AOpen AX4SGGN User Manual
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AX4SG-GN
DOC. NO.: AX4SGGN-OL-E0306A
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WWhhaatt’’ss iinn tthhiiss mmaannuuaall
AX4SG-GN ..................................................................................................................................................1
What’s in this manual................................................................................................................................................................ 2
You Must Notice........................................................................................................................................................................8
Before You Start........................................................................................................................................................................ 9
Overview................................................................................................................................................................................. 10
Feature Highlight .....................................................................................................................................................................11
Quick Installation Procedure ................................................................................................................................................... 15
Motherboard Map ................................................................................................................................................................... 16
Block Diagram ........................................................................................................................................................................ 17
Hardware Installation ............................................................................................................................18
About “User Upgrade Optional” and “Manufacture Upgrade Optional”…................................................................................. 19
CPU Installation...................................................................................................................................................................... 20
Hyper Threading Technology .................................................................................................................................................. 22
CPU Fan Installation............................................................................................................................................................... 24
CPU Over-current Protection .................................................................................................................................................. 26
CPU and System Fan Connector (with H/W Monitoring) ......................................................................................................... 27
Full-range Adjustable CPU Core Voltage................................................................................................................................. 28
DIMM Sockets ........................................................................................................................................................................ 30
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AC Power Auto Recovery........................................................................................................................................................ 32
IDE and Floppy Connector...................................................................................................................................................... 33
Serial ATA Supported.............................................................................................................................................................. 35
Connecting Serial ATA Disk..................................................................................................................................................... 36
Front Panel Connector............................................................................................................................................................ 39
AGP (Accelerated Graphic Port) 8X Expansion Slot................................................................................................................ 40
Support USB 2.0 Ports............................................................................................................................................................ 41
Color Coded Back Panel......................................................................................................................................................... 42
Front Audio Connector............................................................................................................................................................ 43
Support 10/100Mbps LAN Onboard ........................................................................................................................................ 44
S/PDIF (Sony/Philips Digital Interface) Connector................................................................................................................... 45
IrDA Connector....................................................................................................................................................................... 46
COM2 Connector.................................................................................................................................................................... 47
Game Port Bracket Supported ................................................................................................................................................ 48
CD Audio Connector............................................................................................................................................................... 49
AUX-IN Connector.................................................................................................................................................................. 50
Case Open Connector ............................................................................................................................................................ 51
JP14 Clear CMOS Data.......................................................................................................................................................... 52
JP28 Keyboard/Mouse Wake-up Jumper ................................................................................................................................ 53
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AOpen “Watch Dog ABS”........................................................................................................................................................ 54
STBY LED and BOOT LED..................................................................................................................................................... 55
AGP Protection Technology and AGP LED.............................................................................................................................. 56
Battery-less and Long Life Design .......................................................................................................................................... 57
Resetable Fuse....................................................................................................................................................................... 58
Enlarged Aluminum Heatsink.................................................................................................................................................. 59
Low ESR Capacitor................................................................................................................................................................. 60
EzClock .................................................................................................................................................................................. 61
AOConfig Utility ...................................................................................................................................................................... 65
Phoenix-AWARD BIOS ............................................................................................................................67
How To Use Phoenix-Award™ BIOS Setup Program.............................................................................................................. 68
How To Enter BIOS Setup....................................................................................................................................................... 69
WinBIOS Utility ....................................................................................................................................................................... 70
BIOS Upgrade under Windows environment........................................................................................................................... 72
Vivid BIOS technology ............................................................................................................................................................ 74
Driver and Utility.................................................................................................................................... 75
Auto-run Menu from Bonus CD............................................................................................................................................... 75
Installing Intel® Chipset Software Installation Utility ................................................................................................................. 76
Installing Intel Extreme Graphic Driver.................................................................................................................................... 77
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Installing Onboard Sound Driver ............................................................................................................................................. 78
Installing LAN Driver in Windows 98/ME/2000/XP................................................................................................................... 79
Installing USB 2.0 Driver in Windows 98/SE............................................................................................................................ 82
Glossary .................................................................................................................................................87
AC97 CODEC......................................................................................................................................................................... 87
ACPI (Advanced Configuration & Power Interface) ................................................................................................................. 87
ACR (Advanced Communication Riser) .................................................................................................................................. 87
AGP (Accelerated Graphic Port) ............................................................................................................................................. 88
AMR (Audio/Modem Riser) ..................................................................................................................................................... 88
ATA (AT Attachment) ............................................................................................................................................................... 88
BIOS (Basic Input/Output System).......................................................................................................................................... 89
Bluetooth ................................................................................................................................................................................ 89
CNR (Communication and Networking Riser) ......................................................................................................................... 90
DDR (Double Data Rate) RAM................................................................................................................................................ 90
ECC (Error Checking and Correction)..................................................................................................................................... 90
EEPROM (Electronic Erasable Programmable ROM) ............................................................................................................. 90
EPROM (Erasable Programmable ROM)................................................................................................................................ 91
EV6 Bus.................................................................................................................................................................................. 91
FCC DoC (Declaration of Conformity)..................................................................................................................................... 91
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FC-PGA (Flip Chip-Pin Grid Array).......................................................................................................................................... 91
FC-PGA2 (Flip Chip-Pin Grid Array)........................................................................................................................................ 91
Flash ROM ............................................................................................................................................................................. 92
Hyper Threading..................................................................................................................................................................... 92
IEEE 1394 .............................................................................................................................................................................. 92
Parity Bit................................................................................................................................................................................. 93
PCI (Peripheral Component Interface) Bus ............................................................................................................................. 93
PDF Format............................................................................................................................................................................ 93
PnP (Plug and Play)................................................................................................................................................................ 93
POST (Power-On Self Test) .................................................................................................................................................... 94
PSB (Processor System Bus) Clock........................................................................................................................................ 94
RDRAM (Rambus Dynamic Random Access Memory) ........................................................................................................... 94
RIMM (Rambus Inline Memory Module).................................................................................................................................. 94
SDRAM (Synchronous DRAM) ............................................................................................................................................... 94
SATA (Serial ATA) ................................................................................................................................................................... 95
SMBus (System Management Bus) ........................................................................................................................................ 95
SPD (Serial Presence Detect)................................................................................................................................................. 95
USB 2.0 (Universal Serial Bus) ............................................................................................................................................... 95
VCM (Virtual Channel Memory) .............................................................................................................................................. 96
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Wireless LAN – 802.11b.......................................................................................................................................................... 96
ZIP file .................................................................................................................................................................................... 96
Troubleshooting .....................................................................................................................................97
Technical Support ................................................................................................................................ 101
Product Registration............................................................................................................................ 104
How to Contact Us............................................................................................................................... 105
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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-GN motherboard. AX4SG-GN is Intel® Socket 478 motherboard (M/B) based on the ATX form factor
featuring the Intel 865G chipsets
®
Pentium
additional intelligence to systems. 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
and Serial ATA
total of 6 USB 2.0
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 Realtek LAN controller on board, which is a highly
integrated Platform LAN Connect device, it provides
10/100Mbps Ethernet for office and home use. Besides,
AX4SG-GN has S/PDIF connector and an AC97 CODEC
Realtek chipset 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-GN motherboard.
4 1.6GHz~3.06GHz. It supports 400/533/800MHz Front Side Bus (FSB) clock and Hyper-Threading Technology that brings
. As high performance chipset built in the M/B, AX4SG-GN motherboard supports Intel® Socket 478
performance, it has one AGP slot to support AGP 8X/4X mode and pipelined spilt-transaction
, DDR333 and DDR400 SDRAM up to 2GB maximum. The onboard IDE controller supports Ultra DMA 33/66/100 mode
. There are 5 PCI slots provided on this board. A
ports on the back panel and one connector on
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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
two 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 Springdale platform supports the fifth generation I/O Controller Hub
(ICH5).
The ICH5 integrates an Ultra ATA 100 controller, two Serial ATA host controllers, one EHCI host controller and four UHCI host controllers
supporting eight external USB2.0 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 Springdale GMCH.
Hyper-Threading Technology
Support Hyper-Threading Technology that brings additional intelligence to systems so that multiple tasks received from the processor can
be managed and prioritized more effectively.
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Memory
With Intel 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 two 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 2GB.
Expansion Slots
Including five 32-bit/33MHz PCI and one AGP 8X/4X slots. The PCI local bus throughput can be up to 132MB/s. Of five PCI slots provided,
all of them are master PCI slots with arbitration and decoding for all integrated functions and LPC bus. AX4SG-GN motherboard includes
one AGP expansion slot for a bus mastering AGP graphic card. The Accelerated Graphics Port (AGP)
video display sophistication 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.
specification provides a new level of
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.
Watch Dog ABS
Includes AOpen “Watch Dog ABS” function that can auto-reset system in few 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 100~400MHz by 1MHz stepping adjustment, and helps your system get maximum performance.
LAN Port
On the strength of Realtek LAN, a fourth-generation dual-speed 10/100 base-T Ethernet LAN Controller solution for high-performance
network applications, this motherboard provides 10/100 Mbps Ethernet for office and home use.
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 ICH5 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 ICH5 SATA interface supports data transfer rates up to
150MB/s.
On-board AC’97 Sound
AX4SG-GN uses Realtek AC97 CODEC Realtek ALC202A sound chip. This on-board audio includes a complete audio recording and
playback system.
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Eight USB 2.0 Ports
Provides six ports on the back panel and one USB 2.0 connector on the board, providing a total of eight USB 2.0 interface to connect
devices such as mouse, keyboard, modem, scanner, etc.
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 that confirms to the power-saving standards of the U.S. Environmental Protection Agency (EPA)
Energy Star program. It also offers Plug-and-Play
user-friendlier.
, 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. Reboot
10. Installing Operating System (such as Windows XP)
11. Installing Driver and Utility
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AC’97 CODEC
AUX-IN Connecto
COM2 Connecto
S/PDIF Connecto
Game Port Connecto
Resetable Fuse
IrDA Connecto
Front Audio Connecto
CD-IN Connecto
32-bit PCI Expansion Slot x5
JP14 CMOS Clear Jumpe
ATA66/100 IDE Connector x2
FDD Connecto
SATA Port x 2
USB 2.0 Connecto
SYSFAN3 Connecto
Front Panel Connecto
Case Open Connecto
Motherboard Map
Colored Back Panel
JP28 Keyboard/Mouse
Wakeup Jumper
SYSFAN2 Connector
4-pin 12V. ATX Power Connector
Low ESR Capacitors
TX Power Connector
GP 8x Expansion Slot
supports ADD card
478-pin CPU socket (Northwood)
with Voltage and Frequency
uto-detection that supports Intel®
®
4 1.6~3.06GHz+ CPU
Pentium
Intel 865G Chipsets that
support 533/800MHz FSB
CPUFAN1 connector
184-pin DIMMx2 support
DDR400/333/266 SDRAM
maximum up to 2GB
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BBlloocckk DDiiaaggrraamm
Socket 478
Intel Pentium 4
CPU
AGP 8X Slot
VGA onboard
LAN connect Component
533/800MHz
System Bus
Dual Channel DDR400/333/266
SDRAM Up to 2GB
DIMM Socket x2
Realtek
LAN
Intel
865G
USB Port x8
AGP bus
Floppy Disk Drive x2
PCI Bus
USB Port
USB Port
USB Port
USB Port
32-bit PCI Slot x5
2 Serial ATA Ports
150MB/s
ATA 66/100
SATA 1
SATA 2
Primary
Channel
Secondary
Channel
ICH5
Realtek
AC97
CODEC
4Mbit Flash EEPROM
Parallel Port
Serial Port x2
IDE D rive x4
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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, 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 needed, 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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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
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3. Press down the CPU socket lever and finish CPU
installation.
Note: This picture is for example only; it may not look the same with the motherboard you purchased.
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 FC-PGA2
ackage CPU, which is the latest CPU
ackage developed by Intel. Other
forms of CPU package are impossible to
be fitted in.
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What is Hyper-Threading?
Hyper-Threading technology is 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. As a result, an average improvement of ~40% in CPU resource utilization yields higher
processing throughput.
How Hyper-Threading Works
A form of simultaneous multi-threading technology (SMT), Hyper-Threading technology allows multiple threads of software applications to
be run simultaneously on one processor by
duplicating the architectural state on each
processor while the same processor execution
resources is shared. The figure below represents
how a Hyper-Threading based processor
differentiates a traditional multiprocessor. The
left-hand configuration shows a traditional
multiprocessor system with two physical
processors. Each processor has its own
independent execution resources and architectural
state. The right-hand configuration represents an
Intel Hyper-Threading technology based processor.
You can see that the architectural state for each
processor is duplicated, while the execution
resources is shared.
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For multiprocessor-capable software applications, the Hyper-Threading based processor is considered two separate logical processors on
which the software applications can
run without modification. Also, each
logical processor responds to
interrupts independently. The first
logical processor can track one
software thread, while the second
logical processor tracks another
software thread simultaneously.
Because the two threads share the
same execution resources, the second
thread can use resources that would
be otherwise idle if only one thread
was executing. This results in an
increased utilization of the execution
resources within each physical
processor.
The figure below represents how
Hyper-Threading saves time when it
works. With two logical processors available on every single physical processor, multi-threaded applications can now take advantage of
thread-level parallelism on each physical processor for additional performance. As software applications continue to be optimized to take
greater advantage of processor parallelism, Hyper-Threading technology provides an additional boost for newer capabilities and the
growing needs of today’s users.
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This motherboard comes with a retention module attached on the CPU socket when shipped, we strongly recommend you to install AOpen
special designed CPU Fan as shown below on the retention module for better heat dissipation. Please install the CPU Fan correctly as the
following pictures shown.
1. Gently put the CPU Fan down on the
retention module with clips aligning correctl
to the four corners.
Note: The picture above may look different from the product you purchased.
2. Pressing down the four clips with force one by one
on the retention module.
Clip
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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 Regulato
Pentium 4
CPU voltage
Clock Generato
CPU Freq. Ratio
BIOS
Controlled
Circuit
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The Over Current Protection is a popular implementation on ATX 3.3V/5V/12V switching power supply. However, the new generation CPU
uses different voltage with a regulator to transfer 12V to CPU voltage (for example, 2.0V), and thus makes 5V over current protection
useless. This motherboard is with switching regulator onboard supporting CPU over-current protection; in conjunction with 3.3V/5V/12V
power supply provide the 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.
cannot guarantee the protection circuit will always work perfectly.
5V (Protected by power supply)
3.3V (Protected by power supply)
12V (Protected by power supply)
Onboard Power Regulator
(Over-Current Protection)
CPU Core Voltage
Open
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CCPPUU aanndd SSyysstteemm FFaann CCoonnnneeccttoorr ((wwiitthh HH//WW MMoonniittoorriinngg))
Plug in the CPU fan cable to the 3-pin CPUFAN1 connector. If you have chassis fan, you can also plug it on SYSFAN2 or SYSFAN3
connector.
SYSFAN3 Connector
GND
+12
SENSO
SYSFAN2 Connector
CPUFAN1 Connector
GND
+12V
SENSOR
GND
+12V
SENSOR
Note: Some CPU fans do not have
sensor pin, so that they cannot support
hardware monitoring function.
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FFuullll--rraannggee AAddjjuussttaabbllee CCPPUU CCoorree VVoollttaaggee
This motherboard supports CPU VID function. The CPU core voltage will be automatically detected and the range is from 0.8375V to 1.6V.
It is not necessary to set CPU Core Voltage.
SSeettttiinngg CCPPUU FFrreeqquueennccyy
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
CPU FSB (By BIOS table)
8x, 10x… 24x, 25x, 26x
100-400MHz
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Northwood CPU
Pentium 4 1.6G 1600MHz 100MHz 400MHz 16x
Pentium 4 1.6G 1600MHz 133MHz 533MHz 12x
Pentium 4 1.7G 1700MHz 133MHz 533MHz 13x
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
CPU Core
Frequency
FSB
Clock
System
Bus
Ratio
Note: Intel 865G chipset doesn’t support
Willamette or Celeron processors.
Northwood processor can detect the clock
ratio automatically; you may not be able to
adjust the clock ratio in BIOS manually.
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
Warning: Intel 865G chipset supports
maximum 800MHz (200MHz*4) system bus
and 66MHz AGP clock; higher clock setting
may cause serious system damage.
Pentium 4 3.06G 3060MHz 133MHz 533MHz 23x
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DDIIMMMM SSoocckkeettss
This motherboard has two 184-pin DDR DIMM sockets that allow you to install 128-bit dual channel DDR400, DDR333 or DDR266 memory
up to 2GB. Only non-ECC DDR RAM is supported. Please install suitable modules; otherwise serious damage may occur on memory
sockets or you RAM modules. Please note that when you install DDR333 memory module and have your CPU FSB set at 800MHz,
the memory can only run with the speed of DDR320. It is limitation of Intel. For other limitation of CPU types, please see the table
below.
Warning: This motherboard supports DDR RAM. Please do
not install the SDRAM on the DDR RAM sockets; otherwise it
will cause serious damage on memory sockets or SDRAM
module.
Item
CPU FSB 400MHz
CPU FSB 533MHz
CPU FSB 800MHz
DDR266 DDR333 DDR400
V X X
V V X
V
Note: To run dual channel speed, you have to use
the same type memory modules installed on two
DIMMs. If you install two different sized modules,
the system can only run single channel mode and
with the speed of that lower memory module.
⊙
V
DIMM1
DIMM2
30
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