Gigabyte GA-990FXA-UD5 R5 User Manual page 30

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.
15) TPM (Trusted Platform Module Header)
You may connect a TPM (Trusted Platform Module) to this header.
Hardware Installation
9 1
10 2
F_USB30
19
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
S _
- 30 -
Pin No. Definition
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
F_ U
9 NRI-
10 No Pin
B_
1
2
Pin No. Definition
11 LAD0
12 GND
13 NC
14 ID
15 SB3V
16 SERIRQ
17 GND
18 NC
19 NC
20 SUSCLK
B S S
S 3
B_
S
S
S F