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Hardware Configuration Features B-15
IRQ0 System timer
IRQ1 Keyboard controller
IRQ2 Interrupt controller (enables IRQ8 through IRQ15)
IRQ3
and
IRQ4
Serial ports (if enabled in System Setup program)
IRQ5 Available
IRQ6 Diskette drive interface
IRQ7 Parallel port (if enabled in System Setup program)
IRQ8 RTC
IRQ9 ACPI
IRQ10 Available
IRQ11 Available
IRQ12 Mouse controller
IRQ13 Math coprocessor
IRQ14 Primary EIDE interface (if enabled in System Setup
program)
IRQ15 Secondary EIDE interface (if enabled in System Setup
program)
NOTE: For the full name of an abbreviation or acronym used in the table, see the
Glossary.