Advantech UNO 2173A/AF user manual Appendix a System Settings and Pin Assignments

Appendix A System Settings and Pin

Assignments

A.1 System I/O Address and Interrupt Assignment

Table A.1: UNO-2173A/AF System I/O Ports

Address Range	Device
000-01F	DMA controller (slave)
020-03F	Interrupt controller 1, (master)
040-05F	8254 timer/counter
060-06F	8042 (keyboard controller)
070-07F	Real-time clock, non-maskable interrupt (NMI)mask
080-09F	DMA page register,
0A0-0BF	Interrupt controller 2 (slave)
0C0-0DF	DMA controller (master)
0F0	Clear math co-processor
0F1	Reset math co-processor
0F8-0FF	Math co-processor
170-177	Secondary IDE channel
1F0-1F7	Primary IDE channel
2F8-2FF	Serial port 2
378-37F	Parallel printer port 1 (reserved)
3E8-3EF	Serial port 3 (UNO-2173AF)
3F8-3FF	Serial port 1

UNO-2173A/AF User Manual 24