Mainboard KI51PV-754
15
Serial Interface Header: COM1/COM2
This mainboard provides two COM headers for you to connect external serial connectors on the
back panel of your case. Attaching the serial connector cables (Optional) onto these two
headers, then you can use the serial connectors to attach with a mic, modem or other peripheral
devices.
Pin
Assignment
Pin
Assignment
1 RIN1
2 RIN3
3 DOUT2
4 DOUT3
5 Ground
6 RIN2
7 DOUT1
8 RIN4
COM1/2
9 -XRI1
10
N/A
Printer Interface Header: PRT
This mainboard provides a PRT header for you connecting an external printer connector on the
back panel of your case. Attaching the printer connector cable (Optional) onto this header, then
you can use this printer connector to attach with a printer.
Pin
Assignment
Pin
Assignment
1 RSTB-
2 RPDR0
3 RPDR1
4 RPDR2
5 RPDR3
6 RPDR4
7 RPDR5
8 RPDR6
9 RPDR7
10
ACK-
11
BUSY 12
PE
13
SLCT 14
RAFD-
15
ERR- 16
RINIT_P-
17
RSLIN- 18
Ground
19
Ground 20
Ground
21
Ground 22
Ground
23
Ground 24
Ground
PRT
25
Ground 26
Key