-----Original Message----- From: Eugene Chu [mailto:chu@tes-mail.jpl.nasa.gov] Sent: Friday, March 24, 2006 4:34 PM To: mmarion@qualcomm.com; suse-amd64@suse.com Subject: Re: [suse-amd64] Opteron vs Celeron-D EMT64

On Fri, Mar 24, 2006 at 12:31:28PM -0800, pierre wrote:

...

Googling around I read claims and counterclaims stating that neither AMD or Intel has "true 64-bit", whatever that means.

I wonder if they're referring to the old DEC Alpha systems which ran "Tru64 UNIX". They were 64 bit ONLY, none of this 32 bit compatible feature of the 64 bit offerings from other vendors. It's funny that we are still worrying about 32/64 bit mix-ups 15 years after the Alpha systems forced everyone to either rebuild their code or get new COTS software (and about 5 years after its demise).

eyc

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[Black, Alain] We just purchased 2 new HP Alpha ES47s last year. Great boxes, blindingly fast. I'll be sad to see the Alpha finally go. I will also miss Tru64 UNIX. It's TruCluster is the closest thing to VMS style clustering that I've seen in the UNIX world. I've gotten spoiled by Tru64. If you plug in multiple paths to the SAN, it automatically configures them as active-active. -Alain.