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IRQ
IRQ DEFAULT LIST
| Question | Answer |
|---|---|
| IRQ 0 | SYSTEM TIMER |
| IRQ 1 | KEYBOARD |
| IRQ 2 | CASCADED WITH IRQ 9 |
| IRQ 3 | COM2 AND COM4 |
| IRQ 4 | COM1 AND COM3 |
| IRQ 5 | LPT2 |
| IRQ 6 | FLOPPY DRIVE CONTROLLER |
| IRQ7 | LPT1 |
| IRQ8 | REAL TIME CLOCK |
| IRQ 9 | SEE 2 |
| IRQ 10 | OPEN |
| IRQ 11 | OPEN |
| IRQ 12 | PS/2 MOUSE OR OPEN |
| IRQ 13 | MATH COPROCESSOR |
| IRQ 14 | PRIMARY HARD DRIVE |
| IRQ 15 | SECONDARY HARD DRIVE |