1.5.1 Motherboard layout Asus prime Asus M3A78

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1-8

Chapter 1: Product introduction

1.5.1 

Motherboard layout

1.5 

Motherboard overview

Super I/O

SATA4 SATA5 SATA6

SATA1 SATA2 SATA3

SocketAM2+

CPU_FAN

EA

TXPW

R

PANEL

USB78

USB910

USB1112

AAFP

SB_PWR

8Mb

 BIOS

AMD 770

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

PCI3

PCI1

PCIEX16

PCIEX1_2

PCIEX1_1

CLRTC

ATX12V

R

SPDIF_OUT

M3A78

FLOPPY

CD

30.5cm (12in

)

VIA

VT1708B

PRI_IDE

24.4cm(9.6in)

KB_USB56

PWR_FAN

CHA_FAN

RTL

8111C

RTM

880T-792

AUDIO

LAN1_USB12

USB34

SPDOF_O