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Cooling Fan Connectors
2nd fan
3
1
Sense
Ground
Power
Fan 3
1
Ground
Power
These fan connectors are used to connect cooling fans. Cooling fans will provide
adequate airflow throughout the chassis to prevent overheating the CPU and sys-
tem board components.
SYS2 fan
3
3
Sense
Sense
Ground
Power
English
CPU fan
1
Ground
Speed
Control
Power
Sense
1st fan
1
3
SYS1 fan
3
Sense
Ground
Power
1
E
4
Ground
Power
Sense
1
21