Gigabyte GA-K8N PRO User Manual

GA-K8N Pro

AMD Socket 754 Processor Motherboard

User's Manual

Rev. 1002 12ME-K8NP-1002

© 2004 GIGABYTE TECHNOLOGY CO., LTD Copyright by GIGA-BYTE TECHNOLOGY CO., LTD. ("GBT"). No part of this manual may be reproduced or transmitted in any from without the expressed, written permission of GBT.

Trademarks

Third-party brands and names are the property of their respective owners.

Notice

Please do not remove any labels on motherboard, this may void the warranty of this motherboard. Due to rapid change in technology, some of the specifications might be out of date before publication of this booklet. The author assumes no responsibility for any errors or omissions that may appear in this document nor does the author make a commitment to update the information ontained herein.

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Mother Board

GA-K8N Pro

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August 29, 2003

Motherboard GA-K8N Pro

August 29 ,2003

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English

When you installing AGP card, please make sure the following notice is fully understood and practiced. If your AGP card has "AGP 4X/8X(1.5V) notch" (show below), please make sure your AGP card is AGP 4X/8X(1.5V).

AGP 2X(3.3V) card is not supported by nVIDIA® nForce™ 3 150 chipset. Y ou might experience system unable to boot up normally. Please insert an AGP 4X/8X(1.5V) card. Although Gigabyte's AG32S(G) graphics card is based on A T i Rage 128 Pro chip, the design of AG32S(G) is compliance with AGP 4X(1.5V) specification. Therefore, AG32S(G) will work fine with nVIDIA

Before you install PCI cards, please remove the Dual BIOS label from PCI slots if there is one.

Read Me First !

nForce™ 3 150 based motherboards.

AGP 4X/8X notch

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Preparing Your Computer

Computer motherboards and expansion cards contain very delicate Integrated Circuit (IC) chips. T o protect them against damage from static electricity, you should follow some precautions whenever you work on your computer.

1. Unplug your computer when working on the inside.

2. Use a grounded wrist strap before handling computer components. If you do not have one, touch both of your hands to a safely grounded object or to a metal object, such as the power supply case.

3. Hold components by the edges and try not touch the IC chips, leads or connectors, or other components.

4. Place components on a grounded antistatic pad or on the bag that came with the components whenever the components are separated from the system.

5. Ensure that the A TX power supply is switched off before you plug in or remove the ATX power connector on the motherboard.

Installing the motherboard to the chassis…

If the motherboard has mounting holes, but they don't line up with the holes on the base and there are no slots to attach the spacers, do not become alarmed you can still attach the spacers to the mounting holes. Just cut the bottom portion of the spacers (the spacer may be a little hard to cut off, so be careful of your hands). In this way you can still attach the motherboard to the base without worrying about short circuits. Sometimes you may need to use the plastic springs to isolate the screw from the motherboard PCB surface, because the circuit wire may be near by the hole. Be careful, don't let the screw contact any printed circuit write or parts on the PCB that are near the fixing hole, otherwise it may damage the board or cause board malfunctioning.

English

The manufacturer assumes no liability for any damage, caused directly or indirectly, by improper installation of any comfortable performing the installation, consult a qualified computer technician. Damage to system components, and injury to yourself may result if power is applied during installation.

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5 Read Me First

Table of Content

English

Read Me First !.......................................................................................4

Chapter 1 Introduction............................................................................8

Chapter 2 Hardware Installation Process.............................................15

Chapter 3 BIOS Setup .........................................................................39

1-1 Check List ....................................................................................8

1-2 Features Summary................................................................................8

1-3 GA-K8N Pro Motherboard Layout ....................................................... 11

1-4 Block Diagram - GA-K8N Pro .............................................................12

Step 1: Installing Processor and CPU Cooling Fan..................................16

Step 2: Installing Memory Modules...........................................................18

Step 3: Installing expansion cards ............................................................ 20

Step 3-1: AGP Card Installation .....................................................................................20

Step 4: Connect ribbon cables, cabinet wires and power supply ............ 21

Step 4-1: I/O Back Panel Introduction ...........................................................................21

Step 4-2: Connectors Introduction.................................................................................23

The Main Menu (For example: BIOS Ver. : F1e)......................................40

Standard CMOS Features......................................................................... 42

Advanced BIOS Features ..........................................................................45

Integrated Peripherals .............................................................................. 47

Power Management Setup .......................................................................52

PnP/PCI Configurations.............................................................................55

PC Health Status........................................................................................ 56

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Frequency/Voltage Control........................................................................58

Load Fail-Safe Defaults.............................................................................60

Load Optimized Defaults........................................................................... 61

Set Supervisor/User Password.................................................................. 62

Save & Exit Setup.......................................................................................63

Exit Without Saving ...................................................................................64

Chapter 4 Technical Reference ...........................................................67

@BIOS™ Introduction................................................................................. 67

™

EasyTune

K8DPS (Dual Power System) Introduction................................................69

Flash BIOS Method Introduction............................................................... 70

2- / 4- / 6-Channel Audio Function Introduction........................................ 80

Jack-Sensing Introduction ......................................................................... 86

UAJ Introduction ........................................................................................88

Xpress Recovery Introduction ...................................................................90

4 Introduction .........................................................................68

English

Chapter 5 Appendix.............................................................................93

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Table of Content

Chapter 1 Introduction

English

1-1 Item Checklist

1-2 Features Summary

Form Factor y 30.5cm x 23.2cm ATX size form factor, 4 layers PCB CPU y Socket 754 for AMD AlthlonTM 64 processor (K8)

Chipset y nVIDIA® nForce™ 3 150 Memory y 3 184-pin DDR DIMM sockets

I/O Control y IT8712F Slots y 1 AGP slot supports 8X/4X mode,

The GA-K8N Pro motherboard CD for motherboard driver & utility The GA-K8N Pro user's manual Quick PC Installation Guide GigaRAID manual SA T A RAID manual GC-SATA Card (optional)

(Manual; SATA cable x 1; Power cable x 1)

IDE cable x 3 / Floppy cable x 1

128K L1& 256K / 512K / 1M L2 cache on die

y Support core frequencies in excess of 1.6 GHz(2800+) and faster

y Supports DDR400/DDR333/DDR266 DIMM y Supports unbuffered DIMMs with a 64-bit databus with optional 8

bits of Error Correcting Code (ECC)

y Supports 128MB/256MB/512MB/1GB DRAM y Supports up to 3GB DRAM (Max)

AGP3.0 8X interface at 533MHz

y 5 PCI slots support 33MHz & PCI 2.3 compliant

Serial ATA cable x 2 Serial A TA power cable x 1 USB & IEEE 1394 Cable x 1 SPDIF Out Kit x 1 I/O Shield Motherboard Settings Label

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to be continued......

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On-Board IDE  2 IDE controllers provides IDE HDD/CD-ROM (IDE1, IDE2) with

PIO, Bus Master (Ultra DMA33/AT A66/ATA100/AT A133) operation modes

 IDE3 and IDE4 compatible with RAID, Ultra ATA133/100, IDE

Hardware Monitor  CPU/System/Power fan revolution detect

 CPU temperature detect  CPU warning temperature  System voltage detect  CPU/System/Power fan fail warning  CPU Smart Fan Control  Thermal shutdown function

On-Board Peripherals  1 Floppy port supports 2 FDD with 360K, 720K,1.2M, 1.44M

and 2.88M bytes

 1 Parallel port supports Normal/EPP/ECP mode  2 Serial ports (COMA & COMB)  6 USB 2.0/1.1 ports (4 x Front by cable)  3 IEEE1394 ports (by cable)  1 IrDA connector for IR/CIR  1 Front Audio connector

On-Board LAN  RTL Gigabit LAN (RTL81 10S)

 1 RJ45 ports

On-Board Sound  Realtek ALC658 CODEC (UAJ)

 Supports Jack Sensing function  Line Out / 2 front speaker  Line In / 2 rear speaker (by s/w switch)  Mic In / center & subwoofer (by s/w switch)  SPDIF In / Out  CD In / AUX In / Game port

On-Board SATA RAID  Onboard Silicon Image SiI3512

 Supports Disk striping (RAID0) or DISK Mirroring (RAID1)  Supports UDMA up to 150 MB/sec  Up to 2 SATA Device  Supports hot plug function

to be continued......

English

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Introduction

On-Board IDE RAID  Onboard GigaRAID IT8212F chipset

English

On-Board IEEE1394  Built-in Ti TSB43AB23 PS/2 Connector  PS/2 Keyboard interface and PS/2 Mouse interface BIOS  Licensed AWARD BIOS

Additional Features  PS/2 Keyboard power on by password

Overclocking  Over Voltage (CPU/DDR/AGP/Vcc12-HT) by BIOS

 Supports data striping (RAID 0) or mirroring (RAID 1) or

striping+mirroring (RAID 0 + RAID 1)

 Supports JBOD function  Supports concurrent dual A T A133 IDE controller operation  Support A TAPI mode for HDD  Supports IDE bus master operation  Support ATA133/RAID mode switch by BIOS  Displays status and error checking messages during boot-up  Mirroring supports automatic background rebuilds  Features LBA and Extended Interrupt 13 drive translation in

controller onboard BIOS

 Supports Dual BIOS  Supports Face Wizard  Supports Q-Flash

 PS/2 Mouse power on  External Modem wake up  STR(Suspend-T o-RAM)  Wake on LAN (WOL)  AC Recovery  Poly fuse for keyboard over-current protection  USB KB/Mouse wake up from S3  Supports Thermal Shutdown function  Supports @BIOS  Supports Easy Tune 4

 Over Clock (CPU/DDR/AGP) by BIOS

Please set the CPU host frequency in accordance with your processor's specifications. We don't recommend you to set the system bus frequency over the CPU's specification because these specific bus frequencies are not the standard specifications for CPU, chipset and most of the peripherals. Whether your system can run under these specific bus frequencies properly will depend on your hardware configurations, including CPU, Chipsets, SDRAM, Cards…etc.

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1-3 GA-K8N Pro Motherboard Layout

English

KB_MS

COMB

COMA

USB

AUDIO

CODEC

SPDIF_IO

SUR_CEN

LPT

LAN

(Gigabit

Ethernet)

F_AUDIO

RTL8110S

AUX_IN

GAME

ATX_12V

IT8712F

CD_IN

SYS_FAN

IR_CIR

2X_DET

SOCKET 754

INFO_LINK

PCI2

PCI3

PCI4

PCI5

F1_1394

PCI1

TI43AB23

F2_1394

CPU_FAN

AGP

nVIDIA nForce™ 3 150

SiI3512

SATA1_SII

GA-K8N Pro

DDR1

DDR2

IDE4 IDE3

SATA0_SII

RAM_LED

DDR3

GigaRAID

IT8212

PWR_LED

IDE2

BAT

PWR_FAN

F_PANEL

ATX

FDD

IDE1

NB_FAN

CLR_PWD

BACKUP BIOS

MAIN BIOS

F_USB2

F_USB1

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Introduction

1-4 Block Diagram - GA-K8N Pro

English

AGPCLK

(66MHz)

5 PCI

PCICLK

(33MHz)

AGP Slot

4X/8X

3 IEEE1394

TSB43AB23

GigaRAID

IT8212

IDE4

SiI3512

IDE3

2 Serial ATA

LAN

RJ45

RTL8110S

AMD

Althlon

processor (K8)

HyperTransport

Bus

nVIDIA nForce™ 3 150

6 USB

Ports

ATA33/66/100/133

IDE Channels

CPUCLK+/- (200MHz)

DDR400/333/266 DIMM

BIOS

LPC BUS

IT8712

24 MHz

AC97 Link

33 MHz

AC97

CODEC

MIC

LINE-IN

LINE-OUT

DDR RAM

IR/CIR

Game Port

Floppy

LPT Port

PS/2 KB/Mouse

2 COM Ports

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English

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Introduction

English

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Chapter 2 Hardware Installation Process

T o set up your computer , you must complete the following steps:

Step 1- Installing Processor and CPU Cooling Fan Step 2- Installing Memory Modules Step 3- Installing Expansion Cards Step 4- Connect ribbon Cables, Cabinet Wires, And Power Supply

English

Step 4

Step 3

Congratulations! Y ou have accomplished the hardware installation! Turn on the power supply or connect the power cable to the power outlet. Continue with the BIOS/software installation.

Step 1

Step 2

Step 4

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Hardware Installation Process

Step 1: Installing Processor and Heatsink

Before installing the processor and heatsink, adhere to the following warning:

English

1.1 The installation of the processor and heatsink is performed in four main steps: Step 1-1. Processor insertion Step 1-2. Applying thermal grease Step 1-3. Heatsink attachment Step 1-4. Connecting processor fan power These steps are described in detail in the following paragraphs.

Step 1-1. First, check the processor pins to see that none are bent. Move the socket lever to the unlocked position as shown in Figure 1 & Figure 2.(90´ to the plane of the motherboard) prior to inserting the processor. The A1 pin location is designated on the processor by a copper triangle that matches up to a triangle on the socket as shown in Figure 3. Align the processor to the socket and gently lower it into place. Do not force the processor into the socket.

1. The processor will overheat without the heatsink and/or fan, resulting in permanent irreparable damage.

2. Never force the processor into the socket.

3. Apply thermal paste between the processor and heatsink.

4. Please make sure the CPU type is supported by the motherboard.

5. If you do not match the CPU socket Pin 1 and CPU cut edge well, it will cause improper installation. Please change the insert orientation. Please use AMD approved cooling fan.

Angling the

rod to 65

Figure 1.Angling the rod to 65-degree maybe feel a kind of tight , and then continue pull the rod to 90degree when a noise “cough” made.

Socket Actuation Lever

Figure 2.Pull the rod to

the 90-degree directly.

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Figure 3. A1 pin location on the Socket and Processor.Move the socket lever to the locked position while holding pressure on the center of the processor.

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Step1-2. When the processor is installed in the socket, apply thermal grease to the processor(as

shown in Figure 4) prior to installing the heatsink. AMD recommends using a high thermal conductivity grease (such as Shin-Etsu types G751 or G749, or an equivalent product) for the thermal interface material rather than a phase change material. Phase change materials develop strong adhesive forces between the heatsink and processor.

Removing the heatsink under such conditions can cause the processor to be removed from the socket without moving the socket lever to the unlocked position and then damage the processor pins or socket contacts.

** We recommend you to apply the thermal tape to provide better heat conduction between your CPU and heatsink. (The CPU cooling fan might stick to the CPU due to the hardening of the thermal paste. During this condition if you try to remove the cooling fan, you might pull the processor out of the CPU socket alone with the cooling fan, and might damage the processor. To avoid this from happening, we suggest you to either use thermal tape instead of thermal paste, or remove the cooling fan with extreme caution.)

Figure 4. Application of Thermal Grease to the processor.

Step 1-3.Once the thermal grease has been applied to the processor, the heatsink can be attached to

the processor. Align the heatsink assembly with the support frame mating with the backer plate standoffs as shown in Figure 5&6.

English

Step 1-4. Connect the fan power wires to the header on the motherboard as shown in Figure 7.

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Figure 5&6 Alignment of Heatsink Assembly with Standoffs

Figure 7. Connecting the Fan Power Wires

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Hardware Installation Process

Step 2: Installing Memory Modules

English

The motherboard has 3 dual inline memory module (DIMM) sockets. The BIOS will automatically detects memory type and size. T o install the memory module, just push it vertically into the DIMM socket. The DIMM module can only fit in one direction due to the notch. Memory size can vary between sockets.

Before installing the memory modules, adhere to the following warning:

1.When DIMM LED is ON, do not install / remove DIMM from socket.

2.Please note that the DIMM module can only fit in one direction due to the one notch. Wrong orientation will cause improper installation. Please change the insert orientation.

Notch

DDR

Total Memory Size Per Chip Select Device Used on DIMMs Size Per CS Comments 64 Mbit (2Mx8-bitsx4 banks) 64 Mbyte 64 Mbit (1Mx16-bitsx4 banks) 32 Mbyte 128 Mbit(4Mx8-bitsx4 banks) 128 Mbyte 128 Mbit(2Mx16-bitsx4 banks) 64 Mbyte 256 Mbit(8Mx8-bitsx4 banks) 256 Mbyte 256 Mbit(4Mx16x4 banks) 128 Mbyte 512 Mbit(16Mx8-bitsx4 banks) 512 Mbyte 512 Mbit(8Mx16-bitsx4 banks) 256 Mbyte 1 Gbit(32Mx8-bitsx4 banks) 1 Gbyte 1 Gbit(16Mx16-bitsx4 banks) 512 Mbyte

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1. The DIMM socket has a notch, so the DIMM memory module can only fit in one direction.

2. Insert the DIMM memory module vertically into the DIMM socket. Then push it down.

3. Close the plastic clip at both edges of the DIMM sockets to lock the DIMM module. Reverse the installation steps when you wish to remove the DIMM module.

DDR Introduction

Established on the existing SDRAM infrastructure, DDR (Double Data Rate) memory is a high performance and cost-effective solution that allows easy adoption for memory vendors, OEMs, and system integrators.

DDR memory is a great evolutionary solution for the PC industry that builds on the existing SDRAM architecture, yet make the awesome advances in solving the system performance bottleneck by doubling the memory bandwidth. Nowadays, with the highest bandwidth of 3.2GB/s of DDR400 memory and complete line of DDR400/333/266/200 memory solutions, DDR memory is the best choice for building high performance and low latency DRAM subsystem that are suitable for servers, workstations, and full range of desktop PCs.

English

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Hardware Installation Process

Step 3 Install expansion cards

Step 3-1: AGP Card Installation

English

1. Read the related expansion card's instruction document before install the expansion card into the computer.

2. Remove your computer's chassis cover, screws and slot bracket from the computer.

3. Press the expansion card firmly into expansion slot in motherboard.

4. Be sure the metal contacts on the card are indeed seated in the slot.

5. Replace the screw to secure the slot bracket of the expansion card.

6. Replace your computer's chassis cover.

7. Power on the computer, if necessary, setup BIOS utility of expansion card from BIOS.

8. Install related driver from the operating system.

Please carefully pull out the small white-drawable bar at the end of the AGP slot when you try to install / uninstall the AGP card. Please align the AGP card to the onboard AGP slot and press firmly down on the slot. Make sure your AGP card is locked by the small whitedrawable bar.

When an AGP 2X (3.3V) card is installed the 2X_DET will light up, indicating a non-supported graphics card is inserted. Informing users that system might not boot up normally due to AGP 2X (3.3V) is not supported by the chipset.

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Step 4: Connect ribbon Cables, Cabinet Wires And Power Supply

Step 4-1: I/O Back Panel Introduction

English

u PS/2 Keyboard and PS/2 Mouse Connector

PS/2 Mouse Connector (6 pin Female)

PS/2 Keyboard Connector (6 pin Female)

v Parallel Port, Serial Ports (COM1 / COM2)

Parallel Port (25 pin Female)

COMA COMB

Serial Port (9 pin Male)

This connector supports standard PS/2 keyboard and PS/2 mouse.

According to your motherboard, please see the following descriptions for the devices. Device like printer can be connected to Parallel port; mouse and modem etc. can be connected to Serial ports.

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Hardware Installation Process

w USB/LAN Connector

English

LAN

USB 2 USB 3

Before you connect your device(s) into USB connector(s), please make sure your device(s) such as USB keyboard,mouse, scanner, zip, speaker...etc. Have a standard USB interface. Also make sure your OS supports USB controller. If your OS does not support USB controller, please contact OS vendor for possible patch or driver upgrade. For more information please contact your OS or device (s) vendors.

x Audio Connectors

Line In (Rear Speaker)

Line Out (Front Speaker)

MIC In (Center and Subwoofer)

If you want the detail information for 2-/4-/6-channel audio setup installation, please refer to page 82.

After install onboard audio driver, you may connect speaker to Line Out jack, microphone to MIC In jack. Device like CD-ROM,walkman etc. can be connected to Line-In jack.

Please note:

Y ou are able to use 2-/4-/6-channel audio feature by S/W selection. If you want to enable 6-channel function, you have 2 choose for hardware connection.

Method1:

Connect "Front Speaker" to "Line Out" Connect "Rear Speaker" to "Line In" Connect "Center and Subwoofer" to "MIC Out ".

Method2:

You can refer to page 32, and contact your nearest dealer for optional SUR_CEN cable.

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Step 4-2: Connectors Introduction

16 15

19 18 17

English

1) ATX_12V

2) ATX (Power Connector)

3) CPU_FAN

4) SYS_FAN

5) PWR_FAN

6) NB_FAN

7) FDD

8) IDE1 / IDE2

9) IDE3 / IDE4

10) SATA0 / SATA 1

11) F_PANEL

12) BAT 13 ) PWR_LED

24 22

1110

14) RAM_LED

15) 2X_DET

16) F_AUDIO

17) SUR_CEN

18) SPDIF_IO

19) CD_IN

20) AUX_IN

21) F_USB1 / F_USB2

22) F1_1394 / F2_1394

23) IR_CIR

24) GAME

25) INFO_LINK

26) CLR_PWD

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Hardware Installation Process

1) ATX_12V (+12V Power Connector)

English

2) ATX (A TX Power)

This connector (ATX_12V) supplies the CPU operation voltage (Vcore).

If this "ATX_12V connector" is not connected, system cannot boot.

Pin No. Definition

1 GND 2 GND 3 +12V 4 +12V

AC power cord should only be connected to your power supply unit after ATX power cable and

other related devices are firmly connected to the mainboard.

Pin No. Definition

1 3.3V 2 3.3V 3 GND 4 VCC 5 GND 6 VCC 7 GND 8 Power Good 9 5V SB (stand by +5V) 10 +12V 11 3.3V 12 -12V 13 GND 14 PS_ON(soft on/off) 15 GND 16 GND 17 GND 18 -5V 19 VCC 20 VCC

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3) CPU_FAN (CPU Fan Connector)

Please note, a proper installation of the CPU cooler is essential to prevent the CPU from running

under abnormal condition or damaged by overheating. The CPU fan connector supports Max.

current up to 600 mA.

Pin No. Definition

1 GND 2 +12V 3 Sense

4) SYS_FAN (System Fan Connector)

This connector allows you to link with the cooling fan on the system case to lower the system

temperature.

English

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Pin No. Definition

1 GND

2 +12V 3 Sense

Hardware Installation Process

5) PWR_FAN (Power Fan Connector)

English

6) NB_FAN (Chip Fan Connector)

This connector allows you to link with the cooling fan on the system case to lower the system

temperature.

Pin No. Definition

1 GND

If you installed wrong direction, the chip fan will not work. Sometimes will damage the chip fan.

(Usually black cable is GND)

2 +12V 3 Sense

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Pin No. Definition

- 26 -GA-K8N Pro Motherboard

1 VCC 2 GND

7) FDD (Floppy Connector)

Please connect the floppy drive ribbon cables to FDD. It supports 360K, 1.2M, 720K, 1.44M and

2.88M bytes floppy disk types.

The red stripe of the ribbon cable must be the same side with the Pin1.

English

8) IDE1 / IDE2 (IDE1 / IDE2 Connector)

Important Notice:

Please connect first hard disk to IDE1 and connect CD-ROM to IDE2.

The red stripe of the ribbon cable must be the same side with the Pin1.

3940

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IDE2

IDE1

Hardware Installation Process

9) IDE3 / IDE4 (RAID/ATA133, Green Connector)

English

10) SATA0_SII / SATA1_SII (Serial ATA Connector)

Important Notice: The red stripe of the ribbon cable must be the same side with the Pin1. If you wish

to use IDE3 and IDE4, please use it in unity with BIOS (either RAID or ATA133). Then, install the

correct driver to have proper operation. For details, please refer to the GigaRAID manual.

139

IDE4

IDE3

240

You can connect the Serial ATA device to this connector, it provides you high speed transfer rates

(150MB/sec). If you wish to use RAID function, please use it in unity with BIOS and install the

correct driver to have proper operation. For details, please refer to the SATA RAID manual.

Silicon Image Sil3512 chip supports Serial ATA connectors hot plug function.

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SATA0_SII

- 28 -GA-K8N Pro Motherboard

Pin No. Definition

1 GND 2 TXP 3 TXN 4 GND 5 RXN 6 RXP 7 GND

SATA1_SII

11) F_PANEL (2 x 10 pins Connector)

Please connect the power LED, PC speaker, reset switch and power switch etc. of your chassis

front panel to the F_PANEL connector according to the pin assignment above.

English

MSG+

MSG-

HD-

HD+

Soft Power Connector

PW+

PW-

RES+

RES-

Reset Switch

Speaker Connector

SPEAK+

SPEAK-

20 19

Message LED/ Power/ Sleep LED

IDE Hard Disk Active LED

HD (IDE Hard Disk Active LED) Pin 1: LED anode(+) (Blue) Pin 2: LED cathode(-) SPK (Speaker Connector) Pin 1: VCC(+) (Amber) Pin 2- Pin 3: NC

Pin 4: Data(-) RES (Reset Switch) Open: Normal Operation (Green) Close: Reset Hardware System PW (Soft Power Connector) Open: Normal Operation (Red) Close: Power On/Off MSG(Message LED/ Power/ Sleep LED) Pin 1: LED anode(+) (Y ellow) Pin 2: LED cathode(-) NC (Purple) NC

K8n pro_1001_q.p65 2003/8/18, ¤U¤È 06:0629

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Hardware Installation Process

12) BATTERY

English

13) PWR_LED

CAUTION

Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions.

If you want to erase CMOS...

1. Turn OFF the computer and unplug the power cord.

2. Remove the battery, wait for 30 second.

3. Re-install the battery.

4. Plug the power cord and turn ON the computer.

PWR_LED is connect with the system power indicator to indicate whether the system is on/off. It will blink when the system enters suspend mode. If you use dual color LED, power LED will turn to another color.

K8n pro_1001_q.p65 2003/8/18, ¤U¤È 06:0630

- 30 -GA-K8N Pro Motherboard

Pin No. Definition

1 MPD+ 2 MPD3 MPD-

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