Installing the Motherboard
13
8. Install Internal Headers and Connectors
CPU_FAN1: CPU cooling FAN power connector
SYS_FAN1: System cooling FAN power connector
3
SYS_SENSE Sensor
2
+12V
Power +12V
1
GND
System Ground
Pin Signal Name Function
2
+12V
Power +12V
4
GPO
CPU FAN control
3
FAN_SENSE
Sensor
1
GND
System Ground
Function
Pin Signal Name
SPK1: Internal speaker
4
SPKR
3
GND
2
KEY
1
VCC5
Pin Signal Name
Refer to the following motherboard image for the location of the CPU/system cooling FAN
power connector and the internal speaker header.
1
1
1
