GIGABYTE GA-G1975X-C Owner's Manual

GA-G1975X-C

Intel® Pentium® Processor Extreme Edition Intel® Pentium® D / Pentium® 4 LGA775 Processor Motherboard

User's Manual

Rev. 1002

12ME-G1975XC-1002R

* The WEEE marking on the product indicates this product must not be disposed of with user's other household waste

and must be handed over to a designated collection point for the recycling of waste electrical and electronic equipment!!

* The WEEE marking applies only in European Union's member states.

Mar. 3, 2006

Motherboard

GA-G1975X-C

Mar. 3, 2006

GA-G1975X-C

Motherboard

The trademarks mentioned in the manual are legally registered to their respective companies.

Notice

The written content provided with this product is the property of Gigabyte.

No part of this manual may be reproduced, copied, translated, or transmitted in any form or by any

means without Gigabyte's prior written permission. Specifications and features are subject to

change without prior notice.

Product Manual Classification

In order to assist in the use of this product, Gigabyte has categorized the user manual in the

following:

 For quick installation, please refer to the "Hardware Installation Guide" included with the

product.

 For detailed product information and specifications, please carefully read the

"Product User Manual".

 For detailed information related to Gigabyte's unique features, please go to "Technology

Guide" section on Gigabyte's website to read or download the information you need.

For more product details, please click onto Gigabyte's website at www.gigabyte.com.tw

Table of Contents

Item Checklist ................................................................................................................. 6

GA-G1975X-C Motherboard Layout .............................................................................. 7

Block Diagram ................................................................................................................ 8

Chapter 1 Hardware Installation ..................................................................................... 9

1-1 Considerations Prior to Installation .................................................................... 9

1-2 Feature Summary .......................................................................................... 10

1-3 Installation of the CPU and Heatsink .............................................................. 13

1-3-1 Installation of the CPU ......................................................................................... 13

1-3-2 Installation of the Heatsink .................................................................................. 14

1-4 Installing/Removing Cool-Plus (Northbridge Cooling Fan) .............................. 15

1-5 Installation of Memory .................................................................................... 15

1-6 Installation of Expansion Cards ...................................................................... 17

1-7 Configuring a Multi-Graphics Cards System .................................................. 18

1-7-1 Configuring a Multi View System ...................................................................... 18

1-7-2 Configuring an ATi CrossFireTM System ........................................................... 19

1-8 I/O Back Panel Introduction ........................................................................... 20

1-9 Connectors Introduction .................................................................................. 21

Chapter 2 BIOS Setup ................................................................................................ 33

The Main Menu (For example: BIOS Ver. : E2) ....................................................... 34

2-1 Standard CMOS Features ............................................................................. 36

2-2 Advanced BIOS Features .............................................................................. 39

2-3 Integrated Peripherals ..................................................................................... 42

2-4 Power Management Setup ............................................................................. 44

2-5 PnP/PCI Configurations ................................................................................. 45

2-6 PC Health Status ........................................................................................... 46

2-7 MB Intelligent Tweaker(M.I.T.) ....................................................................... 48

2-8 Top Performance ............................................................................................. 52

2-9 Select Language ............................................................................................. 52

2-10 Load Fail-Safe Defaults ................................................................................... 53

2-11 Load Optimized Defaults ................................................................................. 53

2-12 Set Supervisor/User Password ..................................................................... 54

2-13 Save & Exit Setup ......................................................................................... 55

2-14 Exit Without Saving ....................................................................................... 55

- 4 -

Chapter 3 Drivers Installation ...................................................................................... 57

3-1 Install Chipset Drivers .................................................................................... 57

3-2 Software Applications ..................................................................................... 58

3-3 Driver CD Information .................................................................................... 58

3-4 Hardware Information ..................................................................................... 59

3-5 Contact Us ..................................................................................................... 59

Chapter 4 Appendix ................................................................................................... 61

4-1 Unique Software Utilities ................................................................................ 61

4-1-1 EasyTune 5 Introduction ..................................................................................... 62

4-1-2 Xpress Recovery2 Introduction ......................................................................... 63

4-1-3 Flash BIOS Method Introduction ........................................................................ 65

4-1-4 Configuring SATA Hard Drive(s) (Controller: Intel ICH7R) ............................. 76

4-1-5 2- / 4- / 5.1- / 6.1- / 7.1- Channel Audio Function Introduction .................... 87

4-1-6 DTS Introduction ................................................................................................... 93

4-2 Troubleshooting ............................................................................................. 100

4-3 POST Error Code ........................................................................................ 101

- 5 -

Item Checklist

IDE Cable x 2 and FDD Cable x 1

Serial ATA II Cable x 2

Serial ATA Power Cable x 1

2 Ports USB 2.0 Cable x 1

8-Channel Audio Combo kit x 1

2 Ports USB 2.0 + 2 Ports IEEE1394 Cable x 1

I/O Shield

DGBR2 card bracket

DGBR2 Card

* The items listed above are for reference only, and are subject to change without notice.

- 6 -

GA-G1975X-C Motherboard Layout

MOS_HEATSINK1

ATX_12V_2X4

KB_MS

AUDIO

USB

Broadcom

5789

SUR_CEN

SPDIF_IO

COMA

LAN1

F_AUDIO

PCIE_4_1

MOS_HEATSINK2

CD_IN

PCIE_16_1

PCIE1

PCIE2

PCIE_16_2

PCIE_4_2

RF_ID

PW1

Debug LED

PCIE_12V

NB_FAN

PW2

(Note)

LGA775

CREATIVE

CA0106

F1_1394

Intel® 975X

F2_1394

CPU_FAN

TSB43AB23

GA-G1975X-C

DDRII1

Intel® ICH7R

BATTERY

F_USB1

F_USB2

IDE2

DDRII2

PWR_FAN

DDRII4

DDRII3

MAIN BIOS

BACKUP BIOS

S_ATAII2_3

IT8211F

GREEN_USB

IT8712

ATX

PWR_FAN

FDD

IDE1

SYS_FAN

F_PANEL

S_ATAII0_1

PWR_LED

(Note) For error code information, please refer to page 101.

- 7 -

Block Diagram

2 PCI-ECLK

2 PCI Express x 4

PCI-ECLK

(100MHz)

x4/x1 x4/x1

PCI Express Bus

TSB43AB23 IT8211F

2 PCI

(100MHz)

PCI Bus

3 IEEE1394a

PCI Express x16

LAN1

RJ45

Broadcom

5789

LGA775

Processor

Intel 975X

Intel

ICH7R

CREATIVE

CA0106

MIC

Line-Out

Host

Interface

Line-In

SPDIF In

CPUCLK+/-(266/200 MHz)

DDRII 888

533MHz DIMM

Dual Channel Memory

MCHCLK (266/200MHz)

66MHz 33MHz

14.318MHz 48MHz

Dual BIOS

IT8712

24MHz

8 USB

33MHz

Ports

SPDIF Out

(Note 1)

/ 667

4 SATA 3Gb/s

ATA33/66/100

IDE Channel

Floppy

COM Port

PS/2 KB/Mouse

(Note 2)

Side Speaker Out

PCICLK

ATA33/66/100/133 IDE Channel

Surround Speaker Out

(33MHz)

Center/Subwoofer Speaker Out

(Note 1) DDR II memory can be overclocked to 888MHz (must be used with a 1066MHz FSB processor)

through overclocking in BIOS. Go to GIGABYTE's website for more information about the supported DDR II memory modules for this feature.

(Note 2) To use a DDR II 667 memory module on the motherboard, you must install an 800/1066MHz

FSB processor.

- 8 -

Chapter 1 Hardware Installation

1-1 Considerations Prior to Installation

Preparing Your Computer

The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Thus, prior to installation, please follow the instructions below:

1. Please turn off the computer and unplug its power cord.

2. When handling the motherboard, avoid touching any metal leads or connectors.

3. It is best to wear an electrostatic discharge (ESD) cuff when handling electronic components (CPU, RAM).

4. Prior to installing the electronic components, please have these items on top of an antistatic pad or within a electrostatic shielding container.

5. Please verify that the power supply is switched off before unplugging the power supply connector from the motherboard.

Installation Notices

1. Prior to installation, please do not remove the stickers on the motherboard. These stickers are required for warranty validation.

2. Prior to the installation of the motherboard or any hardware, please first carefully read the information in the provided manual.

3. Before using the product, please verify that all cables and power connectors are connected.

4. To prevent damage to the motherboard, please do not allow screws to come in contact with the motherboard circuit or its components.

5. Please make sure there are no leftover screws or metal components placed on the motherboard or within the computer casing.

6. Please do not place the computer system on an uneven surface.

7. Turning on the computer power during the installation process can lead to damage to system components as well as physical harm to the user.

8. If you are uncertain about any installation steps or have a problem related to the use of the product, please consult a certified computer technician.

English

Instances of Non-Warranty

1. Damage due to natural disaster, accident or human cause.

2. Damage as a result of violating the conditions recommended in the user manual.

3. Damage due to improper installation.

4. Damage due to use of uncertified components.

5. Damage due to use exceeding the permitted parameters.

6. Product determined to be an unofficial Gigabyte product.

Hardware Installation- 9 -

English

1-2 Feature Summary

CPU  Supports LGA775 Intel® Pentium® Processor Extreme Edition/ Pentium® D /

Pentium® 4

 L2 cache varies with CPU Front Side Bus  Supports 1066/800MHz FSB Chipset  Northbridge: Intel® 975X Express Chipset

 Southbridge: Intel® ICH7R LAN  Onboard Broadcom 5789 chip (10/100/1000 Mbit) Audio  Onboard CREATIVE CA0106 chip

 Supports 2 / 4 / 5.1 / 6.1/ 7.1 channel audio

 Supports SPDIF In/Out connection IEEE 1394  Onboard TI 1394a chip

 3 IEEE1394a ports

Storage  ICH7R Southbrigde

- 1 FDD connector, allowing connection of 2 FDD devices

- 1 IDE connector (IDE1) with UDMA 33/ATA 66/ATA 100 suppport,

- 4 SATA 3Gb/s connectors (SATAII0_1, SATAII2_3), allowing connection

- Supports data striping (RAID 0), mirroring (RAID 1) or

 Onboard IT8211F chipset

- 1 IDE connector (IDE2) (UDMA 33/ATA 66/ATA 100/ATA 133),

- Supports ATAPI mode for HDD

- Supports IDE bus master operation O.S Support  Microsoft Windows 2000/XP Memory  4 DDR II DIMM memory slots (supports up to 8GB memory)

 Supports dual channel DDR II 888  Supports 1.8V DDR II DIMMs  Supports ECC/non-ECC type DRAM

Expanstion Slots  2 PCI Express x 16 slots

 2 PCI Express x 4 slots  2 PCI slots

(Note 1)

(Note 2)

allowing connection of 2 IDE devices

of 4 SATA devices

striping + mirroring (RAID 0+1) or RAID 5 for Serial ATA

suppport, allowing connection of 2 IDE devices

(Note 3)

(Note 4)

/667

/533 unbuffered DIMMs

GA-G1975X-C Motherboard - 10 -

Internal Connectors  1 24-pin ATX power connector

 1 8-pin ATX 12V power connector  1 4-pin PCIE 12V power connector  1 floppy connector  2 IDE connectors  4 SATA 3Gb/s connectors  1 CPU fan connector  1 system fan connector  1 power fan connector  1 Northbridge fan connector  1 front panel connector  1 front audio connector  1 CD In connector  1 COMA connector  3 USB 2.0/1.1 connectors for additional 6 ports by cables  2 IEEE1394a connectors for additional 3 ports by cables  1 RF_ID connector  1 SUR_CEN connector  1 SPDIF In/Out connector  1 power LED connector

Rear Panel I/O  1 PS/2 keyboard port

 1 PS/2 mouse port  1 RJ-45 port  2 USB 2.0/1.1 ports  3 audio jacks (Line In / Line Out / MIC In)

I/O Control  IT8712 chip Hardware Monitor  System voltage detection

 CPU temperature detection  CPU / System / Power fan speed detection  CPU warning temperature  CPU / System / Power fan failure warning  CPU smart fan control

BIOS  2 4M bit flash ROM

 Use of licensed AWARD BIOS  Supports DualBIOS/Multilanguage BIOS

Additional Features  Supports @BIOS

 Supports Download Center  Supports Q-Flash  Supports EasyTune  Supports Xpress Install  Supports Xpress Recovery2  Supports Xpress Rescue

(Note 5)

English

Hardware Installation- 11 -

English

Bundle Software  Norton Internet Security (OEM revision) Overclocking  Over Voltage via BIOS (CPU/ DDR II/ PCI-E/ FSB)

- CPU Over Voltage : Adjustable CPU voltage at 0.05V

(Adjustable range from 1.7500V to 1.0625V)

- DIMM Over Voltage : Adjustable DIMM voltage at 0.1V

(Adjustable range from +0.1V to +0.7V)

- PCI-E Over Voltage : Adjustable DIMM voltage at 0.1V

(Adjustable range from +0.1V to +0.7V)

- FSB Over Voltage : Adjustable FSB voltage at 0.05V

(Adjustable range from +0.05V to +0.35V)

 Over Clock via BIOS (CPU/ DDR II/ PCI-E)

- PCI Express x16 Frequency : Allows 1MHz increment from 90MHz to

150MHz.

- Adjustable FSB/DDRII frequencies. Form Factor  ATX form factor; 30.5cm x 24.4cm

(Note 1) For further CPU support information, please go to GIGABYTE's website. (Note 2) 4~7.1 channel audio configuration requires the use of Audio Combo Kit. (Note 3) DDR II memory can be overclocked to 888MHz (must be used with an 1066MHz FSB

processor) through overclocking in BIOS. Go to GIGABYTE's website for more information about the supported DDR II memory modules for this feature.

(Note 4) To use a DDR II 667 memory module on the motherboard, you must install an 800/1066MHz

FSB processor.

(Note 5) EasyTune functions may vary depending on different motherboards.

GA-G1975X-C Motherboard - 12 -

1-3 Installation of the CPU and Heatsink

Before installing the CPU, please comply with the following conditions:

1. Please make sure that the motherboard supports the CPU.

2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong direction, the CPU will not insert properly. If this occurs, please change the insert direction of the CPU.

3. Please add an even layer of heat sink paste between the CPU and heatsink.

4. Please make sure the heatsink is installed on the CPU prior to system use, otherwise overheating and permanent damage of the CPU may occur.

5. Please set the CPU host frequency in accordance with the processor specifications. It is not recommended that the system bus frequency be set beyond hardware specifications since it does not meet the required standards for the peripherals. If you wish to set the frequency beyond the proper specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc.

HT functionality requirement content :

Enabling the functionality of Hyper-Threading Technology for your computer system requires all of the following platform components:

- CPU: An Intel® Pentium 4 Processor with HT Technology

- Chipset: An Intel® Chipset that supports HT Technology

- BIOS: A BIOS that supports HT Technology and has it enabled

- OS: An operation system that has optimizations for HT Technology

1-3-1 Installation of the CPU

Metal Lever

Fig. 1 Gently lift the metal lever located on the CPU socket to the upright position.

English

Fig. 2 Remove the plastic covering on the CPU socket.

Fig. 3 Notice the small gold colored triangle located on the edge of the CPU socket. Align the indented corner of the

CPU with the triangle and gently insert the CPU into position. (Grasping the CPU firmly between your thumb and forefinger, carefully place it into the socket in a straight and downwards motion. Avoid twisting or bending motions that might cause damage to the CPU during installation.)

Fig. 4 Once the CPU is properly inserted, please replace the load plate and push the metal lever back into its original position.

Hardware Installation- 13 -

1-3-2 Installation of the Heatsink

Male Push Pin

English

Fig.1 Please apply an even layer of heatsink paste on the surface of the installed CPU.

Fig. 3 Place the heatsink atop the CPU and make sure the push pins aim to the pin hole on the motherboard.Pressing down the push pins diagonally.

The top of Female Push Pin

Female Push Pin

Fig. 2 (Turning the push pin along the direction of arrow is to remove the heatsink, on the contrary, is to install.) Please note the direction of arrow sign on the male push pin doesn't face inwards before installation. (This instruction is only for Intel boxed fan)

Fig. 4 Please make sure the Male and Female push pin are joined closely. (for detailed installation instructions, please refer to the heatsink installation section of the user manual)

Fig. 5 Please check the back of motherboard after installing. If the push pin is inserted as the picture, the installation is complete.

The heatsink may adhere to the CPU as a result of hardening of the heatsink paste.To prevent such an occurrence, it is suggested that either thermal tape rather than heat sink paste be used for heat dissipation or using extreme care when removing the heatsink.

GA-G1975X-C Motherboard - 14 -

Fig. 6 Finally, please attach the power connector of the heatsink to the CPU fan header located on the motherboard.

1-4 Installing/Removing Cool-Plus (Northbridge Cooling Fan)

English

Fig.1 To attach Cool-Plus to a heatsink, align the extensions on both sides with the grooves in the heatsink as shown. Firmly press down until it snaps into position.

Fig.3 Before proceeding, first check to make sure that the fan's power cable is disconnected. Then, while applying pressure to the top of the fan, carefully use a screwdriver to dislodge the extension on one side.

Exerting too much pressure on the fan during removal might cause the side extensions to break-off.

1-5 Installation of Memory

Before installing the memory modules, please comply with the following conditions:

1. Please make sure that the memory used is supported by the motherboard. It is recommended that memory of similar capacity, specifications and brand be used.

2. Before installing or removing memory modules, please make sure that the computer power is switched off to prevent hardware damage.

3. Memory modules have a foolproof insertion design. A memory module can be installed in only one direction. If you are unable to insert the module, please switch the direction.

Fig.2 Once the fan is properly affixed onto the heatsink, plug the power cable into the NB_FAN connector.

The motherboard supports DDR II memory modules, whereby BIOS will automatically detect memory capacity and specifications. Memory modules are designed so that they can be inserted only in one direction. The memory capacity used can differ with each slot.

Notch

DDR II

Hardware Installation- 15 -

English

Fig.1 The DIMM socket has a notch, so the DIMM memory module can only fit in one direction. Insert the DIMM memory module vertically into the DIMM socket. Then push it down.

Fig.2 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.

Dual Channel Memory Configuration

The GA-G1975X-C supports the Dual Channel Technology. After operating the Dual Channel Technology, the bandwidth of Memory Bus will add double.

GA-G1975X-C includes 4 DIMM sockets, and each Channel has two DIMM sockets as following:

Channel A : DDR II 1, DDR II 2 Channel B : DDR II 3, DDR II 4

If you want to operate the Dual Channel Technology, please note the following explanations due to the limitation of Intel chipset specifications.

1. Dual Channel mode will not be enabled if only one DDR II memory module is installed.

2. To enable Dual Channel mode with two or four memory modules (it is recommended to use memory modules of identical brand, size, chips, and speed), you must install them into DIMM sockets of the same color.

The following is a Dual Channel Memory configuration table: (DS: Double Side, SS: Single Side)

DDR II 1 DDR II 2 DDR II 3 DDR II 4

2 memory modules

4 memory modules

DS/SS X DS/SS X

X DS/SS X DS/SS

DS/SS DS/SS DS/SS DS/SS

GA-G1975X-C Motherboard - 16 -

1-6 Installation of Expansion Cards

You can install your expansion card by following the steps outlined below:

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.

Installing a PCI Express x 16 expansion card:

Please carefully pull out the small whitedrawable bar at the end of the PCI Express x 16 slot when you try to install/ uninstall the VGA card. Please align the VGA card to the onboard PCI Express x 16 slot and press firmly down on the slot. Make sure your VGA card is locked by the small white-drawable bar.

English

To release an installed card, users can also press the latch on the opposite side of the drawable bar as the picture to the left shows.

The PCIE_12V power connector supplies extra power to the PCIEx 16 slots. Connect this connector depending on your system requirements.

Hardware Installation- 17 -

English

1-7 Configuring a Multi-Graphics Cards System

1-7-1 Configuring a Multi View System

This function is supported only on Windows XP operating system. With Multi View technology from GIGABYTE, Dual Graphic enabled motherboards offer multiple display support on up to eight separate monitors. This improves the capabilities and productivity of the user by allowing them to spread multiple windows over eight monitors and view them simultaneously.

Multiple display support for increasing productivity

Multiple display support for immersive video

Before you begin--

The exact power requirement will depend on your overall system configurations. You need a power supply that can provide sufficient and stable power to your system and the two graphics cards. We recommend a power supply that supplies 400W (or above) and 25A (or above) +12V current.

If you wish to enable the Multi View function, install two or three similar graphics cards into the PCIE_16_1, PCIE_16_2, PCIE_4_1, PCIE_4_2 slots identical brand and chips. For example: GIGABYTE GV-RX13P256DE-RH). If you want to set up a single or dual graphics card system, we recommend installing the graphics card(s) on the PCIE_16 slot(s) to ensure better display performance.

(Note) In order to enable the Dual Graphic function correctly, you have to install at least one graphics

card into the PCIE_16 slot.

GA-G1975X-C Motherboard - 18 -

(Note)

. (It is recommended to use graphics cards of

1-7-2 Configuring an ATi CrossFireTM System

To enable CrossFireTM technology on the motherboard, you need one ATI CrossFireTM Edition graphics card (master) and one standard CrossFireTM-ready ATI RADEON graphics card (slave).

Before you begin--

I. Power Requirements: Before installation, assure that the power supply you use is able to provide sufficient power to fully support an CrossFire configuration and other components in your system. We recommend a power supply that provides at least 20A 12V current. Please note that the exact power requirements will depend on your overall system configurations. II. Supported Operating Systems: Only Windows XP operating system is currrently supported by the ATI CrossFireTM technology.

Enabling CrossFire Mode--

Connecting Two Graphics Cards: Step 1: Observe the steps in "1-5 Installation of Expansion Cards"

on page 17 and install the master graphics card (ATI CrossFire Edition) in the PCIE_16_1 slot and the slave graphics card (ATI standard CrossFire-ready) in the PCIE_16_2 slot.

Step 2: Attach the CrossFire cable (included with the CrossFire

Edition graphics card) to the DMS connector of the master card and to the DVI connector of the slave card.

DMS Connector

(Master Card)

DVI-I Connector

(Slave card)

English

Step 3: Connect your LCD monitor to the CrossFire cable or

connect your VGA monitor via an adapter.

Graphics Card Driver Setting: After installing graphics card driver in operating system, access the ATI CATALYST Control Center. From the ATI CATALYST Control Center, enter the CrossFire menu and assure to select the Enable CrossFire checkbox to complete the configuration.

Hardware Installation- 19 -

English

1-8 I/O Back Panel Introduction

PS/2 Keyboard and PS/2 Mouse Connector

To install a PS/2 port keyboard and mouse, plug the mouse to the upper port (green) and the keyboard to the lower port (purple).

Line In

Devices like CD-ROM, walkman etc. can be connected to Line In jack.

Line Out

Connect the stereo speakers, earphone or front surround speakers to this connector.

MIC In

Microphone can be connected to MIC In jack.

LAN Port

The provided Internet connection is Gigabit Ethernet (PCI Express Gigabit), providing data transfer speeds of 10/100/1000Mbps.

USB Port

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.

You can use audio software to configure 2-/4-/5.1-/6.1-/7.1-channel audio functioning.

GA-G1975X-C Motherboard - 20 -

1-9 Connectors Introduction

English

3 7

1) ATX_12V_2X4

2) ATX (Power Connector)

3) PCIE_12V

4) CPU_FAN

5) SYS_FAN

6) PWR_FAN

7) NB_FAN

8) FDD

9) IDE1 / IDE2

10) SATAII0_1 / SATAII2_3

11) PWR_LED

12) BATTERY

1822 21

13) F_PANEL

14) F_AUDIO

15) CD_IN

16) SPDIF_IO

17) SUR_CEN

18) F_USB1 / F_USB2 / GREEN_USB

19) F1_1394 / F2_1394

20) COMA

21) PW1 / PW2

22) RF_ID

23) C I

Hardware Installation- 21 -

English

1/2) ATX_12V_2X4 / ATX (Power Connector)

With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, please make sure that all components and devices are properly installed. Align the power connector with its proper location on the motherboard and connect tightly. The ATX 12V (2x4) power connector mainly supplies power to the CPU. If the ATX 12V (2x4) power connector is not connected, the system will not start. If you wish to install a power supply that provides ATX 12V (2x2) power connector, please connect the ATX 12V power connector to the Pin 3, 4, 7, 8 of the onboard ATX_12V_2X4 power connector according to the pin definitions. Important Use of a power supply providing an ATX 12V (2x4) power connector is recommended by processor manufacturer when using Intel Pentium D Extreme Edition processor. Caution! Please use a power supply that is able to handle the system voltage requirements. It is recommended that a power supply that can withstand high power consumption be used (400W or greater). If a power supply is used that does not provide the required power, the result can lead to an unstable system or a system that is unable to start. If you use a power supply that provides a 24-pin ATX or 2x4 pin ATX 12V power connector, please remove the small cover on the power connector on the motherboard before plugging in the power cord ; otherwise, please do not remove it.

Pin No. Definition

1 GND

2 GND

3 GND

4 GND

5 +12V

6 +12V

7 +12V

8 +12V

Pin No. Definition

1 3.3V

2 3.3V

3 GND

4 +5V

5 GND

6 +5V

7 GND

8 Power Good

9 5V SB(stand by +5V)

10 +12V

11 +12V(Only for 24-pin ATX)

12 3.3V(Only for 24-pin ATX)

GA-G1975X-C Motherboard - 22 -

Pin No. Definition

13 3.3V

14 -12V

15 GND

16 PS_ON(soft On/Off)

17 GND

18 GND

19 GND

20 -5V

21 +5V

22 +5V

23 +5V (Only for 24-pin ATX)

24 GND(Only for 24-pin ATX)

3) PCIE_12V (Power Connector)

The PCIE_12V power connector supplies extra power to the PCIE x 16 slot. Connect this connector depending on your system requirements.

PIin No. Definition

1NC

2 GND

3 GND

4 +12V

4/5/6) CPU_FAN / SYS_FAN / PWR_FAN (Cooler Fan Power Connector)

The cooler fan power connector supplies a +12V power voltage via a 3-pin/4-pin (only for CPU_FAN) power connector and possesses a foolproof connection design. Most coolers are designed with color-coded power connector wires. A red power connector wire indicates a positive connection and requires a +12V power voltage. The black connector wire is the ground wire (GND). Please remember to connect the power to the cooler to prevent system overheating and failure. Caution! Please remember to connect the power to the CPU fan to prevent CPU overheating and failure.

English

CPU_FAN

SYS_FAN / PWR_FAN

Pin No. Definition

1 GND

2 +12V

3 Sense

4 Speed Control

(Only for CPU_FAN)

Hardware Installation- 23 -

English

7) NB_FAN (Chip Fan Connector)

If you installed wrong direction, the chip fan will not work. Sometimes will damage the chip fan. (Usually black cable is GND)

Pin No. Definition

1 +12V

2 GND

8) FDD (Floppy Connector)

The FDD connector is used to connect the FDD cable while the other end of the cable connects to the FDD drive. The types of FDD drives supported are: 360KB, 720KB, 1.2MB, 1.44MB and 2.88MB. Please connect the red power connector wire to the pin1 position.

GA-G1975X-C Motherboard - 24 -

9) IDE1 / IDE2 (IDE Connector)

An IDE device connects to the computer via an IDE connector. One IDE connector can connect to one IDE cable, and the single IDE cable can then connect to two IDE devices (hard drive or optical drive). If you wish to connect two IDE devices, please set the jumper on one IDE device as Master and the other as Slave (for information on settings, please refer to the instructions located on the IDE device).To ensure that an IDE CD-ROM drive can work properly, please attach it to the IDE 1 connector.

IDE1

English

IDE2

10) SATAII0_1 / SATAII2_3 (SATA 3Gb/s Connector)

SATA 3Gb/s can provide up to 300MB/s transfer rate. Please refer to the BIOS setting for the Serial ATA and install the proper driver in order to work properly.

Pin No. Definition

1 GND

2 TXP

3 TXN

4 GND

5RXN

6 RXP

7 GND

Hardware Installation- 25 -

English

11) PWR_LED

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.

Pin No. Definition

1 MPD+

2 MPD-

3 MPD-

12) BATTERY

GA-G1975X-C Motherboard - 26 -

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. Take out the battery gently and put it aside for about 10

minutes (Or you can use a metal object to connect the

positive and negative pins in the battery holder to make

them short for one minute).

3. Re-install the battery.

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

13) F_PANEL (Front Panel Jumper)

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 below.

Speaker Connector

PW-

MSG-

1920

Reset Switch

RES+

RES-

HD-

HD+

IDE Hard Disk

Active LED

SPEAK-

SPEAK+

Power Switch

Message LED/

Power/

Sleep LED

PW+

MSG+

HD (IDE Hard Disk Active LED) Pin 1: LED anode(+)

(Blue) Pin 2: LED cathode(-)

SPEAK (Speaker Connector) Pin 1: Power

(Amber) Pin 2- Pin 3: NC

Pin 4: Data(-)

RES (Reset Switch) Open: Normal

(Green) Close: Reset Hardware System

PW (Power Switch) Open: Normal

(Red) Close: Power On/Off

MSG (Message LED/Power/Sleep LED) Pin 1: LED anode(+)

(Yellow) Pin 2: LED cathode(-)

NC ( Purple) NC

English

Hardware Installation- 27 -

English

14) F_AUDIO (Front Audio Connector)

If you wish to use the front audio function, connect the front panel audio module to this connector. Check the pin assignments carefully while you connect the front panel audio module. Incorrect connection between the module and connector will make the audio device unable to work or even damage it. For optional front panel audio module, please contact your chassis manufacturer.

Pin No. Definition

910

1 MIC

2 GND

3 MIC_BIAS

4NC

5 FrontAudio(R)

6NC

7NC

8 No Pin

9 FrontAudio(L)

10 NC

15) CD_IN (CD IN)

Connect CD-ROM or DVD-ROM audio out to the connector.

GA-G1975X-C Motherboard - 28 -

Pin No. Definition

1 CD-L

2 GND

3 GND

4 CD-R

16) SPDIF_IO (SPDIF In/Out)

The SPDIF output is capable of providing digital audio to external speakers or compressed AC3 data to an external Dolby Digital Decoder. Use this feature only when your stereo system has digital input function. Use SPDIF IN feature only when your device has digital output function. Be careful with the polarity of the SPDIF_IO connector. Check the pin assignment carefully while you connect the SPDIF cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional SPDIF cable, please contact your local dealer.

Pin No. Definition

1 Power

2 No Pin

1625

3 SPDIF

4 SPDIFI

5 GND

6 GND

17) SUR_CEN (Surround Center Connector)

Please connect the Surround Kit connector from the included Audio Combo Kit to this connector.

English

Pin No. Definition

1 REAR_L

2 REAR_R

3 GND

4 No Pin

5 CENTER

6 LEF

7 SIDE_L

8 SIDE_R

Hardware Installation- 29 -

English

18) F_ USB1 / F_USB2 / GREEN_USB (Front USB Connector)

Be careful with the polarity of the front USB connector. Check the pin assignments carefully while you connect the front USB cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional front USB cable, please contact your local dealer. The GREEN_USB connector provides no standby power when system is off and it does not support USB device to wake up from S3 mode. Users who wish to shut down the standby power

(note)

for their USB devices during system power-off can connect the devices to this

connector via the optional front USB cable.

Pin No. Definition

2910

1 Power(5V)

2 Power(5V)

3 USB DX-

4 USB Dy-

5 USB DX+

6 USB Dy+

7 GND

8 GND

9 No Pin

10 NC

(Note)When the standby power is shut down, USB devices

(example: optical mouses) will not light on during system power-off.

19) F1_1394 / F2_1394 (IEEE 1394 Connector)

Serial interface standard set by Institute of Electrical and Electronics Engineers, which has features like high speed, highbandwidth and hot plug. Be careful with the polarity of the IEEE1394 connector. Check the pin assignment carefully while you connect the IEEE1394 cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. For optional IEEE1394 cable, please contact your local dealer.

F1_1394

Pin No. Definition

GA-G1975X-C Motherboard - 30 -

210 19

1 TPA2+

2 TPA2-

3 GND

4 GND

5 TPB2+

6 TPB2-

7 No Pin

8 Power(12V)

9 Power(12V)

10 GND

216

F2_1394

Pin No. Definition

1 Power(12V) 2 Power(12V) 3 TPA0+ 4 TPA05 GND 6 GND 7 TPB0+ 8 TPB09 Power(12V) 10 Power(12V) 11 TPA1+ 12 TPA113 GND 14 No Pin 15 TPB1+ 16 TPB1-

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