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Re: Cyrix/IBM processors

daemon@ATHENA.MIT.EDU (Wierdl Mate)
Thu Nov 14 11:22:27 1996

To: Mike Schout <mike@Twoface.tamu.edu>
cc: redhat-list@redhat.com
In-reply-to: Your message of "Wed, 13 Nov 1996 20:23:12 CST."
             <199611140223.UAA08185@Twoface.tamu.edu> 
Date: Thu, 14 Nov 1996 09:46:45 -0600
From: Wierdl Mate <matyi@wierdlmpc.msci.memphis.edu>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

> > Linux 2.0.x identifies my IBM 166+ as a 486, which is a bit annoying. 
> > Any fix around for this?
> > 
> > Also is there any difference at all between an IBM 6x86 and a Cyrix
> > 6x86?
> > 
> 
> The IBM processors are supposedly exactly the same as the Cyrix 
> processors.  However, if you try the Cyrix-patch that has been floating 
> around the kernel mailing list (And I think this is is in 2.1.x too 
> maybe), it does not work with teh IBM processors.  It says something 
> about the registry not matching.. Apparently they have the registry set 
> differently on the IBM processors from the factory than the Cyrix.  If I 
> knew more about the registry numbers I could figure it out, but playing 
> with the registry of the processor scares me :)... You never know what 
> might happen :). If anyone is interested enough, I would be willing to 
> run get6x86 on registry locations and send results to them so they can 
> see (I have a IBM 6x86 p150+).
> 

It is of course of great interest since the Cyrix precessors are much
cheaper than Pentiums. 
Anyways, so the present status is that Cyrix is not suppoted by Linux?

Mate


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