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15 Cards in this Set

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  • Back
IRQ 0
Reserved
System Timer
IRQ 1
Reserved
Keyboard
IRQ 2(9)
Reserved
Video card, connects to IRQ9
IRQ 3
Reserved
Any 8/16 bit card if the IRQ is not already used for either COM2 or COM4
IRQ 4
Reserved
Any 8/16 bit card if the IRQ is not already used for either COM1 or COM3
IRQ 5
Reserved
Any 8/16 bit card if the IRQ is not already used for parallel port 2 (LPT2)
IRQ 6
Reserved
Floppy Controllers
IRQ 7
Reserved
Any 8/16 bit card if the IRQ is not already used for parallel port 1 (LPT1)
IRQ 8
Reserved
Real-time clock
IRQ 9
NOT-Reserved
Redirected IRQ2
IRQ 10
NOT-Reserved
Any 16 bit card. If installed, a USB port will use this interrupt
IRQ 11
NOT-Reserved
Any 16 bit card, usually SCSI cards
IRQ 12
NOT-Reserved
Any 16 bit card or mouse port
IRQ 13
Reserved
Math coprocessor
IRQ 14

IRQ 15
Reserved
Primary IDE controller
Reserved
Secondary IDE controller