Gigabyte GA-Z77-HD4 User Manual page 28

13) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
14) COMA (Serial Port Header)
The COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
Hardware Installation
19
TPM
w/housing
20
Pin No. Definition
1 LCLK
2 GND
3 LFRAME
4 No Pin
5 LRESET
6 NC
7 LAD3
8 LAD2
9 VCC3
10 LAD1
Voltage measurement points(G1.Sniper 3)
9 1
10 2
- 28 -
DB_PORT
1
Voltage measurement module(X58A-OC)
2
Pin No. Definition
11 LAD0
PCIe power connector (SATA)(X58A-OC)
12 GND
13 NC
14 ID
15 SB3V
16 SERIRQ
17 GND
18 NC
19 NC
20 SUSCLK
BIOS Switcher (SW4)
Pin No. Definition
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin