©2002 Inova Computers GmbHPage 2-6 Doc. PD00581013.004
Configuration
ICP-PIII
Interrupt Request Interrupt Vector Function/Assignment
IRQ0 08h Timer
IRQ1 09h Keyboard
IRQ2 0Ah Slave 8259
IRQ3
1)
0Bh COM 2/4
IRQ4
1)
0Ch COM 1/3
IRQ5
1)
0Dh LPT2
IRQ6 0Eh Floppy
IRQ7
1)
0Fh LPT1
IRQ8 70h Real-Time Clock
IRQ9
1)
71h Redirected IRQ2
IRQ10 72h USB
IRQ11
1)
73h Ethernet/FireWire
IRQ12 74h Reserved
IRQ13 75h Co-processor
IRQ14
1)
76h Hard Disk (IDE 0)
IRQ15
1)
77h IDE 1
Table 2.30 PC-AT Interrupt Definitions
1) Entries may be reserved for ISA devices with the BIOS