you want the air to flow onto your heatsink as well as suck it away. contradictory eh??? you want cool air to blow onto the heatsink to dissipate the heat off the sink, but also you then dont want the heated air to be blown back onto the heatsink thru bad airflow.
Alpha's are designed to pull(suck) cool air through the heatsink, not blow cool air onto them. It is based on how they designed the heatsink shrouds(and heatsinks) to control/direct airflow.
can be affected by airflow in your case, particularly if there are any obstructions (e.g. powersupply) near the socket. i have a similar setup
to yours in an antec ks282 case (no obstructions) and found that setting the alpha to "suck" was about 4 degrees C cooler than "blow". alpha says
it should be set to "suck" but 3dfxcool (who i bought my alpha from) says it should "blow".
Well after reading this post I decided to flip one of the fans around on my Dual System
Ive been using Identical Alphas on both CPUs Both fans were sucking Before The 2nd CPU was always 3 degrees or so hotter I flipped the fan to blow on the @nd CPU and now it runs 3-4 degrees cooler than the 1st CPU.Guess Ill flip the other one around now and see how it goes
Its harder to cool dual cpus with both fans going in the same direction(in hte case of alpha's) because you get the air mixing. If you have good, directed intake, this wouldn't be a problem, but for most cases, it may be a problem.
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