Interrupt Levels Used by Heath/Zenith 150/151 Computers PSS ID Number: Q34433 Article last modified on 09-23-1991 PSS database name: PSS
MS-DOS | CP/M-80
Summary:
Some of the interrupt levels used by the Heath/Zenith 150/151 differ from the IBM standards, and can therefore cause some hardware conflicts. The following is a list of interrupts:
Level Device
0 Timer
1 Event Counter
2 ** Open
3 COM2:
4 ** Open
5 Hard-Disk Controller
6 COM1: and Floppy-Drive Controller
7 LPT1:, LPT2:, and LPT3:
Copyright Microsoft Corporation 1991.