Processor (4-Pin) Fan Header; Front And Rear Chassis Fan Headers; Intel Remote Pc Assist Technology Header; Back Panel Cir Emitter (Output) Header - Intel BLKDH57DD Technical Product Specification

Table 21. Processor (4-Pin) Fan Header
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Table 22. Front and Rear Chassis Fan Headers
Pin 4-Wire Support
1 Ground
2 Fan power
3 Fan tach
4 Fan control
Table 23. Intel Remote PC Assist Technology Header
Pin Signal Name
1 RPAT#
2 Ground
Table 24. Back Panel CIR Emitter (Output) Header
Pin Signal Name
1 Emitter out 1
2 Emitter out 2
3 Ground
4 Key (no pin)
5 Jack detect 1
6 Jack detect 2
Table 25. Front Panel CIR Receiver (Input) Header
Pin Signal Name
1 Ground
2 LED
3 NC
4 Learn in
5 5 V standby
6 VCC
7 Key (no pin)
8 CIR input
Pin 3-Wire Support
3 Ground
2 Fan power
1 Fan tach
N/A N/A
Technical Reference
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