Re: About ACPI and APIC

[Andy Green <andy@xxxxxxxxxxx>]

Stephen Liu wrote:
> Hi Andy,
>
> > > > On BIOS setting
> > > > ACPI 2.0 support [Enabled]
> > > > ACPI APIC support [Enabled]
> > > >
> > > > Warning at starting booting
> > > > Powernow-k8 : mp system not supported by PSB BIOS structure
> > I noticed on my DFI motherboard that this can be made to go away by 
> > selecting MPS v1.1 from a BIOS selection that I think defaulted to
> > v1.4.
>
> I searched around on BIOS and can't find this item "MPS v1.1"  Please
> advice under which tag on the BIOS.

All the BIOSes are different in regard to which settings they expose to 
the user, you can easily not have this setting.  This is why I mentioned 
it was the case "on my DFI motherboard".

It seems that MPS is a deprecated precursor of ACPI-type information 
transfer from BIOS -> OS

http://www.uruk.org/~erich/mps.html

-Andy

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