User manual

25 Appendix A
2E8-2EF Serial port 4
2F8-2FF Serial port 2
380-38F SDLC, bisynchronous 2
3A0-3AF Bisynchronous 1
3B0-3BF Monochrome display
3C0-3CF Reserved
3D0-3DF Color/graphics monitor adapter
3F0-3F7 Diskette controller
3E8-3EF Serial port 3
3F8-3FF Serial port 1
DC000-DFFFF Battery backup resource
Table A.2: UNO-2172 Interrupt Assignment
Interrupt No. Interrupt Source
NMI Parity error detected
IRQ 0 Interval timer
IRQ 1 Keyboard
IRQ 2 Interrupt from controller 2 (cascade)
IRQ 3 COM2
IRQ 4 COM1
IRQ 5 COM4 (Independent IRQ)
IRQ 6 Diskette controller (FDC)
IRQ 7 PCMCIA
IRQ 8 Real-time clock
IRQ 10 COM3 (Independent IRQ)/COM3&COM4 Share IRQ
IRQ 11 Reserved for watchdog timer
IRQ 12 PS/2 mouse
IRQ 13 INT from co-processor
IRQ 14 Primary IDE
IRQ 15 Secondary IDE for CompactFlash
Note: USB and Ethernet IRQ is set automatically by system
Table A.1: UNO-2172 System I/O Ports
Address Range Device