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Appendix a system settings and pin assignments, A.1 system i/o address and interrupt assignment – B&B Electronics Celeron M Universal Network Controller with PC/104 Extension UNO-2170 User Manual

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Appendix A System Settings and Pin

Assignments

A.1 System I/O Address and Interrupt Assignment


Table A.1: UNO-2170 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

1D0 Vector address; for COM port share IRQ

1E0 Battery backup resource

11E Battery backup resource

1F0-1F8 1st fixed disk

200-207 Game I/O

278-27F Reserved

2E8-2EF Serial port 4

2F8-2FF Serial port 2

300-31F Ethernet**

360-36F LPT2

378-37F Parallel printer port 1 (LPT1)

380-38F SDLC, bisynchronous 2

3A0-3AF Bisynchronous 1

3B0-3BF Monochrome display

3C0-3CF Reserved

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