Re: Intel microcode fixes [OFF-TOPIC]

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Mon, 23 Nov 1998 13:38:56 +0100 (MET)


Alan Cox wrote:
> > Call me superstitous (and a bad speller), but the idea of upgrading
> > micro-code is even worse than that of bioses. Frankly the idea of
> > replaceing a bios is enough to make me reach for a little Maalox (at
> > times), but the idea of upgrading _micro-coding_ on a stinking CPU makes
>
> Intel don't document the stuff, but what is documented should reassure

Huh? I had enough docs in a day to get this implemented some time ago.
I didn't have a P6 back then to verify if it actually worked....

> you - the 'microcode' update is lost when the CPU is reset

Right. Another reassurance: The docs claim that the CPU verifies that
the author of the microcode upgrade is "intel". This microcode upgrade
is refused if it doesn't pass the authentification test.

Roger.

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