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    SubjectRe: [patch] PIII/Katmai & FXSAVE support, disable serial-#, 2.2.2
    Date
    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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