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Pastimes : Dream Machine ( Build your own PC ) -- Ignore unavailable to you. Want to Upgrade?

To: pae who wrote (3318)	10/31/1998 11:48:00 AM
From: Dirk Hente	Read Replies (2) \| Respond to of 14778

pae,more or less I'm experimenting around with no clear favourite for one method. What I'm doing is: 1. adding a second fan at the front side 2. changing the flow direction of the fan(s,) always one out and one in 3. adding/removing vents Thats all. I never leave my case open. When you leave your case open, the air velocity is reduced very much so that the heat dissipation of some parts is done only by natural convection and radiation. This may be not enough and there is some danger of overheating. Usually the CPU is not affected by this because you have a fan attached to it so that you get forced convection. Leaving the case open may even have a positive effect here because the cpu fan now gets fresh cold air. If you ask me I think its too risky to leave the case open. The nice thing about the PII/Celeron CPU's is the fact that they have a thermal protection build in. You can never thermally destroy the cpu by overclocking because the CPU just disables the clock when it is getting too hot. Your PC just stops working, thats all. As long as you dont have high performance parts (450MHZ cpu, 10.000rpm hd's and 3d accellerator cards) thermal management shouldn't be a big prob.

To: pae who wrote (3318)	11/3/1998 12:21:00 AM
From: Sean W. Smith	Read Replies (1) \| Respond to of 14778

Clarence, JW, Dirk, Good links, thanks! I've got the powersupply torn apart and am 4 screws from flipping - which is what I thought I wanted to do ... until I read Dirk's thermodynamics stuff. Now I'm confused again!? Paul P.S. Cyberguys catalog on its way. That Drive bay temp sensor/alarm/monitor looks like a good way to test out some of the divergent cooling theories. Some motherboards include the LM78 chip and Intel Lan Desk Client manager that monitor this automatically as well as Case Fan RPM and CPu Fan RPM, MOBO temp, and PS voltage output. Sean