Re: The ultimate TOE design
From: Jörn Engel (joern_at_wohnheim.fh-wedel.de)
Date: 09/17/04
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Date: Fri, 17 Sep 2004 15:38:09 +0200 To: Lincoln Dale <ltd@cisco.com>
On Fri, 17 September 2004 08:37:17 +1000, Lincoln Dale wrote:
>
> sure -- ok -- that gets you the main processor.
> now add to that a Northbridge (perhaps AMD doesnt need that but i'm sure it
> still does), Southbridge, DDR-SDRAM, ancilliary chips for doing MAC, PHY,
> ...
>
> couple that with the voltage of PCI where you're likely to need
> step-up/step-down circuits (which aren't 100% efficient themselves), you're
> still going to get very close to the limit, if not over it.
>
> ... and after all that, the Geode is really designed to be an embedded
> processor.
> Jeff was implying using garden-variety processors which seem to have large
> heatsinks, not to mention cooling fans, not to mention quite significant
> heat generation.
>
> we're not _quite_ at the stage of being able to take garden-variety
> processors and build-your-own-blade-server using PCI _just_ yet. :-)
FWIW, I've already been working with complete systems that suck their
power from PCI. They do exist, just not in the grocery store next
door.
Jörn
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