1.2Motherboard overview

1.2.1Motherboard layout

Ensure that you install the motherboard into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis.

Place this side towards the rear of the chassis.

KBMS

ATX12V

COM

VGA

USB34 4-USBPW1

_PS2

LAN1_USB12

CHA_FAN

AUDIO

RTL

8102FL

18.3cm(7.2in)

CPU_FAN

 

module)

module)

 

LGA775

_pin-240(64bit,A1

_pin-240(64bit,B1

 

Intel®

DDR2 DIMM

DDR2 DIMM

24.4cm(9.6in)

G31

 

 

 

 

 

 

EATXPWR

PCIEX16

 

 

 

 

RTM870T-954

Lithium Cell

Intel®

 

 

Super

 

CMOS Power

 

 

I/O

 

 

ICH7

SATA2

SATA1

 

 

 

PCIEX1_1 P5KPL-AM SE

 

 

 

 

 

 

SPEAKER

 

 

 

ALC662

PCI1

 

CLRTC

 

8Mb

 

 

 

 

F_PANEL SB_PWR USBPW5-8

USB56

 

 

BIOS

CD

USB78

PRI_IDE

 

 

AAFP

 

 

 

 

 

Place six screws into the holes indicated by circles to secure the motherboard to the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard.

1.2.2Layout contents

Connectors/Jumpers/Slots

Page

Connectors/Jumpers/Slots

Page

1.

ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)

1-13

9.

USB connectors (10-1 pin USB56, USB 78)

1-11

2.

LGA775 socket

1-3

10.

USB device wake-up (3-pin USBPW 5-8)

1-7

3.

DDR2 DIMM slots

1-3

11.

System panel connector (10-1 pin

1-14

 

 

 

F_PANEL)

 

4.

CPU, CHA fan connectors (4-pin CPU_FAN, 3-pin

1-12

12.

Optical drive audio connector (4-pin CD)

1-14

CHA_FAN)

 

 

 

 

5.

Serial ATA connectors (7-pin SATA1, SATA2)

1-10

13.

Front panel audio connector (10-1 pin

1-12

 

 

 

AAFP)

 

6.

IDE connector (40-1 pin PRI_IDE)

1-11

14.

Keyboard/mouse power (3-pin

1-9

 

 

 

PS2_USBPW1-4)

 

7.

Clear RTC RAM (3-pin CLRTC)

1-8

 

 

 

8.

Internal speaker connector (4-pin SPEAKER)

1-13

 

 

 

Chapter 1: Product introduction

1-2