Fan Headers; Table 48. Low-Profile Internal Usb Connector (J1E3); Table 49. Ssi 4-Pin Fan Connector (J2K2, J2K3, J3K1, J7K1, J8K4, J8K5); Table 50. 8-Pin Fan Connector (J2K1 & J8K3) (Molex Connector Corporation 53398-0890 Or 53398-0871 ) - Intel S5500WB12V Specification

Intel® Server Board S5500WB TPS
7.5

Fan Headers

The server board provides six SSI-compliant 4-pin fan headers and two 8-pin fan headers to be
used for CPU, and IO cooling. The pin configuration for each of the 4-pin fan headers is
identical and defined in the following tables.

Table 49. SSI 4-pin Fan Connector (J2K2, J2K3, J3K1, J7K1, J8K4, J8K5)

Pin Signal Name
1 GND
2 12V
3 TACH IN
4 PWM OUT
(MOLEX CONNECTOR CORPORATION 53398-0890 or 53398-0871 )
Revision 1.9

Table 48. Low-Profile Internal USB Connector (J1E3)

Pin Signal Name
1 +5V
3 USB_N
5 USB_P
7 GND
9 Key Pin
Ground
Power Supply 12V
FAN_TACH signal is connected to the BMC to monitor the fan speed
FAN_PWM signal to control fan speed
Table 50. 8-pin Fan Connector (J2K1 & J8K3)
Pin
1 GND
2 12V
3 Tach0
4 PWM0
5 GND
6 12V
7 Tach1
8 PWM1
Intel order number E53971-008
Connector/Header Locations and Pin-out
Pin Signal Name
2 NC
4 NC
6 NC
8 NC
10 LED#
Description
Signal Name
67