Gigabyte H610I DDR4 User Manual page 24

13) COMA/COMB (Serial Port Headers)
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.
14) SPEAKER (Speaker Header)
The system reports system startup status by issuing a beep code. One single short beep will be heard if no
problem is detected at system startup. This header can also provide audio output in the operating system.
Pin No. Definition
10 9
1
2
3
2 1
4
5
6
7
8
9
10
Pin No. Definition
1
1
2
- 24 -
NDCD-
NSIN
NSOUT
NDTR-
GND
NDSR-
NRTS-
NCTS-
NRI-
No Pin
SPK+
SPK-