ 101
Vivid BIOS technology............................................................................................................................................................... 103
Driver and Utility..................................................................................................................................104
Auto-run Menu from Bonus CD ................................................................................................................................................. 104
Installing Intel® Chipset Software Installation Utility................................................................................................................... 105
Installing Intel Extreme Graphic Driver...................................................................................................................................... 106
Installing Onboard Sound Driver ............................................................................................................................................... 107
Installing Intel Application Accelerator RAID Edition Driver in Windows XP ............................................................................. 108
Installing LAN Driver in Windows 2000/XP ............................................................................................................................... 109
Install LAN Driver in Windows 98SE/ME................................................................................................................................... 110
Install LAN Driver in Windows NT 4.0 ....................................................................................................................................... 114
Installing USB 2.0 Driver ........................................................................................................................................................... 117
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Glossary ...............................................................................................................................................121
AC97 CODEC ........................................................................................................................................................................... 121
ACPI (Advanced Configuration & Power Interface)................................................................................................................... 121
ACR (Advanced Communication Riser) .................................................................................................................................... 121
AGP (Accelerated Graphic Port) ............................................................................................................................................... 122
AMR (Audio/Modem Riser) ....................................................................................................................................................... 122
ATA (AT Attachment) ................................................................................................................................................................. 122
BIOS (Basic Input/Output System)............................................................................................................................................ 123
Bluetooth ................................................................................................................................................................................... 123
CNR (Communication and Networking Riser)........................................................................................................................... 124
DDR (Double Data Rate) RAM.................................................................................................................................................. 124
ECC (Error Checking and Correction)....................................................................................................................................... 124
EEPROM (Electronic Erasable Programmable ROM) .............................................................................................................. 124
EPROM (Erasable Programmable ROM).................................................................................................................................. 125
EV6 Bus .................................................................................................................................................................................... 125
FCC DoC (Declaration of Conformity)....................................................................................................................................... 125
FC-PGA (Flip Chip-Pin Grid Array)............................................................................................................................................ 125
FC-PGA2 (Flip Chip-Pin Grid Array).......................................................................................................................................... 125
Flash ROM ................................................................................................................................................................................ 126
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Hyper Threading........................................................................................................................................................................ 126
IEEE 1394 ................................................................................................................................................................................. 126
Parity Bit .................................................................................................................................................................................... 127
PCI (Peripheral Component Interface) Bus............................................................................................................................... 127
PDF Format............................................................................................................................................................................... 127
PnP (Plug and Play) .................................................................................................................................................................. 127
POST (Power-On Self Test) ...................................................................................................................................................... 128
PSB (Processor System Bus) Clock ......................................................................................................................................... 128
RDRAM (Rambus Dynamic Random Access Memory) ............................................................................................................ 128
RIMM (Rambus Inline Memory Module).................................................................................................................................... 128
SDRAM (Synchronous DRAM) ................................................................................................................................................. 128
SATA (Serial ATA)...................................................................................................................................................................... 129
SMBus (System Management Bus) .......................................................................................................................................... 129
SPD (Serial Presence Detect)................................................................................................................................................... 129
USB 2.0 (Universal Serial Bus) ................................................................................................................................................. 129
VCM (Virtual Channel Memory) ................................................................................................................................................ 130
Wireless LAN – 802.11b............................................................................................................................................................ 130
ZIP file ....................................................................................................................................................................................... 130
Troubleshooting ................................................................................................................................... 131
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Technical Support ................................................................................................................................135
Product Registration............................................................................................................................ 139
How to Contact Us............................................................................................................................... 140
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YYoouu MMuusstt NNoottiiccee
Adobe, the Adobe logo, Acrobat is trademarks of Adobe Systems Incorporated.
AMD, the AMD logo, Athlon and Duron are trademarks of Advanced Micro Devices, Inc.
Intel, the Intel logo, Intel Celeron, Pentium II, Pentium III and Pentium 4 are trademarks of Intel Corporation.
Microsoft, Windows, and Windows logo are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or
other countries.
All product and brand names used on this manual are used for identification purposes only and may be the registered trademarks of their
respective owners.
All of the specifications and information contained in this manual are subject to change without notice. AOpen reserves the right to revise
this publication and to make reasonable changes. AOpen assumes no responsibility for any errors or inaccuracies that may appear in this
manual, including the products and software described in it.
This documentation is protected by copyright law. All rights are reserved.
No part of this document may be used or reproduced in any form or by any means, or stored in a database or retrieval system
without prior written permission from AOpen Corporation.
Copyright
©
1996-2003, AOpen Inc. All Rights Reserved.
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BBeeffoorree YYoouu SSttaarrtt
This Online Manual will introduce to the user how this product is installed. All useful information will be described in later chapters. Please
keep this manual carefully for future upgrades or system configuration changes. This Online Manual is saved in PDF format
recommend using Adobe Acrobat Reader 5.0 for online viewing, it is included in Bonus CD or you can get free download from Adobe web
site.
Although this Online Manual is optimized for screen viewing, it is still capable for hardcopy printing, you can print it by A4 paper size and set
2 pages per A4 sheet on your printer. To do so, choose File > Page Setup and follow the instruction of your printer driver.
Thanks for the help of saving our earth.
, we
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OOvveerrvviieeww
Thank you for choosing AOpen AX4SG WLAN motherboard. AX4SG WLAN is Intel® Socket 478 motherboard (M/B) based on the ATX form
factor featuring the 865G chipsets
®
Pentium
additional intelligence to system. In the AGP
long burst transfer up to 2112MB/sec.The slot also support ADD card. According to different customer’s requirements, this motherboard
supports DDR266
mode, Serial ATA
provided on this board, in which the Hercules PCI supports high
power-consuming PCI cards. A total of 6 USB 2.0
one connector (2 ports) on the board give you the best use of all USB devices
with the fancy speed up to 480Mbps. More than that, on the strength of
integrated Broadcom Gigabit LAN controller on board, which is a highly
integrated Platform LAN Connect devices, it provides Gigabits Ethernet for
office and home use. In addition, this motherboard had been designed with
MINI-PCI slot
point with SoftAP utility invented by AOpen as well. Besides, AX4SG WLAN
has S/PDIF connector and an AC97 CODEC RealTek ALC650
onboard, providing high performance and magic surround stereo sound to let
people enjoy working with it. Now, let’s enjoy all features from AOpen AX4SG
WLAN motherboard.
4 1.6GHz~3.06GHz. It supports 400/533/800MHz Front Side Bus (FSB) clock and Hyper-Threading Technology which brings
. As high performance chipset built in the M/B, AX4SG WLAN motherboard supports Intel® Socket 478
performance, it has one AGP slot to support AGP 8X/4X mode and pipelined spilt-transaction
, DDR333 and DDR400 DDR RAM up to 4GB maximum. The onboard IDE controller supports Ultra DMA 33/66/100
150 MB/s and IDE Raid 0 mode. There are 6 PCI slots
ports on the back panel and
, which allows you to get online wireless and act as an access
chipset
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FFeeaattuurree HHiigghhlliigghhtt
CPU
Supports Intel® Socket 478 Pentium® 4 (Northwood) 1.6GHz~3.06GHz+ with 400/533/800MHz Front Side Bus (FSB) designed for Socket
478 technology.
Chipset
Intel 865G is a Graphics Memory Controller Hub (GMCH) designed for use with the Pentium 4 processor with 512-KB L2 cache on 0.13
micron processor. It provides CPU, DDR, AGP, Hub, CSA Interfaces and integrated graphics with display interfaces. The CPU interface
supports Pentium 4 processor subset of the Extended Mode of the Scalable Bus Protocol. The GMCH memory interface supports one up to
four channels of DDR, and the AGP interface supports 0.8/1.5V signaling with 8X/4X data transfers and 8X/4X AGP Fast Writes. The
integrated graphics controller provides 3D, 2D, and display capabilities while using a portion of system memory for graphics memory (UMA)
to provide a cost effective, high performance graphics solution. The 865G platform supports the fifth generation I/O Controller Hub (ICH5R).
The ICH5R integrates an Ultra ATA 100 controller, two Serial ATA host controllers, one EHCI host controller and four UHCI host controllers
supporting eight external USB 2.0 ports, LPC interface controller; flash BIOS interface controller, PCI interface controller, AC’97 digital
controller, integrated LAN controller, an ASF controller and a hub interface for communication with the 865G GMCH.
Memory
With 865G chipset, this motherboard can support dual channel Double-Data-Rate (DDR) RAM. The dual channel mode allows chipsets to
get data in 128 bit and zero wait state bursting between the RAM. The data transfer at 266/333/400MHz. The four slots of DDR RAM can
be composed of an arbitrary mixture of 64, 128, 256, 512 MB or 1GB DDR RAM and maximum up to 4GB.
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Expansion Slots
Including six 32-bit/33MHz PCI, in which PCI 6 is named as Hercules, which is reserved especially for high power-consuming PCI cards,
local bus throughput can be up to 132MB/s. Of six PCI slots provided, all of them are master PCI slots
and one AGP 8X/4X slots. The
with arbitration and decoding for all integrated functions and LPC bus. AX4SG WLAN motherboard includes one AGP expansion slot for a
bus mastering AGP graphic card. The
and speed. The AGP video cards support data transfer rate up to 2112MB/s. Or you may have ADD card cabled to this AGP slot to provide
high-speed digital connection for digital displays.
PCI
Accelerated Graphics Port (AGP)
specification provides a new level of video display sophistication
AGP Protection Technology
With AGP Protection Technology implemented, this motherboard will automatically detect the voltage of AGP card and prevent your
chipsets from being burnt out.
Hyper-Threading Technology
Hyper-Threading technology, an innovative design from Intel that enables multi-threaded software applications to process threads in
parallel within each processor resulting in increased utilization of processor execution resources.
Watch Dog ABS
Includes AOpen “Watch Dog ABS” function that can auto-reset system in 4.8 seconds when you fail the system overclocking.
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1MHz Stepping CPU Frequency Adjustment
Provides “1MHz Stepping CPU Frequency Adjustment” function in the BIOS. This magic function allows you to adjust CPU FSB frequency
from 100~250MHz by 1MHz stepping adjustment, and helps your system get maximum performance.
LAN Port
Broadcom Gigabit PCI LAN Chip, which is an highly-integrated Platform LAN Connect device, it provides Gigabits per second Ethernet for
office and home use.
MINI-PCI Slot
Designed with MINI-PCI slot onboard, this motherboard allows you to insert wireless network card for wireless internet access. In addition
to wireless network card slot, you may use it as the access point for network by simply using SoftAP utility included in our bonus CD.
Ultra DMA 33/66/100 Bus IDE
Comes with an on-board PCI Bus Master IDE controller with two connectors that support four IDE devices in two channels, supports Ultra
DMA 33/66/100, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 5, and supports Enhanced IDE devices.
Serial ATA
Integrated in ICH5R that contains independent DMA operation on two ports, the SATA controllers are completely software transparent with
the IDE interface, while providing a lower pin count and higher performance. The ICH5R SATA interface supports data transfer rates up to
150MB/s.In this motherboard the SATA interfaces support RAID 0 mode.
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On-board AC’97 Sound
AX4SG WLAN uses RealTek AC97 CODEC RealTek ALC650 sound chip. This on-board audio includes a complete audio recording and
playback system.
Eight USB 2.0 Ports
Provides six ports on the back panel and one USB 2.0 connector (2 ports) on the board, providing a total of eight USB 2.0 interface to
connect devices such as mouse, keyboard, modem, scanner, etc.
DieHard BIOS II
Die-Hard BIOS technology is a very effective hardware protection method that doesn’t involve any software or BIOS coding. Hence, it is
100% virus free. This motherboard comes with BIOS 1 and BIOS 2 (User Upgrade Optional) that allow you to rescue BIOS 1 with BIOS 2.
Inherited its first generation, DieHard BIOS II allows you to download more skins for utility like JukeBox CD Player, JukeBox FM or
VividBIOS to BIOS 2 by simply setting JP25 to pin2-3 mode.
Dr. Voice II
The Dr. Voice II can identify what kind of problems had occurred in the operating system. It provides four kinds language versions.
SilentTek II
Inherited the first generation of SilentTek with temperature monitoring, and many useful fan controlling functions, SilentTek II have been
refined with several innovative functions, such as Smart Ear, Fan Diagnostic, Silent Power and Silent VGA.
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S/PDIF Connector
S/PDIF (Sony/Philips Digital Interface) is the newest audio transfer file format, which provides impressive quality through optical fiber and
allows you to enjoy digital audio instead of analog audio.
Power Management/Plug and Play
Supports the power management function which confirms to the power-saving standards of the U.S. Environmental Protection Agency (EPA)
Energy Star program. It also offers
user-friendlier.
Plug-and-Play
, which helps save users from configuration problems, thus making the system much
Hardware Monitoring Management
Supports CPU or system fans status, temperature and voltage monitoring and alert, through the on-board hardware monitor module.
Enhanced ACPI
Fully implement the ACPI standard for Windows® 98/ME/2000/XP series compatibility, and supports Soft-Off, STR (Suspend to RAM, S3),
STD (Suspend to Disk, S4) and S5 features.
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QQuuiicckk IInnssttaallllaattiioonn PPrroocceedduurree
This page gives you a quick procedure on how to install your system. Follow each step accordingly.
1. Installing CPU and Fan
2. Installing System Memory (DIMM)
3. Connecting Front Panel Cable
4. Connecting IDE and Floppy Cable
5. Connecting ATX Power Cable
6. Connecting Back Panel Cable
7. Power-on and Load BIOS Setup Default
8. Setting CPU Frequency
9. Installing Driver and Utility
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IrDA Connector
Front Audio Connector
AC’97 CODEC
Smart Ear Connector
S/PDIF Connector
CD-IN Connector
AUX-IN Connector
Game Port Connector
32-bit PCI Expansion Slot x6
(Slot 6: Hercules PCI card that supports
high power-consuming PCI cards)
AGP LED
FDD Connector
USB 2.0 Connector
COM2 Connector
JP14 CMOS Clear Jumper
JukeBox FM Connector
SYSFAN3 Connector
BOOT LED
SATA Port x 2 (RAID 0)
MINI-PCI Slot
Front Panel Connector
STBY LED
Case Open Connector
ATA66/100 IDE Connector x2
LAN LED
Motherboard Map
18
Colored Back Panel
Resetable Fuse
JP28 Keyboard/Mouse
Wakeup Jumper
SYSFAN2 Connector
V4 Power Engine
Low ESR Capacitors
4-pin 12V. ATX Power Connector
AGP 8x Expansion Slot
(For 1.5V AGP card & ADD card
478-pin CPU socket (Northwood)
with Voltage and Frequency
Auto-detection that supports Intel
®
Pentium
4 1.6~3.06GHz+ CPU
CPUFAN1 connector
865G Chipset that supports
400/533/800MHz FSB
PWR FAN4 Connector
PWR TEMP Connector
184-pin DIMMx4 support
DDR400/333/266 DDR RAM
maximum up to 4GB
JP2 Speaker Output Connector
JP15/JP16 Dr. Voice II
Language Select Jumper
ATX Power Connector
JP24 & JP25 BIOS Rescue Jumper
Die-hard BIOS II
(Normal and Rescue ROM)
®
AAXX44SSGG WWLLAANN OOnnlliinnee MMaannuuaall
BBlloocckk DDiiaaggrraamm
Socket 478
Intel Pentium 4
CPU
AGP 8X Slot
(For 1.5V AGP card &
ADD card)
VGA onboard
LAN connect Component
400/533/800MH
z System Bus
DDR400/333/266 Dual Channel
RAM Up to 4GB
DIMM Socket x4
Gigabit
Intel
865G
USB Port x8
AGP bus
BCM5705
Floppy Disk Drive x2
PCI Bus
MINI-PCI
USB Port
USB Port
USB Port
USB Port
32-bit PCI Slot x6
2 Serial ATA Port s
150MB/s
ATA 66/100
Hercules PCI
MINI-PCI Slot x1
SATA 1
SATA 2
Primary
Channel
Secondary
Channel
ICH5R
RealTek
AC97
CODEC
4Mbit Flash EEPROM
Parallel Port
Serial Port x2
IDE Drive x4
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HHaarrddwwaarree IInnssttaallllaattiioonn
This chapter describes jumpers, connectors and hardware devices of this motherboard.
Note: Electrostatic discharge (ESD) can damage your processor, disk drives, expansion boards, and other
components. Always observe the following precautions before you install a system component.
1. Do not remove a component from its protective packaging until you are ready to install it.
2. Wear a wrist ground strap and attach it to a metal part of the system unit before handling a component. If
a wrist strap is not available, maintain contact with the system unit throughout any procedure requiring
ESD protection.
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AAbboouutt ““UUsseerr UUppggrraaddee OOppttiioonnaall”” aanndd ““MMaannuuffaaccttuurree UUppggrraaddee OOppttiioonnaall””……
When you read this online manual and start to assemble your computer system, you may notice that some of the functions are marked as
“User Upgrade Optional” or “Manufacture Upgrade Optional”. Although all of AOpen’s motherboards have included many amazing and
powerful features, sometimes not every user is familiar with these powerful features. As a result of this we define features that can be
upgraded by users as “User Upgrade Optional”. You can upgrade these functions by purchasing additional devices. As for functions that
cannot be upgraded by users, we define them as “Manufacture Upgrade Optional”. If need be, you can contact our local distributors or
resellers to purchase “Manufacture Upgrade Optional” components, and again you are also welcome to visit our official website at
english.aopen.com.tw
for detail information.
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(
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JJPP1144 CClleeaarr CCMMOOSS DDaattaa
You can clear CMOS to restore system default setting. To clear the CMOS, follow the procedure below.
1. Turn off the system and unplug the AC power.
2. Remove ATX power cable from connector PWR2.
3. Locate JP14 and short pins 2-3 for a few seconds.
4. Return JP14 to its normal setting by shorting pin1 & pin2.
5. Connect ATX power cable back to connector PWR2.
1
Normal
default
Pin 1
1
Clear CMOS
Tip: When should I Clear CMOS?
1. Boot fails because of overclocking…
2. Forget password…
3. Troubleshooting…
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CCPPUU IInnssttaallllaattiioonn
This motherboard supports Intel® Pentium 4 Socket 478 series CPU (Northwood). Be careful of CPU orientation when you plug it into CPU
socket.
1. Pull up the CPU socket lever and
up to 90-degree angle.
2. Locate Pin 1 in the socket and look for mark on the CPU upper interface.
Match Pin 1 and cut edge, then insert the CPU into the socket.
Note: Those pictures are for example only; they may not look the same with the motherboard you purchased.
CPU socket
Lever
CPU pin 1 and
cut edge
CPU cut edge
23
y
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3. Press down the CPU socket lever and finish CPU
Note: This picture is for example only; it may not look the same with the motherboard you purchased.
W
installation.
N
OOnnlliinnee MMaannuuaall
LLAAN
CPU cut edge
Note: If you do not match the CPU
socket Pin 1 and CPU cut edge well, you
ma
damage the CPU.
Note: This socket supports
Micro-FC-PGA2 package CPU, which is
the latest CPU package developed by
Intel. Other forms of CPU package are
impossible to be fitted in.
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CCPPUU JJuummppeerr--lleessss DDeessiiggnn
CPU VID signal and SMbus clock generator provide CPU voltage auto-detection and allows the user to set the CPU frequency through the
BIOS setup, therefore no jumpers or switches are used. The disadvantages of the Pentium based jumper-less designs are eliminated.
There will be no worry of wrong CPU voltage detection.
CPU VID signal
(Automatically generates CPU voltage)
Intel® Socket 478
Power Regulator
Pentium 4
CPU voltage
Clock Generator
CPU Freq. Ratio
BIOS
Controlled
Circuit
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CCPPUU OOvveerr--ccuurrrreenntt PPrrootteeccttiioonn
Over Current Protection has been popularly implemented on ATX 3.3V/5V/12V switching power supply for a while. However, new
generation CPU is able to use regulator of different voltages to transfer 12V to CPU voltage (for example, to 2.0V). This motherboard is with
switching regulator onboard that supports CPU over-current protection, and it applies to 3.3V/5V/12V power supply for providing full line
over-current protection.
ATX Switching Power Supply
Note: Although we have implemented protection circuit try to prevent any human operating mistake,
there is still certain risk that CPU, memory, HDD, add-on cards installed on this motherboard may be
damaged because of component failure, human operating error or unknown nature reason. AOpen
cannot guaranty the protection circuit will always work perfectly.
Onboard Power
Regulator
5V (Protected by power supply)
3.3V (Protected by power supply)
12V (Protected by power supply)
Over-Current
Protection Circuit
CPU Core Voltage
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BBaatttteerryy--lleessss aanndd LLoonngg LLiiffee DDeessiiggn
This Motherboard implements a Flash ROM
Setup configurations. The RTC (real time clock) can also keep running as long as the power cord is plugged. If you lose your CMOS data
by accident, you can just reload the CMOS configurations from Flash ROM and the system will recover as usual.
and a special circuit that provide you no batter power consumption of current CPU and CMOS
ATX Stand-by Power
n
Battery
Flash ROM
(Real Time Clock)
Switch
RTC
00:00:00
CMOS
Auto
Auto switch to ATX standby
power as long as AC power line
is plugged. This smart design
increases battery life if you still
plug battery on motherboard.
Backup by EEPROM
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AAOOppeenn ““WWaattcchh DDoogg AABBSS””
user’s settings stored in the BIOS. If system failed in BIOS POST, the “Watch Dog Timer” will reset the system to reboot in five seconds.
Then, BIOS will detect the CPU’s default frequency and POST again. With this special feature, you can easily overclock your system to get
a higher system performance without removing the system housing and save the hassle from setting the jumper to clear CMOS data when
system hangs.
AOpen
Watch Dog ABS
Enable/Disable Signal from
AOpen provides a special and useful feature on this motherboard for overclockers. When you
power-on the system, the BIOS will check last system POST
enable “Watch Dog ABS” function immediately, and set the CPU FSB frequency according to
BIOS
BIOS
Reset Signal
Clock Generator
Countdown about
5 seconds if fails
in POST
CPU
status. If it succeeded, the BIOS will
CPU ID Signal
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FFuullll--rraannggee AAddjjuussttaabbllee CCPPUU CCoorree VVoollttaaggee
This function is dedicated to overclockers and supports Adjustable CPU Core Voltage from 1.10V to 1.85V. However, this motherboard can
also automatically detect CPU VID signal and generates proper CPU core voltage.
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BIOS Setup > Frequency/Voltage Control > CPU Bus Frequency
This motherboard is CPU jumper-less design, you can set CPU frequency in BIOS; no jumpers or switches are needed. The default setting
is "table select mode". You can adjust the FSB from "CPU Host/RAM/PCI Clock" for overclocking.
Core Frequency = CPU FSB Clock * CPU Ratio
PCI Clock = CPU FSB Clock / Clock Ratio
AGP Clock = PCI Clock x 2
CPU Ratio 8x, 10x… 21x, 22x, 23x, 24x
CPU FSB
(Adjustment manually)
FSB = 100MHz-250MHz by 1MHz Stepping
CPU Overclocking
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Northwood
CPU
Pentium 4 1.8G 1800MHz 100MHz 400MHz 18x
Pentium 4 2.0G 2000MHz 100MHz 400MHz 20x
Pentium 4 2.2G 2200MHz 100MHz 400MHz 22x
Pentium 4 2.2G 2200MHz 133MHz 533MHz 16x
Pentium 4 2.26G 2260MHz 133MHz 533MHz 17x
Pentium 4 2.4G 2400MHz 100MHz 400MHz 24x
Pentium 4 2.4G 2400MHz 133MHz 533MHz 18x
Pentium 4 2.53G 2530MHz 133MHz 533MHz 19x
Pentium 4 2.6G 2600MHz 200MHz 800MHz 13x
Pentium 4 2.66G 2660MHz 133MHz 533MHz 20x
Pentium 4 2.8G 2800MHz 133MHz 533MHz 21x
Pentium 4 2.8G 2800MHz 200MHz 800MHz 14x
Pentium 4 3.0G 3000MHz 200MHz 800MHz 15x
Pentium 4 3.06G 3060MHz 133MHz 533MHz 23x
Note: With CPU speed changing rapidly, there might be fastest CPU on
the market by the time you received this installation guide. This table is
kindly for your references only.
CPU Core
Frequency
FSB
Clock
System
Bus
Ratio
Note: Intel 865G chipset don’t support
Willamette or Celeron (0.18u) processors.
Northwood processor would detect the
clock ratio automatically, you may not be
able to adjust the clock ratio in B IOS
manually.
Warning: Intel 865G chipset supports
maximum 800MHz (200MHz*4) system bus
and 66MHz AGP clock; higher clock setting
may cause serious system damage.
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