RE: ACPI Illegal Error
From: Troy (Troy_at_discussions.microsoft.com)
Date: 12/15/04
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Date: Tue, 14 Dec 2004 17:17:03 -0800
This is interesting. I just found a beta BIOS on asus.com for this old
board; so I will see if that clears up the error.
Thank you again for your help and shedding some light on this subject as it
was a new one for me.
"Wesley Kendall [MSFT]" wrote:
> >I understand. When that error is generated, do you know exactly "what" the
> >ACPI is trying to write or read and this seems to be an error in Server
> 2003?
>
> Unfortunately, no, I don't know what the BIOS is writing or reading -- we
> need whoever wrote the code to tell us that. This error is logged when the
> BIOS tries to write data to a port using ACPI Machine Language, which
> causes Windows Server 2003 to prevent access to that port.
>
> See the following KB for more info:
>
> 317513 Error Message: ACPI BIOS Is Attempting to Write to an Illegal IO Port
> http://support.microsoft.com/?id=317513
>
> This is by design as we are now preventing access to ports that some BIOSes
> try to write to in the AML. This has been done to help improve the
> stability of the OS.
>
> Thanks!
>
>
> --
>
> Wesley Kendall
> Small Business Server Product Support
>
> This posting is provided "AS IS" with no warranties, and confers no rights.
>
> Get Secure! http://www.microsoft.com/security
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