Table A.2: UNO-1170 Interrupt Assignment
Interrupt No. | Interrupt Source |
|
|
NMI | Parity error detected |
|
|
IRQ 0 | Interval timer |
|
|
IRQ 1 | Keyboard |
|
|
IRQ 2 | Interrupt from controller 2 (cascade) |
|
|
IRQ 3 | COM2 |
|
|
IRQ 4 | COM1 |
|
|
IRQ 5 | Available |
|
|
IRQ 6 | Diskette controller (FDC) |
|
|
IRQ 7 | Available |
|
|
IRQ 8 | |
|
|
IRQ 10 | COM3 (Independent IRQ)/COM3&COM4 Share IRQ |
|
|
IRQ 11 | Reserved for watchdog timer |
|
|
IRQ 12 | PS/2 mouse |
|
|
IRQ 13 | INT from |
|
|
IRQ 14 | Primary IDE |
|
|
IRQ 15 | Secondary IDE for CompactFlash |
|
|
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