Short
for Interrupt ReQuest, IRQ is a signal that has a direct line to
the computer processor allowing it to stop the processor momentarily
and decide what to do next. Every IBM compatible computer has a maximum of 15 IRQs
and are prioritized in the computer according to the importance of the device.
- See document CH000715
for additional information about determining what IRQs are being
used.
- Additional information about PC compatible system
resources can be found here.
Also see: Interrupts,
IRQL
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