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APPENDIX C
Page 28
Blue Chip Technology Ltd.
01271014.doc
APPENDIX C
PC/XT Interrupt Map
Number
Usage
NMI
Parity
0
Timer
1
Keyboard
2
Reserved
3
Asynchronous Communications
(Secondary)
SDLC Communications
4
Asynchronous Communications
(Primary)
SDLC Communications
5
Fixed Disk
6
Diskette
7
Parallel Printer