1.5.1 Motherboard layout Asus prime Asus M3A78-EM

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1-10

Chapter 1: Product introduction

1.5.1.

Motherboard.layout

1.5 

Motherboard overview

24.4cm (9.6i

n

24.4cm (9.6in)

)

Super I/O

SATA6

SATA5

SATA3

SATA2

SATA1

Socket AM2+

CPU_FAN

EA

TXPW

R

PRI_ID

E

COM1

PANEL

USB1112

USB78

USB910

AAFP

SB_PWR

8Mb

 BIOS

AMD 780G

SB700

DDR2 DIMM_A1 (64 bit,240-pin module)

DDR2 DIMM_B1 (64 bit,240-pin module)

DDR2 DIMM_A2 (64 bit,240-pin module)

DDR2 DIMM_B2 (64 bit,240-pin module)

CR2032 3V

Lithium Cell

CMOS Power

PCI2

PCI1

PCIEX16

PCIEX1_1

ALC1200

RTL

8111C

CLRTC

ATX12V

R

SPDIF_OUT

M3A78-EM

LPT

KB_USB56

VG

A_

DV

I

DP-

HDMI-

SPDIFO

F_

ESATA_

USB34

LAN1_USB12

AUDIO

FLOPPY

CD

CHASSIS

CHA_F

AN

PWR_FAN

ICS

9LPRS485

IE1394_1

JMB

381