Disabling ACPI Support in BIOS Results in Error Message
This article was previously published under Q197055
This article has been archived. It is offered "as is" and will no longer be updated.
If the Advanced Configuration and Power Interface (ACPI) option isenabled in your computer's BIOS when you initially install Windows 2000and you later disable the ACPI option in your computer's BIOS, youreceive the following error message on a blue screen when you startWindows 2000:
0x00000079 (0x00000004, 0x0000AC31, 0x00000000, 0x00000000)
This behavior occurs because Windows 2000 uses a separate HardwareAbstraction Layer (HAL) for ACPI support.
If you want to disable ACPI support after Windows 2000 is installed, youmust reinstall Windows 2000 with APCI disabled in the computer's BIOS.Because numerous changes are made to the registry and system files, anupgrade installation does not work.
This behavior is by design.
Article ID: 197055 - Last Review: 12/05/2015 09:55:49 - Revision: 3.2
Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional Edition, Microsoft Windows 2000 Server
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