Processor, Front, And Rear Chassis (4-Pin) Fan Headers; Front Panel Cir Receiver (Input) Header; Chassis Intrusion Header; Tpm Header - Intel DH87RL Specification

Intel Desktop Board DH87RL Technical Product Specification
Table 21. Processor, Front, and Rear Chassis
(4-Pin) Fan Headers
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Note: These fan headers use Pulse Width Modulation control for fan speed.
Table 22. 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
Table 23. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground
Table 24. TPM Header
Pin Signal Name
1 PCICLK
3 FRAME
5 PCIRST
7 LAD3
9 VCC3
11 LAD0
13 N/C
15 3VSB
17 GND
19 PWRDWN
46
(Note)
Pin
2
4
6
8
10
12
14
16
18
20
Signal Name
GND
Key (no pin)
N/C
LAD2
LAD1
GND
N/C
SERIRQ
CLKRUN
N/C