B&R MAPPC700A-ENG - Serial Interface COM1

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Technical data • Entire device
Panel PC 700 with 945GME N270 CPU board User's Manual V 1.16
2.4.1 Serial interface COM1
I/O address and IRQ
The setting for the I/O address and the IRQ can be changed in the BIOS setup (under
"Advanced" - submenu "I/O Device Configuration" setting "Serial port A"). Please note any
potential conflicts with other resources when changing this setting.
Serial interfaces - COM1
Type RS232, modem-capable, not
electrically isolated
9-pin DSUB, male
UART 16550 compatible, 16 byte
FIFO
Transfer rate Max. 115 kBaud
Pin Assignment
1 DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 28: Pin assignments - COM1
Resource Default setting Additional setting options
I/O address 3F8 2F8, 3E8, 2E8
IRQ IRQ4 IRQ3
Table 29: COM1 - I/O address and IRQ
COM1
1
5
6
9