| Subject: Re: CPU heat & SETI |
| From: Martin 53N 1W |
| Date: 27/10/2004, 20:25 |
~misfit~ wrote:
Peter Smithson wrote:
[...]
I realise it won't do the computers any harm to process data - that's
what they were built for. It's just that the FAQ entry suggests they
[...]
I agree. Emphatically. Otherwise. This current box I'm on runs with a CPU
die temp of around 34°C using office apps/net surfing etc. Start up SETI or
BOINC and that quickly climbs to above 50°C. At a guess I'd say it uses 40
watts more power at least to run SETI and from the above figures you can see
that it certainly generates more heat.
34 = Tambient + k * Pnoload
50 = Tambient + k * (Pnoload + 40)
50 - 34 = k * ( ( Pnoload + 40 ) - Pnoload )
16 = k * ( 40 )
k = 16/40 = 0.4 deg C per W
~~~~~~~~~~~~~~~
Are you sure about that +40W?
I don't see anything like that sort of temperature rise. Or is my
heatsink really over x4 better than yours? ( (;-P) )
(For an AMD Athlon 1900+, air cooled.)
Regards,
Martin