Table of Contents
Advertisement
I / O a d d r e s s e s , i n t e r r u p t s e t c .
Interrupt
I/O APIC level
INTR
INT0
NMI
N/A
IRQ1
INT1
Cascade
INT2
IRQ3
INT3
IRQ4
INT4
IRQ5
INT5
IRQ6
INT6
IRQ7
INT7
IRQ8_L
INT8
IRQ9
INT9
IRQ10
INT10
IRQ11
INT11
IRQ12
INT12
INT13
IRQ14
INT14
IRQ15
INT15
SMI_L
6/4
FT5000 HANDBOOK
Description
Processor interrupt
NMI from PIC to processor
Keyboard interrupt
Interrupt signal from second 8259 in PIIX4E
Serial port A or B interrupt from SIO device (user can configure)
Serial port A or B interrupt from SIO device (user can configure)
Parallel port II
Diskette port
Parallel port
RTC interrupt
Signal control interrupt (SCI) used by ACPI-compliant OS
Mouse interrupt
Compatibility IDE interrupt from primary channel IDE devices 0 and 1
System management interrupt—general purpose indicator sourced by the
PIIX4E and BMC through the PID to the processors
Advertisement
Table of Contents
