Gigabyte Z690M DS3H DDR4 User Manual page 25

14) COM (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) LPT (Parallel Port Header)
The LPT header can provide one parallel port via an optional LPT port cable. For purchasing the optional
LPT port cable, please contact the local dealer.
DEBUG
PORT
25
26
9 1
10 2
Pin No. Definition
1
2
3
4
5
6
7
8
9
10
11
1 12
13
2
- 25 -
Pin No. Definition
1 NDCD-
2 NSIN
3 NSOUT
4 NDTR-
5 GND
6 NDSR-
7 NRTS-
8 NCTS-
9 NRI-
10 No Pin
Pin No. Definition
14
STB- GND
15
AFD- PD6
16
PD0 GND
17
ERR- PD7
18
PD1 GND
19
INIT- ACK-
20
PD2 GND
21
SLIN- BUSY
22
PD3 GND
23
GND PE
24
PD4 No Pin
25
GND SLCT
26
PD5 GND