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RTC: Difference between revisions
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→IRQ Danger: repair one more link
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===IRQ Danger===
Since the [[IRQ]] number is 8, it has a lower priority in the [[PIC]] than the IRQs with lower numbers. While those other interrupts are being
handled (until your OS sends an [[PIC#End_of_Interrupt|EOI]] and STI), your OS will not receive any clock ticks. Any IRQ handlers that depend on clock
ticks may fail for that reason, because an IRQ of higher number will not preempt an IRQ of lower number.
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