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Interrupt table
System clock
Keyboard
not available
Serial port COM 2
Serial interface COM1
free
Floppy disk drive controller
Parallel interface LPT1
Real-time clock (RTC)
free
free
free
Mouse controller
Numeric processor
IDE controller/free
free
"assigned IRQ" = interrupts assigned as shipped
Note that an interrupt cannot be used by two ISA boards or onboard
i
controllers at the same time.
The screen controller of the system board does not require interrupt
IRQ9. If you are using a different screen controller, it may need interrupt
IRQ9.
A26361-D992-Z121-2-7419
assigned IRQ
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
IRQ8
IRQ9
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
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