Interrupt Controller (Irq) Map - AXIOMTEK IMB203 Series User Manual

IMB203 LGA775 ATX Motherboard User's Manual
Address
3C0-3CF
3D0-3DF
3F6
3F8-3FF
2F8-2FF
4.5

Interrupt Controller (IRQ) Map

The IMB203 Series is a 100% PC compatible control board. It consists
of 16 interrupt request lines, and four out of them can be
programmable. The mapping list of the 16 interrupt request lines is
shown as the following table.
IRQ
System Timer Output
IRQ0
Keyboard
IRQ1
Interrupt rerouting from IRQ8 through IRQ15
IRQ2
Serial port #2
IRQ3
Serial port #1
IRQ4
PCI Device Share
IRQ5
Parallel port
IRQ7
Real time clock
IRQ8
ACPI Controller
IRQ9
PCI Device Share
IRQ10
PCI Device Share
IRQ11
PS/2 Mouse
IRQ12
Math coprocessor
IRQ13
SATA Primary (Legacy Mode)
IRQ14
SATA Secondary (Legacy Mode)
IRQ15
Hardware Description
Devices
EGA card
CGA card
Forward to SATA(SATA Controller)
Serial port #1 (COM1)
Serial port #2 (COM2)
Parity check error
31