Re: Hello from Sweden
On Thu, 2007-05-10 at 09:26 -0400, Lennart Sorensen wrote:
> On Wed, May 09, 2007 at 03:06:59PM -0500, EMNI Pablo Rafael L?pez Mart?nez wrote:
> > I have changed the memory cards twice and installed in a different PC,
> > and the same error occur, this time I used a PC with a P4, 3.0 Ghz, and an
> > Asus P5LD2-VM board. I was thinking it was the DVD, but downloaded again and
> > the problem remains.
> > I installed Debian on a HP DL 360 G4, v?a CD netinst and installed
> > perfectly. I began to have doubts about my real architecture. Is amd64
> > really, or it is i386?. I went to wikipedia and there I saw that a P4 has
> > em64t instructions.
> > My brain is like lettuce because of this.
>
> Some late P4's had em64t, most of them do not.
>
> Of course any cpu that has em64t can still run i386 just fine, and for
> some things it is a lot simpler to stick with i386 which is much more
> tested and supported (things like flash and video codecs and such are a
> pain to deal with on amd64 so far while very easy on i386).
>
> What happens when you try to boot the amd64 install cd? It should tell
> you very quickly if your system isn't 64bit compatible.
>
> Certainly the HP DL 360 G4 is 64bit compatible. The P4 on the other
> hand, not sure. Depends on the model of the cpu. Do you know which
> model of P4 you have? 'cat /proc/cpuinfo' might have enough info to
> tell. For 3000MHz models it looks like the few that have 64bit support
> are:
>
> Pentium 4 HT 531
> Pentium 4 HT 631
>
> The rest of the 3000Mhz models do not as far as I can tell.
Look for "lm" in the "flags" section of /proc/cpuinfo - if it's there,
that means it'll run amd64 code
--
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/ Jo Shields <jms@osc.ox.ac.uk> \
| Systems Manager, |
\ Oxford Supercomputing Centre /
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