1.5.3Motherboard layout

1.5.4Layout contents

Connectors/Jumpers/Slots/LED

Page

Connectors/Jumpers/Slots/LED

Page

1.

CPU, power, and chassis fan connectors

1-28

9.

Chassis intrusion connector

1-21

 

(4-pin CPU_FAN, 3-pin PWR_FAN, and 3-pin CHA_FAN)

 

 

(4-1 pin CHASSIS)

 

2.

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

1-22

10.

Clear RTC RAM (3-pin CLRTC)

1-18

3.

CPU Socket AM2+

1-8

11.

Onboard LED (SB_PWR)

1-5

4.

DDR2 DIMM slots

1-11

12.

SATA connectors (7-pin SATA1, SATA2,

1-24

 

 

 

 

SATA3, SATA5, SATA6)

 

5.

LPT connector (26-1 pin LPT)

1-23

13.

USB connectors (10-1 pin USB78, USB910,

1-26

 

 

 

 

USB1112)

 

6.

Serial port connector (10-1 pin COM1)

1-24

14.

Digital audio connector (4-1 pin SPDIF_OUT)

1-27

7.

IDE connector (40-1 pin PRI_IDE)

1-23

15.

Front panel audio connector (10-1 pin AAFP)

1-27

8.

System panel connector (20-8 pin PANEL)

1-25

16.

Optical drive audio connector (4-pin CD)

1-26

ASUS M4A78-EM

1-7