Mitsumi electronic Pedion Laptop - Manual (Page 84)

OWNER’S HANDBOOK
A p p e n d i x 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
4 IRQ1 Keyboard
IRQ2 Cascade connection from interrupt controller 2
5 IRQ8 Real time clock
6 IRQ9 CardBus controller, PCI-to-USB Universal Host Controller and NeoMagic
MagicGraph 128XD
7 IRQ10 Reserved
8 IRQ11 Reserved
9 IRQ12 Mouse
10 IRQ13 Co-processor
11 IRQ14 Hard disk controller
12 IRQ15 CD-ROM drive controller
13 IRQ3 Infrared port @ 2F8h (factory default)