Intel BLKD945PSNLK Product Specification - Page 51

Chassis Fan Connectors

Page 51 highlights

Technical Reference Table 22. Processor Fan Connector Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH 4 FAN_CONTROL 2.8.2.1 Chassis Fan Connectors The board has two standard and one optional chassis fan connectors: • Front chassis fan • Rear chassis fan • Auxiliary fan connector (optional) Table 23 lists the signal names for the front and rear chassis fan connectors. Table 25 lists the signal names for the auxiliary fan connector. Table 23. Front and Rear Chassis Fan Connectors Pin Signal Name 1 FAN_CONTROL 2 +12 V 3 FAN_TACH Table 24. Auxiliary Fan Connector (optional) Pin Signal Name 1 Ground 2 +12 V 3 FAN_TACH (Note) 4 FAN_CONTROL Note: The tachometer output is not monitored by the hardware monitoring and fan control ASIC. 51

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Technical Reference
51
Table 22.
Processor Fan Connector
Pin
Signal Name
1
Ground
2
+12 V
3
FAN_TACH
4
FAN_CONTROL
2.8.2.1
Chassis Fan Connectors
The board has two standard and one optional chassis fan connectors:
Front chassis fan
Rear chassis fan
Auxiliary fan connector (optional)
Table 23 lists the signal names for the front and rear chassis fan connectors.
Table 25 lists the
signal names for the auxiliary fan connector.
Table 23.
Front and Rear Chassis Fan Connectors
Pin
Signal Name
1
FAN_CONTROL
2
+12 V
3
FAN_TACH
Table 24.
Auxiliary Fan Connector (optional)
Pin
Signal Name
1
Ground
2
+12 V
3
FAN_TACH
(Note)
4
FAN_CONTROL
Note:
The tachometer output is not monitored by the hardware monitoring and fan control ASIC.