Cpu Fan Connector: Fan1; Seh-9450-Las; System Fan Connector: Fan2 - Contec Single Board Computer Half-size PICMG 1.3 with LAN, Audio, SATA SEH-9450-LAS User Manual

CPU FAN Connector: FAN1

FAN1 is a 4-pins box-header for the CPU cooling fan power connector. The fan must be a 12V fan.
Pin 3 is for Fan tachometer input. Pin is for PWM Fan output control. Pin 2 is for 12V voltage.
Table 3.5. CPU FAN Connector
PIN No.
FAN1
1
4 3 2 1
2
3
4

System FAN Connector: FAN2

FAN2 is a 3-pins box-header for the CPU cooling fan power connector. The fan must be a 12V fan.
Pin 3 is for Fan speed sensor input. Pin 2 is for PWM regulating voltage output.
Table 3.6. System FAN Connector
PIN No.
FAN2
1
1 2 3
2
3

SEH-9450-LAS

Function
GND
POWER
FAN Sense
Housing: 5102-04 (molex)
PWM FAN control
Function
GND
+12V Housing: 5102-03 (molex)
FAN sense
Contact: 5104 (molex)
Contact: 5103 (molex)
3. Hardware Installations
15