Fan Headers; Table 58. Ssi 4-Pin Fan Header Pin-Out (J6D1, J1J4, J6J2, J7J1, J6B1) - Intel S3420GPLC - Server Board Motherboard Specification

Connector/Header Locations and Pin-outs
7.7

Fan Headers

The server board provides five SSI-compliant 4-pin fan headers to be used as the CPU and
chassis. The pin configuration for each of the 4-pin fan headers is identical and defined in the
following table.
One 4-pin fan headers are designated as processor cooling fans:

CPU fan (J6D1)
-
SYS1 fan (J1J4)
-
SYS2 fan (J6J2)
-
SYS3 fan (J7J1)
-
SYS4 fan (J6B1)
-

Table 58. SSI 4-pin Fan Header Pin-out (J6D1, J1J4, J6J2, J7J1, J6B1)

Pin Signal Name
1 Ground
2 12 V
3 Fan Tach
4 Fan PWM
90
Type
GND Ground is the power supply ground
Power Power supply 12 V
In FAN_TACH signal is connected to the Integrated BMC to monitor the fan
speed
Out FAN_PWM signal to control fan speed
Intel order number E65697-010
Intel® Server Board S3420GP TPS
Description
Revision 2.4