Re: Cyrix 6x86MX and Centaur C6 CPUs in 2.1.102

Alan Cox (
Thu, 21 May 1998 22:31:02 +0100 (BST)

> Well, that depends. They SHOULD be. By Intel 'standards' *laff*, they have
> to be identical stepping, indicating identical features. However, I've

They don't. Pentiums have fairly strict rules, P6/PII much less. Also Intel
are pretty good at following the MP 1.1/1.4 standard its the motherboard
makers who get it wrong - primarily the BIOS is full of bugs. It appears
nobody tests bios code against specs any more. It looks like they do
compile flash, boot 95, boot NT, ship. The quality of bios code has dived to
the absolute pits.

> Seen it in action, and the way the person implemented it worked VERY well.
> I'll see if I have a current email and get a diff for everyone if I can.
> :)


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