[Beowulf] Tyan's Beowulf in a box

Vincent Diepeveen diep at xs4all.nl
Sat Jun 10 01:42:37 PDT 2006

----- Original Message ----- 
From: "Greg Lindahl" <greg.lindahl at qlogic.com>
To: <beowulf at beowulf.org>
Sent: Saturday, June 10, 2006 3:40 AM
Subject: Re: [Beowulf] Tyan's Beowulf in a box

> On Sat, Jun 10, 2006 at 01:26:18AM +0100, Vincent Diepeveen wrote:
>> Tyan is hammering upon their 'direct connect' architecture.
> Vincent, this is just the AMD marketing term for HyperTransport.

Well HT is pretty fast way to glue 2 quads together to form
1 machine with 8 sockets:



2 hypertransport interconnects between the quad boards it looks like.

HT Edge Card
 . Connecting 4 AMD OpteronT CPU on S4881 and
     4 AMD OpteronT CPU on M4881

>> It's 2 quad boards that are glued together with interconnects (seems to 
>> me
>> like htx slots by the way),
> They aren't.

HTX is the 3.0 HT definition and this is a 1.0 HT way to glue things 

> -- greg
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