Chassis Intrusion Header; Lpc Debug Header; Tpm Header; Processor, Front, And Rear Chassis (4-Pin) Fan Headers - Intel DQ77CP Specification

Table 19. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground
Table 20. Processor, Front, and Rear Chassis
(4-Pin) Fan Headers
Pin Signal Name
(Note)
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Note: These fan headers use Pulse Width Modulation control for fan speed.
Table 21. LPC Debug Header
Pin Signal Name
1 CK_33M_DEBUG
3 PLTRST#
5 LAD0
7 LAD2
9 GND
11 +3.3 V
13 Key (no pin)
Table 22. 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
Pin Signal Name
2 GND
4 LFRAME#
6 LAD1
8 LAD3
10 GND
12 +3.3 V
14 +3.3 V
Pin Signal Name
2 GND
4 Key (no pin)
6 N/C
8 LAD2
10 LAD1
12 GND
14 N/C
16 SERIRQ
18 CLKRUN
20 N/C
Technical Reference
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