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Home » Forums » Forum Archives » Other Computer Problems » Topic # 35

IRQ Assignments
lbyard Jul-26-00 03:56 PM
I had to hunt for this info in a Forum posting entered some time ago (I'm too lazy to type it again) and decided to repost it with a more descriptive Subject line. Larry

0 System Timer
1 Keyboard
2 2nd IRQ controller
3 COM2:
4 COM1:
5 Free (used by LPT2: or sound card)
6 Floppy disk
7 LPT1:
8 Clock
9 Free (may appear as IRQ 2)
10 (often used by sound cards)
11 Free
12 PS/2 mouse
13 Math coprocessor on CPU (used)
14 Primary IDE
15 Secondary IDE


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