[rescue] Sun Kit Needed for EE Student Here
"Javi Mahai <lefa at ucsc.edu>" at ucsc.edu
"Javi Mahai <lefa at ucsc.edu>" at ucsc.edu
Tue May 2 21:23:31 CDT 2006
On Tue, 02 May 2006 22:04:27 -0400
Patrick Giagnocavo <patrick at zill.net> wrote:
> I will let others defend me.
>
> The ones who have had caps go bad on cheap PC mobos.
>
> The ones who can explain in detail why lots of caps
>indicate poor
> design.
>
> And the ones who know that a U60 does NOT have a
>relatively high cap
> count.
My early comment was in now way shape or form an "attack"
ergo no need to be "defended" I was just saying that I had
never heard "capacitor count" as a quality metric when it
comes to a computer system board design.
In any case an U2/60 is a relatively slow board, if you
look at modern high speed kit (even from SUN) you will see
large capacitor count, because... well, those high speed
differential traces need some serious decoupling (Look at
a starfire backplane). But even on an U2's board
underbelly, you can see plenty of caps (note, capacitors
do not come only on big cilindric blue packages). I have
an SGI origin node sitting on my desk, there are plenty of
caps in it... I would not consider it a sloppily designed
board by any means...
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