On Sunday 26 Jan 2003 5:04 pm, Tom Brinkman wrote: > On Sunday January 26 2003 09:11 am, Anne Wilson wrote: > > Tom - I'm not doubting you, and I'll certainly keep this post for > > reference, but how is that affected by orientation? Why would it > > run longer if on its side? > > > > Anne > > Heat rises :> Seriously, if he's runnin it on it's side, the heat > rises out of the case better, maybe?. A table fan blowin into an > upright case would probly be better tho. In any event, 78C from a > probe is WAY TOO high for an Athlon. Another posssible explaination > is if he's usin a heatsink that is heavier than AMD recommends. These > heavy heatsinks don't sit squarely on the cpu's die when the case is > upright and gravity is pullin 'em down. Specially if the spring clip > tension is to low. Which is why AMD specs a maximum weight (200 or > 300 grams IIRC) and retention clip tensions. Anyhow, all their > recommended heatsinks fall within this weight requirement. A lot of > the super duper fancy expensive one, are also overweight. Specially > the copper ones. > > Even if the cause is somethin else, anything over low 60C's (max, > under extreme load) for an Athlon is intolerable, an must be sorted > out, sooner the better if it's not already too late.
Thanks for the explanation. Yes, my Athlon 900 runs around 50C, 24x7. I do worry about the weight of current heatsinks and fans - to say nothing of the fact that I have a heart attack every time I have to try to deal with those clips :). Are there specialist fans that are lighter weight? Anne -- Registered Linux User No.293302
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