Fan (Cpu Fan, Ctrl Pwr) Connectors - Sony PCV-L400 - Vaio Slimtop Computer Reference Manual

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VAIO Computer Reference Manual

Fan (CPU FAN, CTRL PWR) Connectors

The CPU Fan connector is a 1 x 3-pin straight header connector that
controls the CPU cooling fan.
The CTRL PWR connector is a 2 x 3-pin connector that controls the power
supply cooling fan. It connects to P3 from the power supply.
CPU Fan connector
Pin Signal Name
1 GND
2 FAN_CTRL (+12V)
3 FAN_SEN
CTRL PWR connector
Pin Signal Name
1 Fan M
*
2 Fan C
3 3.3V sense
4 NC (key)
5 Reserved
6 Reserved
* Power supply provides 12V to this pin when system is in Power On mode (for fastest fan speed), and 6V
when system is in Suspend mode (to reduce fan noise).
CPU Fan
1
3
CTRL PWR
1
4
3
6
KY0034.VSD