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OWNER’S HANDBOOK
Appendix A/3
IRQ table
You can change the interrupt used by the serial, parallel and infrared ports with the BIOS Setup utility.
Priority IRQ Cause of interrupt
1 SMI Power management unit
2 NMI Parity error, I/O channel error
3 IRQ0 Timer, Counter 0 output
4IRQ1Keyboard
IRQ2 Cascade connection from interrupt controller 2
5IRQ8Real time clock
6 IRQ9 CardBus controller, PCI-to-USB Universal Host Controller and NeoMagic
MagicGraph 128XD
7IRQ10
Reserved
8IRQ11
Reserved
9IRQ12Mouse
10 IRQ13 Co-processor
11 IRQ14 Hard disk controller
12 IRQ15 CD-ROM drive controller
13 IRQ3 Infrared port @ 2F8h (factory default)