Sony PCV-R532DS - Manual (Page 72)

VAIO Digital Studio Reference Manual 64
Fan Connectors
The CPU-FAN, PWR-FAN, and CHA-FAN connectors are 1 x 3-pin
straight header connectors. PWR-FAN connects to the power supply and
controls the power supply cooling fan. CPU-FAN and CHA-FAN
connectors are not used.
CPU-FAN and PWR-FAN Connector
Pin Signal Name
1 Ground
2 FAN_CTRL (+12V)
3 FAN_SEN
CHA-FAN Connector
Pin Signal Name
1 Ground
2 FAN_CTRL (+12V)
3 FAN_SEN
KY0034.VSD
CPU-FAN
3 1
PWR-FAN
3
1
CHA-FAN
3
1