GIGABYTE GA-EP43T-UD3L Owner's Manual

GA-EP43T-UD3L

LGA775 socket motherboard for Intel® Core™ processor family/ Intel® Pentium® processor family/Intel® Celeron® processor family

User's Manual

Rev. 1001 12ME-43TUD3L-1001R

dr aobr eht o M

GA-EP43T-UD3L

Motherboard

GA-EP43T-UD3L

Apr. 30, 2009

Apr. 30, 2009

Copyright

© 2009 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved.

The trademarks mentioned in this manual are legally registered to their respective owners.

Disclaimer

Information in this manual is protected by copyright laws and is the property of GIGABYTE.

Changes to the specifications and features in this manual may be made by GIGABYTE without prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or published in any form or by any means without GIGABYTE's prior written permission.

Documentation Classifications

In order to assist in the use of this product, GIGABYTE provides the following types of documentations:

For quick set-up of the product, read the Quick Installation Guide included with the product.

For detailed product information, carefully read the User's Manual.

For instructions on how to use GIGABYTE's unique features, read or download the information on/from the Support&Downloads\Motherboard\Technology Guide page on our website.

For product-related information, check on our website at:

http://www.gigabyte.com.tw

Identifying Your Motherboard Revision

The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0" means the revision of the motherboard is 1.0. Check your motherboard revision before updating motherboard BIOS, drivers, or when looking for technical information.

Example:

Table of Contents

Box Contents....................................................................................................................			6
Optional Items..................................................................................................................			6
GA-EP43T-UD3L Motherboard Layout.............................................................................			7
Block Diagram..................................................................................................................			8
Chapter 1 Hardware Installation......................................................................................			9
1-1	Installation Precautions.....................................................................................		9
1-2	Product Specifications....................................................................................		10
1-3	Installing the CPU and CPU Cooler................................................................		13
1-3-1		Installing the CPU...................................................................................................	13
1-3-2 Installing the CPU Cooler........................................................................................			15
1-4	Installing the Memory......................................................................................		16
1-4-1 Dual Channel Memory Configuration......................................................................			16
1-4-2		Installing a Memory ................................................................................................	17
1-5	Installing an Expansion Card..........................................................................		18
1-6	Back Panel Connectors..................................................................................		19
1-7	Internal Connectors........................................................................................		21
Chapter 2 BIOS Setup...................................................................................................			33
2-1	Startup Screen................................................................................................		34
2-2	The Main Menu...............................................................................................		35
2-3	MB Intelligent Tweaker(M.I.T.)........................................................................		37
2-4	Standard CMOS Features..............................................................................		45
2-5	Advanced BIOS Features...............................................................................		47
2-6	Integrated Peripherals....................................................................................		50
2-7	Power Management Setup.............................................................................		53
2-8	PnP/PCI Configurations..................................................................................		55
2-9	PC Health Status............................................................................................		56
2-10	Load Fail-Safe Defaults..................................................................................		58
2-11	Load Optimized Defaults................................................................................		58
2-12	Set Supervisor/User Password.......................................................................		59
2-13	Save & Exit Setup...........................................................................................		60
2-14	Exit Without Saving.........................................................................................		60

- 4 -

Chapter 3 Drivers Installation........................................................................................		61
3-1	Installing Chipset Drivers................................................................................	61
3-2	Application Software.......................................................................................	62
3-3	Technical Manuals..........................................................................................	62
3-4	Contact...........................................................................................................	63
3-5	System............................................................................................................	63
3-6	Download Center............................................................................................	64

Chapter 4 Unique Features...........................................................................................			65
4-1	Xpress Recovery2..........................................................................................		65
4-2	BIOS Update Utilities......................................................................................		68
	4-2-1	Updating the BIOS with the Q-Flash Utility.............................................................	68
	4-2-2	Updating the BIOS with the @BIOS Utility..............................................................	71
4-3	EasyTune 6.....................................................................................................		72
4-4	Dynamic Energy Saver Advanced..................................................................		73
4-5	Q-Share..........................................................................................................		75
4-6	Time Repair....................................................................................................		76

Chapter 5 Appendix		.......................................................................................................	77
5-1	Configuring Audio Input and Output................................................................		77
	5-1-1 .	Configuring 2/4/5.1/7.1 - Channel Audio ..................................................................	77
	5-1-2 ......................................................................................	Configuring S/PDIF In/Out	79
	5-1-3 .........................................................................	Configuring Microphone Recording	81
	5-1-4 ......................................................................................Using the Sound Recorder		83
5-2	Troubleshooting..............................................................................................		84
	5-2-1 ..................................................................................	Frequently Asked Questions	84
	5-2-2 .....................................................................................	Troubleshooting Procedure	85
5-3	Regulatory ...................................................................................Statements		87

- 5 -

Box Contents

GA-EP43T-UD3L motherboard

Motherboard driver disk

User's Manual

Quick Installation Guide

One IDE cable

Two SATA 3Gb/s cables

I/O Shield

•The box contents above are for reference only and the actual items shall depend on the product package you obtain. The box contents are subject to change without notice.

•The motherboard image is for reference only.

Optional Items

Floppy disk drive cable (Part No. 12CF1-1FD001-7*R)

2-port USB 2.0 bracket (Part No. 12CR1-1UB030-5*R)

2-port SATA power cable (Part No. 12CF1-2SERPW-0*R)

S/PDIF In cable (Part No. 12CR1-1SPDIN-0*R)

COM port cable (Part No. 12CF1-1CM001-3*R)

LPT port cable (Part No. 12CF1-1LP001-0*R)

- 6 -

GA-EP43T-UD3L Motherboard Layout

KB_MS

ATX_12V

R_SPDIF

R_USB_1

R_USB_2

R_USB_3

USB_LAN

F_AUDIO

AUDIO SYS_FAN1

PCIEX1_1

RTL8111C PCIEX1_2

PCIEX16

CODEC PCIEX1_3

SPDIF_O	PCIEX1_4
SPDIF_I	PCI1
IT8718	PCI2

CD_IN

COMA

		PHASE_LED
	LGA775	CPU_FAN PWR_FAN
		ATX
		EP43T-UD3L
		GA-

Intel® P43

				FDD
		1		SYS_FAN2
		DDR3
		DDR3 2	DDR3 3 DDR3 4
	BATTERY
M_BIOS B_BIOS		Intel® ICH10	SATA2_3 SATA2_0
CLR_CMOS			SATA2_4	SATA2_1
			SATA2_5	SATA2_2
		JMicron 368
				IDE
			F_PANEL
	CI	PWR_LED
LPT		F_USB2 F_USB1

- 7 -

Block Diagram

PCIe CLK

LGA775

(100 MHz)

CPU

1 PCI Express x16

Host

Interface

PCI Express x16

Intel® P43

LAN

4 PCI Express x1

RJ45

PCIe CLK

RTL8111C

(100 MHz)

x1

x1

x1

x1

x1

PCI Express Bus

Intel® ICH10

ATA-133/100/66/33

JMicron

IDE Channel

368

PCI Bus

CODEC

Out

In

S/PDIF In S/ PDIF Out

Out

Out

Line

Speaker Speaker SpeakerOut

MIC Line

Center/Subwoofer Side

Surround

2 PCI

PCI CLK

(33 MHz)

CPU CLK+/-

(400(O.C.)/333/266/200 MHz)

DDR3 1600/1333/

1066/800 MHz

Dual Channel Memory

MCH CLK

(400(O.C.)/333/266/200 MHz)

Dual BIOS

6 SATA 3Gb/s

12 USB Ports

Floppy

LPT Port

IT8718

COM Port

PS/2 KB/Mouse

- 8 -

Chapter 1 Hardware Installation

1-1 Installation Precautions

The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's manual and follow these procedures:

•Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or warranty sticker provided by your dealer. These stickers are required for warranty validation.

•Always remove the AC power by unplugging the power cord from the power outlet before installing or removing the motherboard or other hardware components.

•When connecting hardware components to the internal connectors on the motherboard, make sure they are connected tightly and securely.

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

•It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic components such as a motherboard, CPU or memory. If you do not have an ESD wrist strap, keep your hands dry and first touch a metal object to eliminate static electricity.

•Prior to installing the motherboard, please have it on top of an antistatic pad or within an electrostatic shielding container.

•Before unplugging the power supply cable from the motherboard, make sure the power supply has been turned off.

•Before turning on the power, make sure the power supply voltage has been set according to the local voltage standard.

•Before using the product, please verify that all cables and power connectors of your hardware components are connected.

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

•Make sure there are no leftover screws or metal components placed on the motherboard or within the computer casing.

•Do not place the computer system on an uneven surface.

•Do not place the computer system in a high-temperature environment.

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

•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.

- 9 -

Hardware Installation

1-2	Product Specifications
CPU		w	Support for an Intel® Core™ 2 Extreme processor/
			Intel® Core™ 2 Quad processor/Intel® Core™ 2 Duo processor/
			Intel® Pentium® processor/Intel® Celeron® processor in the LGA775 package
			(Go to GIGABYTE's website for the latest CPU support list.)
		w L2 cache varies with CPU
Front Side Bus		w	1600(O.C.)/1333/1066/800 MHz FSB
Chipset		w	North Bridge: Intel® P43 Express Chipset
		w South Bridge: Intel® ICH10
Memory		w	4 x 1.5V DDR3 DIMM sockets supporting up to 8 GB of system memory (Note 1)
		w Dual channel memory architecture
		w Support for DDR3 1600/1333/1066/800 MHz memory modules
			(Go to GIGABYTE's website for the latest memory support list.)
Audio		w	Realtek ALC888 codec
		w	High Definition Audio
		w	2/4/5.1/7.1-channel
		w Support for S/PDIF In/Out
		w Support for CD In
LAN		w	RTL8111C chip (10/100/1000 Mbit)
Expansion Slots		w	1 x PCI Express x16 slot, running at x16
			(The PCI Express x16 slot conforms to PCI Express 2.0 standard.)
		w 4 x PCI Express x1 slots
		w 2 x PCI slots
Storage Interface		w	South Bridge:
			-	6 x SATA 3Gb/s connectors supporting up to 6 SATA 3Gb/s devices
		w	JMicron 368 chip:
			-	1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices
		w	iTE IT8718 chip:
			-	1 x floppy disk drive connector supporting up to 1 floppy disk drive
USB		w	Integrated in the South Bridge
		w Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets
			connected to the internal USB headers)

GA-EP43T-UD3L Motherboard

- 10 -

Internal Connectors	w	1 x 24-pin ATX main power connector
	w 1 x 4-pin ATX 12V power connector
	w 1 x floppy disk drive connector
	w 1 x IDE connector
	w 6 x SATA 3Gb/s connectors
	w 1 x CPU fan header
	w 2 x system fan headers
	w 1 x power fan header
	w 1 x front panel header
	w 1 x front panel audio header
	w 1 x CD In connector
	w 1 x S/PDIF In header
	w 1 x S/PDIF Out header
	w 2 x USB 2.0/1.1 headers
	w 1 x parallel port header
	w 1 x serial port header
	w 1 x power LED header
	w 1 x chassis intrusion header
	w 1 x clearing CMOS jumper
Back Panel	w	1 x PS/2 keyboard port
Connectors	w	1 x PS/2 mouse port
	w 1 x coaxial S/PDIF Out connector
	w 1 x optical S/PDIF Out connector
	w 8 x USB 2.0/1.1 ports
	w 1 x RJ-45 port
	w 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/
		Side Speaker Out/Line In/Line Out/Microphone)
I/O Controller	w	iTE IT8718 chip
Hardware Monitor	w	System voltage detection
	w	CPU/System temperature detection
	w CPU/System/Power fan speed detection
	w	CPU overheating warning
	w CPU/System/Power fan fail warning
	w	CPU/System fan speed control (Note 2)

- 11 -

Hardware Installation

BIOS	w 2 x 8 Mbit flash
	w Use of licensed AWARD BIOS
	w Support for DualBIOS™
	w PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b
Unique Features	w Support for @BIOS
	w Support for Q-Flash
	w Support for Xpress BIOS Rescue
	w Support for Download Center
	w Support for Xpress Install
	w Support for Xpress Recovery2
	w Support for EasyTune (Note 3)
	w Support for Dynamic Energy Saver Advanced
	w Support for Time Repair
	w Support for Q-Share
Bundled Software	w Norton Internet Security (OEM version)
Operating System	w Support for Microsoft® Windows® Vista/XP
Form Factor	w ATX Form Factor; 30.5cm x 21.0cm

(Note 1) Due to Windows Vista/XP 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.

(Note 2) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.

(Note 3) Available functions in EasyTune may differ by motherboard model.

GA-EP43T-UD3L Motherboard

- 12 -

1-3 Installing the CPU and CPU Cooler

Read the following guidelines before you begin to install the CPU:

• Make sure that the motherboard supports the CPU.

(Go to GIGABYTE's website for the latest CPU support list.)

•Always turn off the computer and unplug the power cord from the power outlet before installing the CPU to prevent hardware damage.

•Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly. (Or you may locate the notches on both sides of the CPU and alignment keys on the CPU socket.)

•Apply an even and thin layer of thermal grease on the surface of the CPU.

•Do not turn on the computer if the CPU cooler is not installed, otherwise overheating and damage of the CPU may occur.

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

1-3-1 Installing the CPU

A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU.

LGA775 CPU Socket

Alignment Key	Alignment Key
	Pin One Corner of the CPU Socket

LGA775 CPU

Notch	Notch
	Triangle Pin One Marking on the CPU

- 13 -

Hardware Installation

B. Follow the steps below to correctly install the CPU into the motherboard CPU socket.

Before installing the CPU, make sure to turn off the computer and unplug the power cord from the power outlet to prevent damage to the CPU.

CPU Socket Lever

Step 1:

Completely raise the CPU socket lever.

Step 3:

Remove the protective socket cover from the load plate. (To protect the CPU socket, always replace the protective socket cover when the CPU is not installed.)

Step 2:

Lift the metal load plate from the CPU socket. (DO NOT touch socket contacts.)

Step 4:

Hold the CPU with your thumb and index fingers.

Align the CPU pin one marking (triangle) with the pin one corner of the CPU socket (or you may align the CPU notches with the socket alignment keys) and gently insert the CPU into position.

Step 5:

Once the CPU is properly inserted, replace the load plate and push the CPU socket lever back into its locked position.

GA-EP43T-UD3L Motherboard

- 14 -

1-3-2 Installing the CPU Cooler

Follow the steps below to correctly install the CPU cooler on the motherboard. (The following procedure uses Intel® boxed cooler as the example cooler.)

Step 1:

Apply an even and thin layer of thermal grease on the surface of the installed CPU.

Step 3:

Place the cooler atop the CPU, aligning the four push pins through the pin holes on the motherboard. Push down on the push pins diagonally.

Step 5:

After the installation, check the back of the motherboard. If the push pin is inserted as the picture above shows, the installation is complete.

							Male Push
Direction of the							Pin
Arrow Sign on
the Male Push							The Top
Pin
							of Female
							Push Pin
							Female
							Push Pin

Step 2:

Before installing the cooler, note the direction of the arrow signon the male push pin. (Turning the push pin along the direction of arrow is to remove the cooler, on the contrary, is to install.)

Step 4:

You should hear a "click" when pushing down each push pin. Check that the Male and Female push pins are joined closely. (Refer to your CPU cooler installation manual for instructions on installing the cooler.)

Step 6:

Finally, attach the power connector of the CPU cooler to the CPU fan header (CPU_FAN) on the motherboard.

Use extreme care when removing the CPU cooler because the thermal grease/tape between the CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler may damage the CPU.

- 15 -

Hardware Installation

1-4 Installing the Memory

Read the following guidelines before you begin to install the memory:

• Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, brand, speed, and chips be used.

(Go to GIGABYTE's website for the latest memory support list.)

•Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage.

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

1-4-1 Dual Channel Memory Configuration

This motherboard provides four DDR3 memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory.

Enabling Dual Channel memory mode will double the original memory bandwidth.

The four DDR3 memory sockets are divided into two channels and each channel has two memory sockets as following:

Channel 0: DDR3_1, DDR3_2

Channel 1: DDR3_3, DDR3_4

Dual Channel Memory Configurations Table

	DDR3_1	DDR3_2	DDR3_3	DDR3_4
Two Modules	DS/SS	- -	DS/SS	- -
	- -	DS/SS	- -	DS/SS
Four Modules	DS/SS	DS/SS	DS/SS	DS/SS

(SS=Single-Sided, DS=Double-Sided, "- -"=No Memory)

DDR3 1 DDR3 2

DDR3 3 DDR3 4

Due to chipset limitations, read the following guidelines before installing the memory in Dual Channel mode.

1.Dual Channel mode cannot be enabled if only one DDR3 memory module is installed.

2.When enabling Dual Channel mode with two or four memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used and installed in the same colored DDR3 sockets for optimum performance.

When memory modules of different capacity and chips are installed, a message which says memory is operating in Flex Memory Mode will appear during the POST. Intel Flex Memory Technology offers greater flexibility to upgrade by allowing different memory sizes to be populated and remain in

Dual Channel mode/performance.

GA-EP43T-UD3L Motherboard

- 16 -

1-4-2 Installing a Memory

Before installing a memory module, make sure to turn off the computer and unplug the power cord from the power outlet to prevent damage to the memory module.

DDR3 and DDR2 DIMMs are not compatible to each other or DDR DIMMs. Be sure to install DDR3 DIMMs on this motherboard.

Notch

DDR3 DIMM

A DDR3 memory module has a notch, so it can only fit in one direction. Follow the steps below to correctly install your memory modules in the memory sockets.

Step 1:

Note the orientation of the memory module. Spread the retaining clips at both ends of the memory socket. Place the memory module on the socket. As indicated in the picture on the left, place your fingers on the top edge of the memory, push down on the memory and insert it vertically into the memory socket.

Step 2:

The clips at both ends of the socket will snap into place when the memory module is securely inserted.

- 17 -

Hardware Installation

1-5 Installing an Expansion Card

Read the following guidelines before you begin to install an expansion card:

• Make sure the motherboard supports the expansion card. Carefully read the manual that came with your expansion card.

•Always turn off the computer and unplug the power cord from the power outlet before installing an expansion card to prevent hardware damage.

PCI Express x1 Slot

PCI Express x16 Slot

PCI Slot

Follow the steps below to correctly install your expansion card in the expansion slot.

1.Locate an expansion slot that supports your card. Remove the metal slot cover from the chassis back panel.

2.Align the card with the slot, and press down on the card until it is fully seated in the slot.

3.Make sure the metal contacts on the card are completely inserted into the slot.

4.Secure the card’s metal bracket to the chassis back panel with a screw.

5.After installing all expansion cards, replace the chassis cover(s).

6.Turn on your computer. If necessary, go to BIOS Setup to make any required BIOS changes for your expansion card(s).

7.Install the driver provided with the expansion card in your operating system.

Example: Installing and Removing a PCI Express Graphics Card:

• Installing a Graphics Card:

Gently push down on the top edge of the card until it is fully inserted into the PCI Express slot. Make sure the card is securely seated in the slot and does not rock.

•Removing the Card:

Press the white latch at the end of the PCI Express slot to release the card and then pull the card straight up from the slot.

GA-EP43T-UD3L Motherboard

- 18 -

1-6 Back Panel Connectors

PS/2 Keyboard and PS/2 Mouse Port

Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2 keyboard.

Optical S/PDIF Out Connector

This connector provides digital audio out to an external audio system that supports digital optical audio. Before using this feature, ensure that your audio system provides an optical digital audio in connector.

Coaxial S/PDIF Out Connector

This connector provides digital audio out to an external audio system that supports digital coaxial audio. Before using this feature, ensure that your audio system provides a coaxial digital audio in connector.

USB Port

The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as a USB keyboard/mouse, USB printer, USB flash drive and etc.

RJ-45 LAN Port

The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following describes the states of the LAN port LEDs.

Connection/

Activity LED

Connection/Speed LED:

Activity LED:

Speed LED

State

Description

State

Description

Orange

1 Gbps data rate

Blinking

Data transmission or receiving is occurring

Green

100 Mbps data rate

Off

No data transmission or receiving is occurring

LAN Port

Off

10 Mbps data rate

•When removing the cable connected to a back panel connector, first remove the cable from your device and then remove it from the motherboard.

• When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent an electrical short inside the cable connector.

- 19 -

Hardware Installation

Center/Subwoofer Speaker Out Jack (Orange)

Use this audio jack to connect center/subwoofer speakers in a 5.1/7.1-channel audio configuration.

Rear Speaker Out Jack (Black)

Use this audio jack to connect rear speakers in a 4/5.1/7.1-channel audio configuration.

Side Speaker Out Jack (Gray)

Use this audio jack to connect side speakers in a 7.1-channel audio configuration.

Line In Jack (Blue)

The default line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out Jack (Green)

The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be used to connect front speakers in a 4/5.1/7.1-channel audio configuration.

Mic In Jack (Pink)

The default Mic in jack. Microphones must be connected to this jack.

In addition to the default speakers settings, the ~ audio jacks can be reconfigured to

perform different functions via the audio software. Only microphones still MUST be connected to the default Mic in jack (). Refer to the instructions on setting up a 2/4/5.1/7.1-channel audio

configuration in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."

GA-EP43T-UD3L Motherboard

- 20 -

1-7 Internal Connectors
1	21	3	5
			2
4			6
12
			4
			10
15			8
14
20			7
13			11

	18	17	19				9
				16
1)	ATX_12V			12)			F_AUDIO
2)	ATX			13)			CD_IN
3)	CPU_FAN			14)			SPDIF_I
4)	SYS_FAN1/2			15)			SPDIF_O
5)	PWR_FAN			16)			F_USB1/F_USB2
6)	FDD			17)			LPT
7)	IDE			18)			COMA
8)	SATA2_0/1/2/3/4/5			19)			CI
9)	PWR_LED			20)			CLR_CMOS
10)	BATTERY			21)			PHASE_LED
11)	F_PANEL

Read the following guidelines before connecting external devices:

• First make sure your devices are compliant with the connectors you wish to connect.

• Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from the power outlet to prevent damage to the devices.

•After installing the device and before turning on the computer, make sure the device cable has been securely attached to the connector on the motherboard.

- 21 -

Hardware Installation

1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main 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, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start.

• To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (500W or greater). If a power supply is used that does not

provide the required power, the result can lead to an unstable or unbootable system.

•The main power connector is compatible with power supplies with 2x10 power connectors. When using a 2x12 power supply, remove the protective cover from the main power connector on the motherboard. Do not insert the power supply cable into pins under the protective cover when using a 2x10 power supply.

		ATX_12V:
		Pin No.	Definition
3	4	1	GND
1	2	2	GND
	ATX_12V	3	+12V
		4	+12V

		ATX:
12	24	Pin No.	Definition	Pin No.	Definition
		1	3.3V	13	3.3V
		2	3.3V	14	-12V
		3	GND	15	GND
		4	+5V	16	PS_ON (soft On/Off)
		5	GND	17	GND
		6	+5V	18	GND
		7	GND	19	GND
		8	Power Good	20	-5V
		9	5VSB (stand by +5V)	21	+5V
		10	+12V	22	+5V
		11	+12V (Only for 2x12-pin ATX)	23	+5V (Only for 2x12-pin ATX)
1	13	12	3.3V (Only for 2x12-pin ATX)	24	GND (Only for 2x12-pin ATX)

ATX

GA-EP43T-UD3L Motherboard

- 22 -

CPU_FAN:

3/4/5) CPU_FAN/SYS_FAN1/SYS_FAN2/PWR_FAN (Fan Headers)

The motherboard has a 4-pin CPU fan header (CPU_FAN), a 4-pin (SYS_FAN2) and a 3-pin (SYS_FAN1) system fan headers, and a 3-pin power fan header (PWR_FAN). Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

										Pin No.		Definition
										1		GND
							1			2		+12V / Speed Control
										3		Sense
		CPU_FAN
										4		Speed Control
										SYS_FAN2:
										Pin No.		Definition
										1		GND
	1									2		+12V / Speed Control
	SYS_FAN2
										3		Sense
										4		Reserve
										SYS_FAN1/PWR_FAN:
									1	Pin No.		Definition
1										1		GND
SYS_FAN1 PWR_FAN										2		+12V
										3		Sense

•Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang.

• These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers.

6)FDD (Floppy Disk Drive Connector)

This connector is used to connect a floppy disk drive. The types of floppy disk drives supported are: 360 KB, 720 KB, 1.2 MB, 1.44 MB, and 2.88 MB. Before connecting a floppy disk drive, be sure to locate pin 1 of the connector and the floppy disk drive cable. The pin 1 of the cable is typically designated by a stripe of different color.

34 33

2 1

- 23 -

Hardware Installation

7)IDE (IDE Connector)

The IDE connector supports up to two IDE devices such as hard drives and optical drives. Before attaching the IDE cable, locate the foolproof groove on the connector. If you wish to connect two IDE devices, remember to set the jumpers and the cabling according to the role of the IDE devices (for example, master or slave). (For information about configuring master/slave settings for the IDE devices, read the instructions from the device manufacturers.)

39	1
40	2

8)SATA2_0/1/2/3/4/5 (SATA 3Gb/s Connectors)

The SATA connectors conform to SATA 3Gb/s standard and are compatible with SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device.

			Pin No.	Definition
	7	1	1	GND
			2	TXP
	SATA2_3	SATA2_0
			3	TXN
	SATA2_4	SATA2_1	4	GND
	SATA2_5	SATA2_2	5	RXN
			6	RXP
	7	1
			7	GND

Please connect the L-shaped end of the SATA 3Gb/s cable to your SATA hard drive.

GA-EP43T-UD3L Motherboard

- 24 -

9)PWR_LED (System Power LED Header)

This header can be used to connect a system power LED on the chassis to indicate system power status. The LED is on when the system is operating. The LED keeps blinking when the system is in S1 sleep state. The LED is off when the system is in S3/S4 sleep state or powered off (S5).

	Pin No.		Definition
	1		MPD+
1	2		MPD-
	3		MPD-
	System Status			LED
	S0			On
	S1			Blinking
	S3/S4/S5			Off

10)BATTERY

The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low level, or the CMOS values may not be accurate or may be lost.

You may clear the CMOS values by removing the battery: 1. Turn off your computer and unplug the power cord.

2. Gently remove the battery from the battery holder and wait for one minute. (Or use a metal object like a screwdriver to touch the positive and negative terminals of the battery holder, making them short for 5 seconds.)

3. Replace the battery.

4.Plug in the power cord and restart your computer.

•Always turn off your computer and unplug the power cord before replacing the battery.

•Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with

an incorrect model.

•Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain about the battery model.

•When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery (the positive side should face up).

•Used batteries must be handled in accordance with local environmental regulations.

- 25 -

Hardware Installation

11)F_PANEL (Front Panel Header)

Connect the power switch, reset switch, speaker and system status indicator on the chassis front panel to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.

Message/Power/

Power

Sleep LED

Switch

Speaker

MSG+ MSG

-PW

SPEAK+

-SPEAK

2

- PW+

20

1

19

HD-

RES+

HD+

RES-

NC

Hard Drive

Reset

Activity LED

Switch

• MSG (Message/Power/Sleep LED, Yellow):

System Status	LED	Connects to the power status indicator on the chassis front panel. The
S0	On	LED is on when the system is operating. The LED keeps blinking when the
S1	Blinking	system is in S1 sleep state. The LED is off when the system is in S3/S4
S3/S4/S5	Off	sleep state or powered off (S5).

•PW (Power Switch, Red):

Connects to the power switch on the chassis front panel. You may configure the way to turn off your system using the power switch (refer to Chapter 2, "BIOS Setup," "Power Management Setup," for more information).

•SPEAK (Speaker, Orange):

Connects to the speaker on the chassis front panel. The system reports system startup status by issuing a beep code. One single short beep will be heard if no problem is detected at system startup. If a problem is detected, the BIOS may issue beeps in different patterns to indicate the problem. Refer to Chapter 5, "Troubleshooting," for information about beep codes.

•HD (Hard Drive Activity LED, Blue)

Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive is reading or writing data.

•RES (Reset Switch, Green):

Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer if the computer freezes and fails to perform a normal restart.

•NC (Purple): No connection

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.

GA-EP43T-UD3L Motherboard

- 26 -

12)F_AUDIO (Front Panel Audio Header)

The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may connect your chassis front panel audio module to this header. Make sure the wire assignments of the module connector match the pin assignments of the motherboard header. Incorrect connection between the module connector and the motherboard header will make the device unable to work or even damage it.

		For HD Front Panel Audio:			For AC'97 Front Panel Audio:
1	2	Pin No.	Definition		Pin No.	Definition
		1	MIC2_L		1	MIC
		2	GND		2	GND
9	10	3	MIC2_R		3	MIC Power
		4	-ACZ_DET		4	NC
		5	LINE2_R		5	Line Out (R)
		6	GND		6	NC
		7	FAUDIO_JD		7	NC
		8	No Pin		8	No Pin
		9	LINE2_L		9	Line Out (L)
		10	GND		10	NC

•The front panel audio header supports HD audio by default. If your chassis provides an AC'97 front panel audio module, refer to the instructions on how to activate AC'97 functionality via the audio software in Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."

•Audio signals will be present on both of the front and back panel audio connections simultaneously. If you want to mute the back panel audio (only supported when using an HD front panel audio module), refer to Chapter 5, "Configuring 2/4/5.1/7.1-Channel Audio."

•Some chassis provide a front panel audio module that has separated connectors on each wire instead of a single plug. For information about connecting the front panel audio module that has different wire assignments, please contact the chassis manufacturer.

13)CD_IN (CD In Connector, Black)

You may connect the audio cable that came with your optical drive to the header.

			Pin No.	Definition
			1	CD-L
			2	GND
			3	GND
1
			4	CD-R

- 27 -

Hardware Installation

14)SPDIF_I (S/PDIF In Header, Red)

This header supports digital S/PDIF In and can connect to an audio device that supports digital audio out via an optional S/PDIF In cable. For purchasing the optional S/PDIF In cable, please contact the local dealer.

	1		Pin No.	Definition
			1	Power
			2	SPDIFI
			3	GND

15)SPDIF_O (S/PDIF Out Header)

This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display to the graphics card and have digital audio output from the HDMI display at the same time. For information about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card.

	Pin No.	Definition
1	1	SPDIFO
	2	GND

GA-EP43T-UD3L Motherboard

- 28 -

16)F_USB1/F_USB2 (USB Headers)

The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.

					Pin No.	Definition
9				1	1	Power (5V)
					2	Power (5V)
10				2
					3	USB DX-
					4	USB DY-
					5	USB DX+
					6	USB DY+
					7	GND
					8	GND
					9	No Pin
					10	NC

•Do not plug the IEEE 1394 bracket (2x5-pin) cable into the USB header.

•Prior to installing the USB bracket, be sure to turn off your computer and unplug the power

cord from the power outlet to prevent damage to the USB bracket.

17)LPT (Parallel Port Header)

The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the optional LPT port cable, please contact the local dealer.

25					1
26					2
Pin No.		Definition	Pin No.	Definition
1		STB-	14	GND
2		AFD-	15	PD6
3		PD0	16	GND
4		ERR-	17	PD7
5		PD1	18	GND
6		INIT-	19	ACK-
7		PD2	20	GND
8		SLIN-	21	BUSY
9		PD3	22	GND
10		GND	23	PE
11		PD4	24	No Pin
12		GND	25	SLCT
13		PD5	26	GND

- 29 -

Hardware Installation