UNO-4678 User Manual
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A.2 UNO-4678 System I/O & Interrupt Assignments
Table A.3: UNO-4678 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-mask interrupt (NMI)
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
1F0-1F8 1st fixed disk
278-27F Reserved
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