AMD K6

[Tasos Bassoukos]

Alexios Chouchoulas wrote:

> On Fri, 12 Dec 1997, Fotis Andritsopoulos wrote:
>
> > Fhmologeitai pws o AMD K6 einai 'psilorisc'...Se Windoze k.t.l. den
> > blepeis ousiastikh diafora...Me kernel tou linux (i386) optimized as
> > Pentium ta apotelesmata einai fobera!!! Den exei sxesh me ta Intel Pentium
> > ...
>
>   Den fhmologeitai aplws (bl. http://www.amd.com). An diabaseis ta technical
> documents tou epeksergasth tha deis oti *einai* RISC me ena ekswteriko
> kelyfos pou metafrazei tis entoles x86 se ena h perissotera, apla RISC
> instructions. Ousiastika milame gia thn epistrofh twn mhxanwn me mikrokwdika
> (etsi pou paei, se liga xronia tha exoume kai mhxanes me user patchable
> mikrokwdika opws eixan kati palies arxitektonikes tou '70 -- ola fernoun
> kyklous etsi ki alliws).
>

[snip]

Ma, hdh oi Pentium/PPro/PII exoun tropopoihsimo mikrokwdika.
Malista, gia ton Pentium htan arxika kryfo, alla me ta polla bugs olloi "epesan"
panw ston kahmeno ton epe3ergasth ....

Apo thn BUGTRAQ gia to F00F bug:

On Fri, 7 Nov 1997,  George Imburgia wrote:
> Intel recently acknowledged that they enabled the ability to update
> microcode on Pentium chips several years ago. That's right folks, they put
> a backdoor in your hardware. The good news is, it could be used to fix
> this bug, should Intel be so inclined.

Tassos


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