ISA Interrupt

Description

 

 

IRQ6

Diskette controller

 

 

IRQ8

Real-time clock/HPET#1 in legacy

 

replacement mode

 

 

IRQ9

Generic, Option for SCI

 

 

IRQ10

Generic, Option for SCI

 

 

IRQ11

HPET #2, option for SCSI, TCO

 

 

IRQ12

Mouse controller

 

 

IRQ13

System interrupt/FERR

 

 

IRQ14

Primary ATA, legacy mode

 

 

IRQ15

Secondary ATA, legacy mode

 

 

PIRQA

USB 2.0 controller 1 and 4

 

 

PIRQB

Video

 

 

PIRQC

USB 2.0 controller 3, Native IDE, SATA

 

 

PIRQD

USB 2.0 controller 2

 

 

PIRQE

Option for SCI, TCO, HPET #0,1,2

 

 

PIRQF

Option for SCI, TCO, HPET #0,1,2

 

 

PIRQG

Option for SCI, TCO, HPET #0,1,2

 

 

PIRQH

USB 2.0 EHCI controller 1, Option for

 

SCI, TCO, HPET #0,1,2

 

 

Ser IRQ

SIO3

 

 

PCI interrupt routing
PCI interrupt routing in PIC mode

Device

Interrupt AInterrupt BInterrupt CInterrupt D

 

 

 

 

 

Video

ICH5R_PIRQB

 

 

 

 

 

 

 

 

IDE RAID

ICH5R_PIRQC

 

 

 

 

 

 

 

 

SIO

ICH5R_SIRIRQ

 

 

 

 

 

 

 

 

Legacy IDE

ICH5R_IRQ14

 

 

 

 

 

 

 

 

146

www.gateway.com