5HP BIOS BIOS Addresses

I/O APICIRQInterrupt Request Description
Input

 

 

 

 

 

INTIN0

ICH

 

 

 

 

INTIN1

IRQ1

Super I/O Keyboard Controller

 

 

 

INTIN2

IRQ0

ICH System Timer

 

 

 

INTIN3

IRQ3

Super I/O - Used by serial port if enabled

 

 

 

INTIN4

IRQ4

Super I/O - Used by serial port if enabled

 

 

 

INTIN5

IRQ5

Free if not used for parallel port or audio

 

 

 

INTIN6

IRQ6

Super I/O - Floppy Disk Controller

 

 

 

INTIN7

IRQ7

Super I/O - LPT1

 

 

 

INTIN8

IRQ8

ICH - RTC

 

 

 

INTIN9

IRQ9

Available for PCI devices

 

 

 

INTIN10

IRQ10

Available for PCI devices

 

 

 

INTIN11

IRQ11

Available for PCI devices

 

 

 

INTIN12

IRQ12

Super I/O - Mouse

 

 

 

INTIN13

IRQ13

Co-processor

 

 

 

INTIN14

IRQ14

ICH - Integrated IDE Controller (primary)

 

 

 

INTIN15

IRQ15

ICH - Integrated IDE Controller (secondary).

 

 

 

INTIN16

PCINTA

 

 

 

 

INTIN17

PCINTB

 

 

 

 

INTIN18

PCINTC

 

 

 

 

INTIN19

PCINTD

 

 

 

 

INTIN20

TFPC IRQ

 

 

 

 

INTIN21

SCI IRQ

 

 

 

 

INTIN22

not connected

 

 

 

 

INTIN23

ICH SMI

 

 

(not used)

 

 

 

 

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