Chapter 2 Installation
33
Serial port RS-232/422/485 selection
The serial port connectors are mounted on the right hand edge of
the card. The 40-pin, dual-in-line, male header to the right of the
card is for the RS-232 and RS-232/422/485 ports.
IRQ Selection (J19)
*COM3:IRQ5 and COM4:IRQ10
COM3:IRQ10 and COM4:IRQ5
COM2 Selection (J17, J18)
*RS-232
RS-422
RS-485
J17
J18
*default
The IRQ and address range for those ports are fixed. However if
you wish to disable the port or change these parameters later you
can do this in the system BIOS setup. The table below shows the
settings for the mainboard's ports.
Serial port settings (Default)
Port
Address Range
Interrupt
Default
COM1
2E8~3F8
IRQ4
3F8
COM2
2E8~3F8
IRQ3
2F8
COM3
2E8~3F8
IRQ5/IRQ10
3E8
COM4
2E8~3F8
IRQ10/IRQ5
3E8
3
2
1
3
2
1
3
2
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
6
4
2
5
3
1
Содержание PCM-5894
Страница 1: ...PCM 5894 PCM 5894C All in One Single Board Pentium Computer with SVGA Ethernet and 4 serial ports...
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Страница 47: ...C H A P T E R 3 AMIBIOS Setup This chapter describes how to set BIOS configuration data...
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