Re: [Hampshire] Which to install on a Dell PowerEdge 1800 x8…

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Author: Hugo Mills
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] Which to install on a Dell PowerEdge 1800 x86_64 or ia64

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On Wed, Apr 25, 2007 at 02:44:15PM +0100, Tom Bragg wrote:
> On 25/04/07, Brian Chivers <brian@???> wrote:
> >I'm about to install Centos onto our new servers but a little unsure which
> >architecture to install ?
> >
> >For Centos 4.4 there is both ia64 & x86_64 images but Centos 5 only has
> >x86_64
> >
> >The servers are dual Xeon 2.8's and are supposed to support EM64T
> >technology.
> >
> >I've already installed Etch onto one of them ready for the new version of
> >Censornet & added the
> >linux-image-2.6.18-4-amd64 deb package via apt and it seems to work fine.
> >
> >What's the difference & which would you go for ??
>
> You need x86_64. This is another name for amd64 and em64t.
>
> ia64 is for Itanium processors only and will not work on your system.


Distinctly confusing, particularly when IA32 is Intel's name for
the x86/i386 architecture...

IA32 == x86 == i386 == i486 == i586 == i686 == 32-bit PC
AMD64 == x64 == x86_64 == EM64T == 64-bit PC
IA64 == Itanium

I think that covers most of the variants in common use.

Hugo.

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