Intel FS-979 - Manual (Page 28)

FS-979 User’s Manual Hardware Setup
Fan Connectors 28
2.13.2 <Fan Connectors>
Connector: CPUFAN
Type: 4-pin fan wafer connector
Pin Description Pin Description
1 Ground 2 +12V
3 Fan Speed Detection 4 Fan Control
Connector: NBFAN, SYSFAN
Type: 3-pin fan wafer connector
Pin Description Pin Description Pin Description
1 Ground 2 +12V 3 Fan Control
SYSFAN
1
3
NBFAN
1 3
CPUFAN
1 4