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5 HP BIOS
BIOS Addresses
I/O APIC
Input
IRQ Interrupt Request Description
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)