Re: A7M266-D works?

[Alan Cox]

> > Check PCI register 0x4C if bits 1 and 2 are clear your board is not
> > running in a PCI compliant mode and anything may happen. 
> 
> The PCI quirk fixup you posted (reproduced below) uses the test
> "(pcic&6)!=6", so do you mean to say "if bit 1 or bit 2 is clear"?

If either bit is clear then the board (according the the AMD 762 BIOS
manual from www.amd.com) is not in PCI compliant mode

> > see corruption and failures. Most devices don't have that dependancy
> > but a few do - and break horribly.
> 
> Might this cause random hard lockups under a compute intensive load?

Hard to say. 

> Since the fixup applies to the AMD762 northbridge, common to the 760MP
> and 760MPX chipsets, this discussion applies to all SMP Athlon
> motherboards at present, is that right?

I believe so. 

> Lastly, do you know whether the reason that the A7M266-D comes with a
> PCI USB2 card is that the USB support of the AMD768 southbridge is
> borked?  Both the Tyan S2466 and the MSI K7D Master come with PCI USB
> cards.

My guess too - but I don't know