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| Home >> Resources | Support >> How to Upgrade Computers >> Improve the cooling of your un-overclocked Thunderbird >> |
III. Solution 2: Ensure proper airflowImprove the cooling of your un-overclocked Thunderbird by Philip BayerWhile researching CPU cooling, I came across AMD's Chassis airflow specs on their website. I had also been reading elsewhere about obtaining adequate cooling through good chassis design. AMD recommends an 88mm exhaust fan to the rear of the chassis underneath the power-supply. They do not recommend an intake fan in the font of the case, because during their testing it sometimes did nothing but circulate hot air around the case while preventing cooler outside air from entering the case. Since the case that I was using at the time only had an 80mm front intake fan, I decided to simulate the proper airflow characteristic of a well-designed case using what I had. The first thing I did was move all cables out of the center of the case. I stuffed IDE and floppy cables into the middle bays of the case, and I routed the power cables around the inside perimeter of the case to allow proper airflow directly from the front to the back of the case. I then closed all of the open PCI slots (I had previously kept them open hoping for better ventilation), and I taped off a long string of air vent holes at the back of the chassis. Then I turned on the box, again with the side panels on, and measured the temperature. The CPU was now running 3 to 4 degrees cooler than it did with all of the extra ventilation. I could now run most major apps with MP3's playing in the background without the fear of a system crash. The conclusion: proper airflow design works. This does not necessarily defy all logic however. The idea is that with proper airflow, you get one continuous stream of cool air coming in through the front of the case, past the drives and the first half of the motherboard. At the end of the stream, the air quickly heats up as it passes over the processor, but then it is whisked out the back of the case by the power supply and exhaust fan. One entry point for cool air, one exit point for warm air. Very logical indeed.  NEXT: | IV. Solution 3: Software cooling
| V. Solution 4: Increase Airflow
| VI. Solution 5: Case mods for better cooling |
VII. Conclusion and updates |
VIII. Heatsink Install Tips, and Fan Fan Throughput |  BACK: | Preface and Notes | I. Introduction and Specs| | OTHERS: | Go to Top | Directron Home | Other System Manuals | |
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