[Beowulf] materials for air shroud?

[Greg Lindahl]

On Fri, Sep 16, 2011 at 08:35:40PM -0400, Andrew Piskorski wrote:

> That makes me wonder why they didn't put all 4 sockets in a row.  Then
> you could have just put one giant heat sink across all 4; I don't see
> any capacitors or such sticking up in the way.

It's harder than it looks to get short trace lengths for HT and short
trace lengths for the dimm slots while keeping the number of layers to
a minimum: 4 used to be the magic number for AMD mobos. Oh, and
there's power distribution, and a host of other things to worry about.

-- greg