AOpen AK77400N User Manual
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a
Overview
AK77-400/AK77-400N/AK77-400 Max
DOC. NO.: AK77400MAX-OL-E0303A
1
Installation
Hardware
Drivers &
Utilities
BIOS Setup
AWARD
Glossary
Troubleshooting &
Technical Support
AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
WWhhaatt’’ss iinn tthhiiss mmaannuuaall
AK77-400/AK77-400N/AK77-400 Max.................................................................................................... 1
What’s in this manual ...................................................................................................................................................... 2
You Must Notice .............................................................................................................................................................. 8
Before You Start.............................................................................................................................................................. 9
Overview ....................................................................................................................................................................... 10
Feature Highlight........................................................................................................................................................... 11
Quick Installation Procedure .........................................................................................................................................16
Motherboard Map .......................................................................................................................................................... 17
Block Diagram............................................................................................................................................................... 18
Hardware Installation ................................................................................................................. 19
About “Manufacturer Upgrade Optional” and “User Upgrade Optional”…...................................................................... 20
CPU Installation ............................................................................................................................................................21
AOpen Overheat Protection (O.H.P.) Technology .......................................................................................................... 23
CPU Over-current Protection ........................................................................................................................................ 24
Enlarged Aluminum Heatsink ........................................................................................................................................ 25
CPU and Housing Fan Connector (with H/W Monitoring) .............................................................................................. 29
DIMM Sockets ............................................................................................................................................................... 30
ATX Power Connector................................................................................................................................................... 32
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AC Power Auto Recovery .............................................................................................................................................. 32
IDE and Floppy Connector ............................................................................................................................................33
ATA/133 Supported ....................................................................................................................................................... 35
Serial ATA Supported (for AK77-400 Max)..................................................................................................................... 36
Connecting Serial ATA Disk (for AK77-400 Max) ........................................................................................................... 37
Front Panel Connector .................................................................................................................................................. 38
IrDA Connector ............................................................................................................................................................. 39
AGP (Accelerated Graphic Port) 8X Expansion Slot...................................................................................................... 40
WOM (Zero Voltage Wake on Modem) Connector......................................................................................................... 41
WOL (Wake on LAN) Connector....................................................................................................................................44
10/100 Mbps LAN onboard (for AK77-400N and AK77-400 Max) .................................................................................. 46
CNR (Communication and Network Riser) Expansion Slot............................................................................................ 47
Support Six USB 2.0 Port.............................................................................................................................................. 48
Color Coded Back Panel ............................................................................................................................................... 49
Super 5.1 Channel Audio Effect .................................................................................................................................... 50
Front Audio Connector .................................................................................................................................................. 51
S/PDIF (Sony/Philips Digital Interface) Connector......................................................................................................... 52
Dr. LED Connector (User Upgrade Optional) ................................................................................................................ 53
Onboard IEEE 1394 Controller (for AK77-400 Max) ...................................................................................................... 55
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Case Open Connector................................................................................................................................................... 56
CD Audio Connector ..................................................................................................................................................... 57
AUX-IN Connector ........................................................................................................................................................ 58
Game Port Bracket Supported ...................................................................................................................................... 59
JP2 Speaker / Buzzer Select Jumper ............................................................................................................................ 60
JP14 Clear CMOS Data Jumper.................................................................................................................................... 61
Dr. Voice II & JP15, 16 (for AK77-400 Max) .................................................................................................................. 62
JP20 K7 Host Clock Selection....................................................................................................................................... 63
JP28 KB/Mouse Wake-up Jumper................................................................................................................................. 64
Die-Hard BIOS and JP30 Select Jumper (for AK77-400 Max) ....................................................................................... 65
STBY LED..................................................................................................................................................................... 68
AGP Protection Technology and AGP LED.................................................................................................................... 69
Battery-less and Long Life Design ................................................................................................................................ 70
Resetable Fuse ............................................................................................................................................................. 71
2200μF Low ESR Capacitor......................................................................................................................................... 72
The noise is gone!! ---- SilentTek .................................................................................................................................. 75
PHOENIX-AWARD BIOS................................................................................................................ 78
How To Use Phoenix Award™ BIOS Setup Program ..................................................................................................... 79
How To Enter BIOS Setup ............................................................................................................................................. 81
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BIOS Upgrade under Windows environment ................................................................................................................. 82
Open JukeBox Player (for AK77-400 & AK77-400N) ..................................................................................................... 84
Vivid BIOS technology................................................................................................................................................... 88
Driver and Utility ......................................................................................................................... 89
Auto-run Menu from Bonus CD ..................................................................................................................................... 89
Installing VIA 4 in 1 Driver............................................................................................................................................. 90
Installing Audio Driver ...................................................................................................................................................91
Installing USB2.0 Driver ................................................................................................................................................ 92
Installing LAN Driver (for AK77-400N and AK77-400 Max) ............................................................................................ 93
Installing Serial ATA Driver (for AK77-400 Max) ............................................................................................................ 94
AOConfig Utility........................................................................................................................................................... 104
Glossar y ..................................................................................................................................... 106
AC97 CODEC .............................................................................................................................................................106
ACPI (Advanced Configuration & Power Interface) ..................................................................................................... 106
ACR (Advanced Communication Riser)....................................................................................................................... 106
AGP (Accelerated Graphic Port) ................................................................................................................................. 107
AMR (Audio/Modem Riser).......................................................................................................................................... 107
ATA (AT Attachment) ................................................................................................................................................... 107
BIOS (Basic Input/Output System) .............................................................................................................................. 108
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Bluetooth..................................................................................................................................................................... 108
CNR (Communication and Networking Riser).............................................................................................................. 109
DDR (Double Data Rate) RAM .................................................................................................................................... 109
ECC (Error Checking and Correction) ......................................................................................................................... 110
EEPROM (Electronic Erasable Programmable ROM).................................................................................................. 110
EPROM (Erasable Programmable ROM) .................................................................................................................... 110
EV6 Bus ...................................................................................................................................................................... 110
FCC DoC (Declaration of Conformity) ..........................................................................................................................111
FC-PGA (Flip Chip-Pin Grid Array)...............................................................................................................................111
FC-PGA2 (Flip Chip-Pin Grid Array).............................................................................................................................111
Flash ROM ...................................................................................................................................................................111
Hyper Threading ..........................................................................................................................................................111
IEEE 1394................................................................................................................................................................... 112
Parity Bit ..................................................................................................................................................................... 112
PCI (Peripheral Component Interface) Bus ................................................................................................................. 113
PDF Format................................................................................................................................................................. 113
PnP (Plug and Play) .................................................................................................................................................... 113
POST (Power-On Self Test) ........................................................................................................................................ 113
PSB (Processor System Bus) Clock ............................................................................................................................ 114
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RDRAM (Rambus Dynamic Random Access Memory)................................................................................................ 114
RIMM (Rambus Inline Memory Module) ...................................................................................................................... 114
SDRAM (Synchronous DRAM) .................................................................................................................................... 114
SATA (Serial ATA) ....................................................................................................................................................... 115
SMBus (System Management Bus) ............................................................................................................................. 115
SPD (Serial Presence Detect) ..................................................................................................................................... 115
USB 2.0 (Universal Serial Bus) ................................................................................................................................... 115
VCM (Virtual Channel Memory)................................................................................................................................... 116
Wireless LAN – 802.11b.............................................................................................................................................. 116
ZIP file......................................................................................................................................................................... 116
Troubleshooting......................................................................................................................... 117
Technical Support ..................................................................................................................... 121
Product Registration ................................................................................................................. 124
How to Contact Us .................................................................................................................... 125
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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, 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
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 recommend using Adobe Acrobat Reader 4.0 for online viewing, it is included in Bonus CD disc or you can
.
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OOvveerrvviieeww
Thank you for choosing AOpen AK77-400 / AK77-400N / AK77-400 Max. The AK77-400 / AK77-400N / AK77-400 Max is AMD®
Socket 462 motherboard (M/B) based on the ATX form factor featuring the VIA Apollo KT400A chipset
chipset built in the M/B, the AK77-400 / AK77-400N / AK77-400 Max comes with AMD
and AthlonXP™ processor (with CPU Overheat Protection circuit to Athlon™XP CPU only) and 200/266/333MHz EV6
bus. In the AGP performance, it has one AGP slot and supports AGP 8X/4X/2X mode and pipelined spilt-transaction long burst
transfer up to 2.1GB/sec. With high bandwidth 266/533MB/s 8-bit V-Link Host Controller, DDR400(PC3200)
and DDR266(PC2100)
the AK77-400 / AK77-400N / AK77-400 Max and
DDR400 maximum memory size can be up to 2GB
and DDR333/266 up to 3GB. The on-board IDE
controller supports Ultra DMA 66/100/133 mode and
the transfer rate up to 133MB/s. With a Promise Serial
ATA (PDC20375) controller onboard, it aims to provide
you an even faster transfer rate of 150 Mbytes/second.
Beside, the AK77-400 / AK77-400N / AK77-400 Max
has an AC97 CODEC
onboard for provides high performance and magic
surround stereo sound to let people enjoy working
with it. More than that, this motherboard supports USB
2.0 function with a fancy speed of up to 480Mbps, and
IEEE 1394
to 400Mbps. Now, enjoy all features from AOpen
AK77-400 / AK77-400N / AK77-400 Max.
DDR RAM can be applied to
RealTek ALC650 chipset
controller to provides data transfer rate up
®
Socket 462 series Athlon™ & Duron™
. As high performance
system
, DDR333(PC2700)
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FFeeaattuurree HHiigghhlliigghhtt
CPU
Supports AMD® Socket 462 series CPU with both 200/266/333 MHz EV6 Bus designed for Socket 462 technology.
Athlon: 600MHz~1.4GHz
Duron: 600MHz~1.2GHz
AthlonXP: 1500+(1.33GHz)~3000+(2.167GHz)
Chipset
The VIA Apollo KT400A consists of the KT400A V-Link DDR Host system controller and the VT8235 highly integrated V-Link
Client PCI/LPC controller. The Host system controller provides superior performance between the CPU, SDRAM, AGP bus, and
V-Link interface with pipelined, burst, and concurrent operation. The VT8235 V-Link Client controller is a highly integrated
PCI/LPC controller. Its internal bus structure is based on 66MHz PCI bus that provides 4x bandwidth compare to previous
generation PCI/ISA bridge chips. The VT8235 integrated Client V-Link controller with 266/533MB/s bandwidth between
Host/Client V-Link interface, providing a V-Link-PCI and V-Link-LPC controller.
Ultra DMA 66/100/133 Bus Master IDE
Comes with an on-board PCI Bus Master IDE controller with three connectors that supports six IDE devices in three channels,
supports Ultra DMA 66/100/133, PIO Modes 3 and 4 and Bus Master IDE DMA Mode 4, and supports Enhanced IDE devices.
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Serial ATA (for AK77-400 Max)
This motherboard comes with a Promise Serial ATA (PDC20375) controller, aiming to provide you an even faster transfer rate of
150 Mbytes/second.
LAN Port
On the strength of RealTek RTL8100BL controller on board, which is an highly-integrated Platform LAN Connect device, it
provides 10/100 Mbps Ethernet for office and home use.
Expansion Slots
Including six 32-bit/33MHz PCI, one CNR and one AGP 8X slots. The PCI local bus throughput can be up to 132MB/s. The
Communication & Nectworking Riser (CNR)
interface for a Modem/Audio card. The Accelerated Graphics Port (AGP)
sophistication and speed. The AGP video cards support data transfer rate up to 2.1GB/s. As AK77-400 / AK77-400N / AK77-400
Max includes one AGP expansion slot for a bus mastering AGP graphic card, For AD and SBA signaling, AK77-400 / AK77-400N
/ AK77-400 Max can support 133MHz 2X/4X/8X mode. Of six PCI slots provided, AK77-400 / AK77-400N / AK77-400 Max
supports five master PCI slots for arbitration and decoding functions and one slave PCI slot.
slot provided from AK77-400 / AK77-400N / AK77-400 Max can support CNR
specification provides a new level of video display
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Memory
With VIA Apollo KT400A chipset, the AK77-400 / AK77-400N / AK77-400 Max can support Double-Data-Rate (DDR) RAM. The
DDR RAM interface allows zero wait state bursting between the RAM and the data buffers at 333/266/200 MHz. The six banks
of DDR RAM can be composed of an arbitrary mixture of 64, 128, 256, 512MB x N DDR RAM and support DDR400 maximum
up to 2GB and DDR333/266 up to 3GB. The AK77-400 / AK77-400N / AK77-400 Max allows DDR RAM to run at either
synchronous or pseudo-synchronous mode with the host CPU bus frequency (333/266/200MHz).
On-board AC97 Sound
AK77-400 / AK77-400N / AK77-400 Max uses the AC97 CODEC RealTek ALC650 chip, which supports high quality of 5.1
Channel audio effects. This on-board audio includes a complete audio recording and playback system.
Six USB 2.0 Connectors
Provides three ports, six USB connectors for USB interface devices, such as mouse, keyboard, modem, scanner, etc. Please
note that USB 2.0, with fancy speed up to 480Mbps, is 40 times faster than the traditional ones. Except for the speed increase,
USB 2.0 supports old USB 1.0/1.1 software and peripherals, offering impressive and even better compatibility to customers.
IEEE 1394 (for AK77-400 Max)
This motherboard comes with IEEE 1394a controller TI TSB43AB22 onboard, which provides data transfer rate up to 400Mbps.
to connect with the devices that need high data transferring performance, such as digital camera, scanner or others IEEE 1394
devices.
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1MHz Stepping CPU Frequency Adjustment
Provides “1MHz Stepping CPU Frequency Adjustment” function in the BIOS. This magic function allows you adjust CPU FSB
frequency from 100~191MHz by 1MHz stepping, and lets your system can get maximum performance.
Watch Dog ABS
Includes AOpen “Watch Dog ABS” function that can auto-reset system in 4.8 seconds when you fail the system overclocking.
Die-Hard BIOS (User Upgrade Optional)
The 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.
Dr. LED (User Upgrade Optional)
Dr. LED has 8 LEDs on AK77-400 / AK77-400N / AK77-400 Max, which can easily show what kind of problem you may
encounter.
Power Management/Plug and Play
AK77-400 / AK77-400N / AK77-400 Max 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
from configuration problems, thus making the system much more user-friendly.
, which helps saving users
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Hardware Monitoring Management
Supports CPU or system fans status, temperature and voltage monitoring and alert, through the on-board hardware monitor
module and AOpen Hardware Monitoring Utility
.
Enhanced ACPI
Fully implement the ACPI standard for Windows® 95/98/ME/NT/2000/XP series compatibility, and supports Soft-Off, STR
(Suspend to RAM, S3), STD (Suspend to Disk, S4), WOM (Wake On Modem), WOL (Wake On LAN) features.
Super Multi-I/O
AK77-400 / AK77-400N / AK77-400 Max provides two high-speed UART compatible serial ports and one parallel port with EPP
and ECP capabilities. UART2 can also be directed from COM2 to the Infrared Module for the wireless connections.
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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
16
A
A
A
A
A
r
r
r
SYS
FAN 3 C
per
r
p
r
JP20 K7 Host Clock
)
(
)
Front Audio Connector
JP30 Die Hard BIOS Jumper
Die Hard BIOS (BIOS 2)
32-bit PCI Expansion Slot x6
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AC97 CODEC
AUX-IN Connecto
CD-IN Connecto
S/PDIF Connector
(for AK77-400 Max)
Case Open Connecto
Die Hard BIOS (BIOS1
Game Port Connector
CNR Expansion Slot
card only)
IrDA Connecto
WOM Connector
USB 2.0 Connector
IEEE 1394 Connector x 2
JP14 Clear CMOS Jum
for AK77-400 Max
Dr. LED Connector
(User Upgrade Optional)
WOL Connector
Serial ATA Connectors
(for AK77-400 Max)
eaker Jumpe
JP2 S
Front Panel Connector
JP15 & 16 Dr. Voice II
Language Jumper
(for AK77-400 Max)
onnector
Motherboard Map
17
Colored Back Panel
JP28 Keyboard/Mouse
Wakeup Jumper
RealTek RTL8100BL
TX Power Connector
2200μF Low ESR Capacitors
SYSFAN2 Connector
GP 8x Slot
462-pin CPU Socket with
Voltage and Frequency
uto-Detection that supports
MDTM AthlonTM / DuronTM /
and Athlon
Overheat Protection circuit to
thlonTMXP CPU only)
CPUFAN1 Connector
VIA® Apollo KT400A
Chipset and VT8235 SB
184-pin DIMMx3 supports
DDR400 max. up to 2GB and
DDR333/DDR266 max up to
3GB
IDE Connector x 3
(ATA/66/100/133 supported)
FDD Connector
TM
XP (with CPU
Jumper
AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
BBlloocckk DDiiaaggrraamm
Socket 462
AMD
Athlon/Duron/Athlon XP
CPU
AGP 8X Sl ot
DDR400 RAM Up to 2GB and
DDR333/266 Up to 3GB
DDR SDRAM Socket x3
100/133/166
MHz System
Bus
AGP Bus
LAN connect Compon ent
VIA KT400A
Floppy Disk Drive x2
PCI Bus
RealTek
RTL8100
1stUSB Port
2ndUSB Port
3rdUSB Port
USB connector x6
32-bit PCI Slot x6
Promise
PDC20375
ATA
66/100/133
ATA
66/100/133
BL
18
Serial AT A
Third Channel
Primary
Channel
Secondary
Channel
VT8235
Serial ATA Devices x2
IDE Dr ive x6
AC’97 Link
Audio CODEC
CNR Slot
2MBit Flash EEPROM
Parallel Port
Serial Port x2
IEEE 1394 x2
IEEE 1394 connectors x2
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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 procedures requiring ESD protection.
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AAbboouutt ““MMaannuuffaaccttuurreerr UUppggrraaddee OOppttiioonnaall”” aanndd ““UUsseerr UUppggrraaddee
OOppttiioonnaall””……
When you read this online manual and start to assemble your computer system, you may find some of functions are called
“Manufacturer Upgrade Optional”, and some are called “User Upgrade Optional”. Though all AOpen motherboards include many
amazing and powerful features, in some situations, these powerful features are not used to every user. Hence, we changed
some key features as “Manufacturer Upgrade Optional” for you to choose. Some optional functions that can be upgraded by
users, we call them “User Upgrade Optional”. As for those optional functions that can’t be upgraded by ourselves, we call them
“Manufacturer Upgrade Optional”. If needed, you can contact our local distributors or resellers for purchasing “User Upgrade
Optional” components, and again you can visit AOpen official web site: http://english.aopen.com.tw/
for more detail information.
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CCPPUU IInnssttaallllaattiioonn
This motherboard supports AMD® Athlon and Duron Socket 462 series CPU. Be careful of CPU orientation when you plug it into
CPU socket (with CPU Overheat Protection function implemented, the system will be automatically power off when the
temperature of CPU reached 97 degree, but works on AthlonXP CPU only).
1. Pull up the CPU socket lever and
up to 90-degree angle.
2. Locate Pin 1 in the socket and look for a black dot or cut edge on the
CPU upper interface. Match Pin 1 and cut edge, then insert the CPU into
the socket.
CPU socket
Lever
Note: This picture is for example only; it may not exactly be the same motherboard.
CPU pin 1
and cut edge
Black dot
and 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 exactly be the same motherboard.
CPU cut edge
Note: If you do not match the CPU
socket Pin 1 and CPU cut edge well, it
ma
damage the CPU.
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AAOOppeenn OOvveerrhheeaatt PPrrootteeccttiioonn ((OO..HH..PP..)) TTeecchhnnoollooggyy
With AMD platform substantially keeps increasing the speed of its CPU, it inevitably led to the
annoying problem of high CPU operation temperature at the same time. In order to prevent
accidental failure of CPU fan, which could cause the burning down of the AthlonXP CPU, we, AOpen, have meticulously
developed a new technology, named, O.H.P. (Overheat Protection) Technology to protect them. Thanks to the intelligent
monitoring design of AOpen O.H.P. technology, user can now finally set their mind at ease even when fan failed to work without
fearing the possible damage of CPU.
Under the circumstances that CPU fan is running properly,
AthlonXP temperature should be way below the highest
temperature limit of 97℃. However, if CPU fan accidentally
becomes malfunction or improperly installed, the CPU
temperature would rocket abruptly, and you may find your
system hang up or crying over the smoking CPU if you haven’t
installed AOpen O.H.P. previously. With AOpen O.H.P.
technology applied, the specific thermal detection pins on
AthlonXP CPU would sense voltage difference when processor
is overheated with fan failed, and the overheat protection
system would immediately send out a signal to abort your
system by cutting CPU electricity before any damage is done.
Unlike other manufacturers who use BIOS or software to
control the power supply of CPU, AOpen O.H.P. Technology is
purely hardware-controlled the minute after system boot-up,
and occupies no system resource. We are pleasant to phase in
this practical function on all AOpen AMD series motherboards to protect customer’s valuable hardware and personal data.
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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.
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.
ATX Switching Power
Supply
Onboard
Power
Regulator
Over-Current
Protection
Circuit
5V (Protected by power supply)
3.3V (Protected by power supply)
12V (Protected by power supply)
CPU Core Voltage
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
EEnnllaarrggeedd AAlluummiinnuumm HHeeaattssiinnkk
Cool down CPU and Chipset is important for system reliability. Enlarged aluminum heat sink provides better heat consumption
especially when you are trying to over clocking the CPU.
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
FFuullll--rraannggee AAddjjuussttaabbllee CCPPUU CCoorree VVoollttaaggee
This function is dedicated to overclockers. The CPU core voltage of this motherboard is adjustable 1.10V to 1.85V by 0.05V
stepping. But this motherboard can also automatically detect CPU VID signal and generates proper CPU core voltage.
BIOS Setup > Frequency/Voltage Control > CPU Voltage Setting
Warning: Higher CPU core voltage may be
able to increase CPU speed for overclocking,
but you may damage the CPU or reduce the
CPU lifecycle.
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
SSeettttiinngg CCPPUU FFrreeqquueennccy
This motherboard is CPU jumper-less design, you can set CPU frequency through the BIOS setup, and no jumpers or switches
are needed.
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BIOS Setup > Frequency/Voltage Control > CPU Speed Setting
CPU Ratio
CPU FSB
(By manual Adjustment)
Warning: VIA® Apollo KT400A chipset supports
166MHz FSB (with performance reaches maximum
333MHz EV6 system bus) and 66MHz AGP clock,
higher clock setting may cause serious system
damage.
Home
From 5.5x to 12.5x step 0.5x; 17x to 18x step 1x
FSB=100, 100~129 by 1MHz stepping adjustment technology
FSB=133, 130~160 by 1MHz stepping adjustment technology
FSB=166, 161~191 by 1MHz stepping adjustment technology
Warning: Supposed you have had adjusted CPU
Speaker
ratio on your current CPU, and you plan to replace a
new CPU. Please use <Home> key or Clear CMOS
to restore the default setting when changing a new
CPU, because the system will still implement the
revious CPU setting on the new one.
Tip: If your system hangs or fails to boot because of
overclocking, simply use <Home> key to restore the
default setting or you can wait the AOpen “Watch Dog
BS” reset the system after five seconds and system
will auto-detect hardware again.
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
SSuuppppoorrtteedd CCPPUU FFrreeqquueennccyy
Core Frequency = CPU Bus Clock * CPU Ratio PCI Clock = CPU Bus Clock / Clock Ratio
AGP Clock = PCI Clock x 2 EV6 Bus Speed = CPU external bus clock x 2
CPU CPU Core Frequency EV6 Bus Clock Ratio
Athlon 1G 1GHz 200MHz 10.0x
Athlon 1.1G 1.1GHz 200MHz 11.0x
Athlon 1.2G 1.2GHz 200MHz 12.0x
Athlon 1.3G 1.3GHz 200MHz 13.0x
Athlon 1G 1GHz 266MHz 7.5x
Athlon 1.13G 1.13GHz 266MHz 8.5x
Athlon 1.2G 1.2GHz 266MHz 9.0x
Athlon 1.33G 1.33GHz 266MHz 10.0x
Athlon 1.4G 1.4GHz 266MHz 10.5x
AthlonXP 1500+ 1.3GHz 266MHz 10.0x
AthlonXP 1600+ 1.4GHz 266MHz 10.5x
AthlonXP 1700+ 1.46GHz 266MHz 11.0x
AthlonXP 1800+ 1.53GHz 266MHz 11.5x
AthlonXP 1900+ 1.6GHz 266MHz 12.0x
AthlonXP 2000+ 1.667GHz 266MHz 12.5x
AthlonXP 2100+ 1.73GHz 266MHz 13x
AthlonXP 2200+ 1.80GHz 266MHz 12.5x
AthlonXP 2400+ 2.0GHz 266MHz 13.5x
AthlonXP 2600+ 2.13GHz 266MHz 15x
AthlonXP 2500+ 1.83GHz 333MHz 11x
AthlonXP 2700+ 2.16GHz 333MHz 13x
AthlonXP 2800+ 2.083GHz 333MHz 13.5x
AthlonXP 3000+ 2.167GHz 333MHz 13x
Duron 1G 1GHz 200MHz 10.0x
Duron 1.1G 1.1GHz 200MHz 11.0x
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.
Note: This motherboard support
CPU auto-detection function.
Hence, you don’t need to setup
the CPU frequency manually.
Warning: To avoid possible CPU
damage caused by overheating,
CPU Overheat Protection circuit
had been especially designed on
this motherboard. System would
be automatically power off when
this motherboard detected a CPU
temperature above 97 degree.
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
CCPPUU aanndd HHoouussiinngg 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 (FAN2)
or SYSFAN3 (FAN3) connector.
SYSFAN3 Connector
GND
+12V
SENSOR
Note: Some CPU fans do not have
sensor pin, so that cannot support fan
monitoring.
SYSFAN2 Connector
CPUFAN1 Connector
GND
+12V
SENSOR
GND
+12V
SENSOR
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AAKK7777--440000 // AAKK7777--440000NN // AAKK7777--440000 MMaaxx OOnnlliinnee MMaannuuaall
DDIIMMMM SSoocckkeettss
This motherboard has three 184-pin DDR DIMM sockets that allow you to install DDR266/333 memory up to 3 GB and DDR400
memory up to 2GB. Non-ECC DDR RAM is supported. Otherwise, it will cause serious damage on memory sockets or RAM
module. Newly implemented function, the Voltage of memory on this motherboard is adjustable from 2.5V to 2.8V for over
clocking purpose.
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.
DDR
RAM
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