Tyan Computer B5381 manual FAN Signal Related Connector Pin Definitions

J3 Chassis Instruction Pin Header

1

2

INTRU#

GND

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

1PWM1

2VCC12

3FAN1_TACH

4GND

5GND

6FAN2_TACH

7VCC12

8PWM2

J5 Fan Connector

1PWM1

2VCC12

3FAN3_TACH

4GND

5GND

6FAN4_TACH

7VCC12

8PWM2

Chapter 3: Replacing Pre-Installed Components 53