[Cialug] OT: Which Intel processor is 64 bit?

[Dave Crouse]

cat /proc/cpuinfo | grep flags

look for "lm" which means "long mode"  if you have the "lm" flag, your
machine is 64bit.

HTH's.

Crouse




On 1/11/08, Nathan C. Smith <nathan.smith at ipmvs.com> wrote:
>
>  This same site says"All Intel(r) Xeon(r) processors feature:
> Intel(r) Virtualization Technology±
> Intel(r) Extended Memory 64 TechnologyΦ
> Execute Disable Bit°<http://www.intel.com/products/server/processors/index.htm>
> "
>
> Weren't there processors labeled Xeon before 64 bit?
>
> Thanks.
>
> -Nate
>
>  ------------------------------
> *From:* Matthew Nuzum [mailto:newz at bearfruit.org]
> *Sent:* Friday, January 11, 2008 4:36 PM
> *To:* Central Iowa Linux Users Group
> *Subject:* Re: [Cialug] OT: Which Intel processor is 64 bit?
>
> On 1/11/08, Nathan C. Smith <nathan.smith at ipmvs.com> wrote:
> >
> >
> > Is there an easy way to know which Intel processors support 64 bit
> > linux?
> > Is the 64 bit Intel kernel the same as for the AMD processors that
> > support
> > 64 bit?
>
>
> Core 2 is 64bit. the Intel Core Duo is not.
>
> I don't know how to tell based on /proc/cpuinfo though.
>
> The Core 2 is compatible with AMD64 (which I find to be a bit of irony
> considering all these years AMD was compatible with Intel). Therefore the
> same kernel is used for both Intel and AMD 64bit CPUs.
>
> --
> Matthew Nuzum
> newz2000 on freenode
>
>
> _______________________________________________
> Cialug mailing list
> Cialug at cialug.org
> http://cialug.org/mailman/listinfo/cialug
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://cialug.org/pipermail/cialug/attachments/20080114/f2101a1f/attachment-0001.html