Tyan Computer Tank GT25 B5381 - Manual (Page 61)

Chapter 3: Replacing Pre-Installed Components 53
J3 Chassis Instruction Pin Header
FAN Signal Related Connector Pin Definitions
NOTE: The FAN signal naming is based on HW circuit design only. It might
be different from the system fan naming.
J4 Fan Connector
J5 Fan Connector
1 INTRU#
2 GND
1 PWM1
2 VCC12
3 FAN1_TACH
4 GND
5 GND
6 FAN2_TACH
7 VCC12
8 PWM2
1 PWM1
2 VCC12
3 FAN3_TACH
4 GND
5 GND
6 FAN4_TACH
7 VCC12
8 PWM2