AMD 790GX, SB750 user manual CD Audio-In Headers 4-pin CDIN1, 10IR infrared module Headers 5-pin IR

PWRLED

Pin 1

SPEAK

Pin 1

VCC5

GND

NC

SPKR

JW FP

Pin 1

PWR LED			PWRBTN
VCC5	PWRLED	PWRBTN	GND
VCC5	HDDLE	GND	RSTSW NC

HDLED

System Case Connections

RESET

(8) FAN Power Headers: SYSFAN1, SYSFAN2, CHAFAN (3-pin), CPUFAN (4-pin)

These connectors support cooling fans of 350mA (4.2 Watts) or less, depending on the fan manufacturer, the wire and plug may be different. The red wire should be positive, while the black should be ground. Connect the fan’s plug to the board taking into consideration the polarity of connector.

GND +12V CPUFAN IN CPUFAN OUT

CPUFAN

1 4

SYSFAN2

3 1

CHAFAN SYSFAN1

3

3 1 1

FAN Power Headers

(9) CD Audio-In Headers (4-pin): CDIN1

CDIN are the connectors for CD-Audio Input signal. Please connect it to CD-ROM CD-Audio output connector.

CDIN1

41

CD Audio-In Headers

(10)IR infrared module Headers (5-pin): IR

This connector supports the optional wireless transmitting and receiving infrared module. You must configure the setting through the BIOS setup to use the IR function.

17