Chassis Fan Connectors; System Fan Specifications ( 1 / 2 / 3 / 4 ); Io4 And Ck8-04 Fan Specifications ( 5 / 6 ) - Fujitsu Siemens Computers D1818 Technical Manual

Board Parts, Jumpers and Connectors

2. Chassis Fan Connectors

System Fan Specifications ( 1 / 2 / 3 / 4 )

All System fan headers use the same pinout listed on the left.
FAN1: System fan. Controlled and monitored
Pin 1
FAN2: System fan .Controlled and monitored
FAN3: Rear fan. Controlled and monitored
Pin 4
FAN4: Front fan. Controlled and monitored
Pin
1
2
3
4

IO4 and CK8-04 Fan Specifications ( 5 / 6 )

These Fans headers use the same pinout, listed on the left
CK8-04 FAN: Cooling of NVidia nForce Pro 2200
IO4 FAN: Cooling of NVidia nForce Pro 2050
12
Signal
GND
12V
Fan_TACH
Fan_Ctrl
A26361-D1818-Z120-1-7619, edition 1