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SubjectRe: MPS version
Jasper Spaans wrote:
>
> On Tue, Nov 09, 1999 at 11:53:10AM +0000, Alan Cox wrote:
>
> > > When using a Gigabyte BXD [SMP] motherboard, make sure your bios setup is
> > > configured to use MPS version 1.1, and not 1.4 !!!
> >
> > We support MPS 1.4. If your BIOS gets it wrong it isnt our problem 8)
>
> Hmm, strange, when I tell my motherboard to use MPS 1.4, I still get the
> following message when booting 2.3.26:
>
> Nov 9 12:17:06 spaans-smp kernel: found SMP MP-table at 01006384
> Nov 9 12:17:06 spaans-smp kernel: Intel MultiProcessor Specification v1.1
> Nov 9 12:17:06 spaans-smp kernel: Virtual Wire compatibility mode.
> Nov 9 12:17:06 spaans-smp kernel: OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
>
> So, probably the bios does get it wrong -- maybe a reason for a blacklist?
> Browsing through the sources, I wasn't able to find any hooks for this; as a
> side note, my BIOS seems to set up the OEM ID and Product ID wrongly, but it
> does this both in the 1.1 and 1.4 mode.

It does however correctly use the 1.4 IOAPIC interrupt support.

> Well, I'll just put my bios back into the 1.1 mode, and never touch that
> setting anymore.

Mine works fine with 1.4 (even though the kernel reports 1.1 - I've even
checked with "mptable" - still 1.1 - maybe the BIOS just doesn't set the
correct info?). I don't however use USB (and if I did want to I would
upgrade to the latest 2.5c(?) bios which does apparently work for USB
and ACPI under Win2k).

Barrie

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