[rescue] Perverse Question
Frank Van Damme
frank.vandamme at student.kuleuven.ac.be
Sun Jun 15 17:37:51 CDT 2003
On Monday 16 June 2003 00:09, Dave McGuire wrote:
> Are you serious? Motherboards are actually breaking due to the
> weight of the heatsinks? I didn't know that. That's frightening.
Something new to add to your "why x86 sucks" list :-)
What do you expect? A mobo is maybe 2 mm thick or so, there are heatsinks of
450 grammes and more. Lift them ( think lan-party), put them down too
roughly, after a while there's a chance little cracks will appear.
> I've seen HP9000 (PA-RISC) heat sinks that were a two-hand lift.
> THEY didn't break their boards. Maybe the PC industry needs to learn
> something about systems design.
I rather suspect HP counters mass with mass :-)
> Hmm, maybe that's what I've been saying all along! ;)
Yeah, maybe :p
> > Isn't it actually just a problem of mass? The bigger the chip the more
> > power
> > it draws... make it smaller, make it cooler... or am I talking out of
> > my neck
> > again? :)
> That's the biggest problem. To get more density, you need smaller
> wires, and the wires are now so small they can barely carry the
> [miniscule] current. Further, it's very difficult to get the heat out
> of the chip as fast as it's being produced. They keep lowering core
> voltages, but there needs to be *some* discernible difference (meaning
> wide enough to get past the noise) so that's nearing the end of the
> rope as well.
> The poor (and *ancient*...people say VAX is old? It's newer than
> x86!) architecture has backed them into a very dark corner in which the
> only performance gains can be had by increasing the clock rate...which
> is nearing the end of its rope.
Hehe... that's funny :)
> Thermal migration of materials (diffusion) within the chip is also an
> issue, but PC hardware isn't [generally] designed for longevity so
> that's not really a big deal.
If you want longevity, get an ss2. They'll survive the next 2 or 3 world wars
Frank Van Damme http://www.openstandaarden.be
"Je pense, donc je suis breveti."
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