Appendix A System Settings and Pin Assignments
A.1 System I/O Address & Interrupt Assignments
Table A.1: UNO-1170 System I/O Ports
Address Range Device
DMA controller (slave) | |
|
|
Interrupt controller 1, (master) | |
|
|
8254 timer/counter | |
|
|
8042 (keyboard controller) | |
|
|
|
|
DMA page register, | |
|
|
Interrupt controller 2 (slave) | |
|
|
DMA controller (master) | |
|
|
0F0 | Clear math |
|
|
0F1 | Reset math |
|
|
Math | |
|
|
1D0 | Vector address; for COM port share IRQ |
|
|
1E0 | Battery backup resource |
|
|
11E | Battery backup resource |
|
|
1st fixed disk | |
|
|
Game I/O | |
|
|
Reserved | |
|
|
Serial port 2 | |
|
|
SDLC, bisynchronous 2 | |
|
|
Bisynchronous 1 | |
|
|
Monochrome display | |
|
|
Reserved | |
|
|
Color/graphics monitor adapter | |
|
|
Diskette controller | |
|
|
Serial port 3 | |
|
|
Serial port 1 | |
|
|
Battery backup resource | |
|
|
32 |
