Gigabyte B660M DS3H DDR4 User Manual - Page 26

COM Serial Port Header, LPT Parallel Port Header, Only for B660M DS3H DDR4.

Page 26 highlights

14) COM (Serial Port Header) k 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. 9 1 10 2 Pin No. 1 2 3 4 5 6 7 8 9 10 Definition NDCDNSIN NSOUT NDTRGND NDSRG- .QBOFM NRTSNCTSNRINo Pin 15) LPT (Parallel Port Header) k 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 1 26 2 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Definition STBAFDPD0 ERRPD1 INITPD2 SLINPD3 GND PD4 GND PD5 Pin No. 14 15 16 17 18 19 20 21 22 23 24 25 26 Definition GND PD6 GND PD7 GND ACKGND BUSY GND PE No Pin SLCT GND NN Only for B660M DS3H DDR4. - 26 -

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14) COM (Serial Port Header)
k
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.
10
9
2
1
15) LPT (Parallel Port Header)
k
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.
Pin No.
Definition
Pin No.
Definition
1
STB-
14
GND
2
AFD-
15
PD6
3
PD0
16
GND
4
ERR-
17
PD7
5
PD1
18
GND
6
INIT-
19
ACK-
7
PD2
20
GND
8
SLIN-
21
BUSY
9
PD3
22
GND
10
GND
23
PE
11
PD4
24
No Pin
12
GND
25
SLCT
13
PD5
26
GND
1
2
26
25
k
Only for B660M DS3H DDR4.
Pin No.
Definition
1
NDCD-
2
NSIN
3
NSOUT
4
NDTR-
5
GND
6
NDSR-
7
NRTS-
8
NCTS-
9
NRI-
10
No Pin