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Date:      Thu, 20 Dec 2007 13:26:58 +0100
From:      "Walter Jansen" <walter.jansen@inter.nl.net>
To:        <freebsd-doc@FreeBSD.org>
Subject:   supported processors in amd64/ release 5.x through 7.x 
Message-ID:  <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAzoyukgr2Z0iyp+cF2jQJZMKAAAAQAAAAp+7tHAJc1kuu7wJbtzQrGAEAAAAA@inter.nl.net>

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Dear,

=20

In the "hardware notes" shown in the documentation of all releases 5.x
through 7.x Beta, the supported Intel processors are described as =
follows:

=20

*         Intel 64-bit XeonT ("Nacona"). This processor is fabricated on
90nm process technology, and operates with 2.80 to 3.60 GHz (FSB 800MHz) =
and
Intel E7520/E7525/E7320 chipsets.

*         Intel PentiumR 4 Processor supporting Intel EM64T =
("Prescott").
This is fabricated on 90nm process technology, uses FC-LGA775 package, =
and
operates with 3.20F/3.40F/3.60F GHz and Intel 925X Express chipsets. The
corresponding S-Spec numbers are SL7L9, SL7L8, SL7LA, SL7NZ, SL7PZ, and
SL7PX. Note that processors marked as 5xx numbers do not support EM64T.

Intel EM64T is an extended version of IA-32 (x86) and different from =
Intel
IA-64 (Itanium) architecture, which FreeBSD/ia64 supports. Some Intel's =
old
documentation refers to Intel EM64T as "64-bit extension technology" or
"IA-32e".

The information seems outdated. "Nacona" had many successors, EM64T is =
now
named Intel-64, many other Xeon processors support Intel-64 as well as =
other
processors with different names do. Socket- and package numbers are =
either
restrictive or do not exist any more.

=20

Being not technically skilled myself, I can not help you to a better and
more to the point description of processor compatibility, but the
discussions in forums indicate that ther is a need for this. I still =
hope to
find an answer to my question: "Can I install Freebsd amd64 on my Dell =
SC440
server with Xeon 3060 processor"=20

=20

My full respect for all the good work you do; have a very good X-mas=20

=20

=20

Kind regards

=20

Walter Jansen

Elst, The Netherlands




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