RE: Node zero in the loft

[rj@xxxxxxx]

or maybe even look at mounting the power supply externally out of the case,
we did this in our studio because the PCs sit right under a mixing desk and
the power supplies were leaking interference into the panel, we just
extended the peripheral power cables another meter.


-----Original Message-----
From: Paul Gordon [mailto:paul_gordon@xxxxxxx]
Sent: Thursday, 29 March 2001 8:20
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Node zero in the loft


>out where they got in... if rain can't how the f**k do birds do it!?
>

Rain can't fall upwards!


>
>Although it would aid cooling I would prefer not to leave the case off
for
>a
>loft PC to avoid excessive dust on circuit boards. I guess this means
>*lots*

- THIS AINT NECESSARILY SO! - you could very well degrade the cooling
capability by leaving the lid off the case - many PC's are designed to use
forced air flow through the case to provide the effective cooling, and
depend totally on being enclosed in order to vector the airflow across the
heatsinks. - Although this might seem counter-intuitive, if you think about
it, it does make sense - after all, how effective is a massive heatsink
going to be if there is totally static air around it? - how is the heat
going to be convected away? - with no airflow there is only radiated heat
loss from the heatsink.

So be careful before you try this! - I would suggest you measure the CPU
temperature both with lid on and with lid off. - If you have a new enough
PC

with health monitoring features, you should have CPU temperature
measurement

built in... (you >did< fit the thermocouple between the CPU & its
heatsink
didn't you... ;-)  )

Paul G.



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