Irq Mapping Table - Nortel CallPilot 703t Maintenance And Diagnostics

January 2007

IRQ mapping table

Table 26 lists the assignments for each Interrupt Request (IRQ). You do
not need this information for installation, but it may be useful for
troubleshooting.
Table 26: IRQ mapping
Interrupt I/O APIC level Slot or device
INTR
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
703t Server Maintenance and Diagnostics
INT0
INT2
INT1
Not
applicable
INT3
INT4
INT5
INT6
INT7
INT8
INT9
INT10
INT11
Processor interrupt
Timer (from PIIX4)
PS/2 keyboard controller
Internal/reserved
Note: IRQ2 is actually shared with IRQ9
as a cascade interrupt to support IRQs 8–
15.
Onboard serial port B (COM2)
Onboard serial port A (COM1)
Available
Floppy disk drive controller
Parallel port 1(LPT1)
Real Time Clock
Available
Available
Available
703t description reference
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