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A comment on Sysadmin left finger on power button for an hour to avert SAP outage. Parent comment

Re:Sysadmin left finger on power button for an hour to avert... by yuhong on Tuesday March 06, 2018 @01:29PM (#16530822)
Without ACPI (which NT4 was) the ATX power button was handled entirely by the BIOS (I think in SMI code). With ACPI the power button (when you don't hold it for 5 seconds of course) was handled by the OS.
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