These guidelines will assist selection components that provide proper

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AthlonSystem Cooling Guidelines
These guidelines will assist selection components that provide proper cooling systems using Athlon processors. amount laboratory testing ensure that every custom configuration will have been tested. Therefore, offer these guidelines help avoid system-cooling problems.
Statement Problem
higher performing systems become available, power consumption system's components (processor, hard disk, graphics processor) continues increase. Without proper protection, these components begin fail operation outside their intended temperature specifications. Therefore, steps must taken ensure that overall system provides adequate airflow maintain proper operating temperatures installed devices.
Chassis Cooling Guidelines
After testing many system cases, pattern characteristics became apparent that proved essential ensure proper cooling system. Figure shows typical mid-tower chassis that illustrates these features, also shows suggested airflow characteristics.
Power Supply with bottom intake.
Rear Cooling Fan, 80mm.
Figure Required Features Airflow Characteristics. Power Supply Part Cooling Solution phrase "ATX-style" come mean various things different people. using full-tower mid-tower case, need aware characteristics power supply use. First, only power supply that Athlon Processor Recommended Power Supply list. Second, best results, power supply with venting processor region (that means primary air-intake bottom power supply, front power supply). Some power supplies have "NLX-style" venting (the primary intake front power supply) does pull from processor area (see below). Desirable Version Undesirable Version Rear: They look about same! (Differences brand specific)
Front
Intake only front optimal
Bottom
Bottom intake cools best.
Rules Thumb Proper Cooling
adequate heatsink, sized processor speed using. Make certain proper sized fan(s). Check Athlon Processor Recommended Heatsink Page specifics. Make sure thermal compound (grease, phase-change pads) recommended AMD. recommended heatsink, normally already included. auxiliary exhaust rear chassis fan, suggested size millimeters larger. intake should near location processor. best results, power supply with intake venting processor region (that means primary air-intake bottom power supply, front power supply). Supplies with NLX-style venting (primary intake front power supply) pull from processor area! Make sure internal wires cables routed carefully block hinder airflow through case. tie-wraps judiciously accomplish this. Many cards generate heat (AGP cards particular). either leave slot next these cards open, shorter card these slots allow airflow around cards that heat producers-typically those cards with many electrical components. High-speed hard-drives (especially 10,000 SCSI hard drives) produce great deal heat. minimize problems with these drives mount them 5.25" frames install them larger drive bays, which allows greater airflow around them, cool them more effectively. front cooling does seem essential. fact, some extreme situations, testing showed these fans recirculating rather than introducing cool air.
Summary
With proper attention system's thermal needs detailed this paper, system cooling achieved which will maintain proper operating temperatures devices system.
Click here briefer, more technical version this document with formulas calculating maximum cooling temperature rise.
2000 Advanced Micro Devices, Inc. rights reserved. Trademarks
AMD, logo, combinations thereof, Athlon, AMD-K7 trademarks Advanced Micro Devices, Inc. other trademarks used owned their respective trademark holders.

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