Sony PCV-RX270DS - Manual (Page 70)

VAIO Digital Studio Reference Manual 56
Fan Connectors
The CPU-FAN and PWR-FAN connectors are 1 x 3-pin straight header
connectors. CPU-FAN controls the cooling fan on the CPU. PWR-FAN
controls the cooling fan in the power supply.
i.LINK connector
Pin Signal Name
1 Ground VP (Power)
*
2 Ground
3 TPB*
4 TPB
5 TPA*
6 Ground TPA
* Uses over-current protector.
CPU-FAN and PWR-FAN connectors
Pin Signal Name
1 Ground
2 FAN_CTRL (+12V)
3 FAN_SEN
KY0034.VSD
CPU-FAN
3 1
PWR FAN
3
1