Re: [patch] PIII/Katmai & FXSAVE support, disable serial-#, 2.2.2
CaT (cat@zip.com.au)
Wed, 3 Mar 1999 13:50:08 +1100 (EST)
Oliver Xymoron wrote the following:
>
> On Tue, 2 Mar 1999, Jim Freeman wrote:
>
> > On Tue, Mar 02, 1999 at 09:54:37PM +0100, Ingo Molnar wrote:
> > > - disables PIII serial# on all CPUs (Doug Ledford)
> > > [we might make this configurable in the future for Wine
> > > compatibility]
> >
> > Serve up the serial# from the entropy pool :-)
>
> Presumably they have some sort of check code built in. Best to just force
> it off and tell people to forget they ever heard of it. As long as PIII's
> with serial numbers enabled don't become a significant fraction of the
> entire x86 market, having access to it won't matter.
Regarding this lamearse cpuid thing. Is the off switch and on/off switch?
Ie can the cpuid be turned on again by any software? Or is it a one time
decision for the life of the cpu or the life of a session (between power-on
and power-off)?
--
CaT (cat@zip.net.au) URL: http://www.zip.com.au/dev/null
An electricity provider of New Hampshire, US has advised it's customers
that in the event of a power failure they can log on to its website for
more information... - Paraphrased from the New Scientist, Feb 6, 1999
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