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PAL 6035 Fan Test Results

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BigAir

Member
Joined
Feb 17, 2001
Location
Mesa Arizona
I will just get straight to the point. I was getting about 42C temps with my 6035 sucking air away from the CPU and I switched it and now my temps are 38C!!! Has anyone else had similar experiences? Or maybe oposite experiences? I know Alpha says to have the fan on this HSF sucking, but you can't argue with results :)
 

Phil

Senior Member
Joined
Jan 13, 2001
Location
Bolton, UK
It has a lot to do with your case fan arrangement as well, the fan usually behid the cpu can intefer with the cpu fan airflow sometimes
 

Hoot

Inactive Moderator
Joined
Feb 13, 2001
Location
Twin Cities
Every HSF I've played with yielded a few degrees improvement blowing into it as opposed to sucking the air out of it. I think it has to do with the core being so small a contact area with the HSF right in the middle of the base. Ever wonder why Danger Den and Swiftech changed their blocks to the intake water gushing down right onto the spot above the core?

Philosophically, if you can get the desired temp sucking out, you are better off, because the exhaust plume is heading towards the rear exhaust fan in mid and full towers. If you are blowing into the HS, the air deflects off the baseplate and exits at the bottom into the area around the CPU. This is where the vcore regulator, frequency PLL, northbridge and memory reside. They don't need someone elses heat being blown on them. Admittedly, this would only be a detriment if you are getting rid of a lot of heat from the HS.
Depending upon the strength of your HS fan, when blowing down, it also disrupts the airflow pattern across the motherboard set up by the low front intake and high rear exhaust crossflow.

Hoot