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15 Cards in this Set
- Front
- Back
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IRQ 0
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Reserved
System Timer |
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IRQ 1
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Reserved
Keyboard |
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IRQ 2(9)
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Reserved
Video card, connects to IRQ9 |
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IRQ 3
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Reserved
Any 8/16 bit card if the IRQ is not already used for either COM2 or COM4 |
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IRQ 4
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Reserved
Any 8/16 bit card if the IRQ is not already used for either COM1 or COM3 |
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IRQ 5
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Reserved
Any 8/16 bit card if the IRQ is not already used for parallel port 2 (LPT2) |
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IRQ 6
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Reserved
Floppy Controllers |
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IRQ 7
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Reserved
Any 8/16 bit card if the IRQ is not already used for parallel port 1 (LPT1) |
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IRQ 8
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Reserved
Real-time clock |
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IRQ 9
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NOT-Reserved
Redirected IRQ2 |
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IRQ 10
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NOT-Reserved
Any 16 bit card. If installed, a USB port will use this interrupt |
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IRQ 11
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NOT-Reserved
Any 16 bit card, usually SCSI cards |
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IRQ 12
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NOT-Reserved
Any 16 bit card or mouse port |
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IRQ 13
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Reserved
Math coprocessor |
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IRQ 14
IRQ 15 |
Reserved
Primary IDE controller Reserved Secondary IDE controller |
