QL 4001
Appendix C - Interrupt Channels

Table of Contents

Interrupt Channels

Interrupt Channels

NMI                     Parity/VGA
 0                              Timer
 1                              Keyboard
 2                              Cascaded Input for PIC 2
 3                              COM 2
 4                              COM 1
 5                              Not Used
 6                              Not Used
 7                              LPT 1
 8                              Real Time Clock
 9                              VGA
10                              Interrupt from Fileserver
11                              Not Used
12                              PS/2 Mouse Interrupt
13                              Numeric Co-Processor
Interrupt
14                              IDE Hard Disk Drive
15                              Not Used

No DMA channels are used by the QL 4001.

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