Ampro Corporation LITTLE BOARD P5X - Manual (Page 31)

Little Board/P5x Technical Manual
2–13
Table 2– 8. Interrupt Channel Assignments
Interrupt Function
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
ROM BIOS clock tick function, from Timer 0
Keyboard interrupt
Cascade input for IRQ8-15
Serial 2, Serial 4 (shared)
Serial 1, Serial 3 (shared)
PCI
Floppy controller
Parallel port (option)
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
Reserved for battery-backed clock alarm
PCI
PCI
PCI
PS/2 Mouse
Reserved for coprocessor
Primary IDE hard disk controller
Secondary IDE hard disk controller
Note: IRQs for the Ethernet, Video, and SCSI interfaces are
automatically assigned by the BIOS plug and play logic.
PCI Interrupts assigned during initialization cannot be used by non-
PCI devices.