Intel SKA4 Computer Hardware User Manual


 
106 SKA4 Baseboard Product Guide
Table 61. Processor Fan Connector #2 (J3A1)
Pin Signal Type* Description
1 Ground power GROUND is the power supply ground
2 12V power Power Supply 12V
3 Fan Tach out FAN_TACH signal is connected to the BMC to monitor the FAN speed
* Type (in/out) is from the perspective of the baseboard.
Table 62. Processor Fan Connector #3 (J4A1)
Pin Signal Type* Description
1 Ground power GROUND is the power supply ground
2 12V power Power Supply 12V
3 Fan Tach out FAN_TACH signal is connected to the BMC to monitor the FAN speed
* Type (in/out) is from the perspective of the baseboard.
Table 63. Processor Fan Connector #4 (J4C1)
Pin Signal Type* Description
1 Ground power GROUND is the power supply ground
2 12V power Power Supply 12V
3 Fan Tach out FAN_TACH signal is connected to the BMC to monitor the FAN speed
* Type (in/out) is from the perspective of the baseboard.
Internal USB Header (J1B3)
Table 64. Internal USB Connector (J1B3)
Pin Signal Description
1 NC No Connect
2 U_P2_L USB Port 2 – signal
3 U_P2 USB Port 2 + signal
4 GROUND Ground
Internal Disk Drive LED Connection
Table 65. Internal USB Connector (J1B3)
Pin Signal Description
1 NC No Connect
2 Activity Signal 5V, High True Activity Signal
3 Activity Signal Same as Pin 2 (Shorted to pin 2)
4 NC No Connect