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Old 02-04-2005, 06:23 PM   #1
MD Willington
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Join Date: Sep 2004
City & State: WA, USA.
Posts: 702
Default Temperature check list.

Here is the Checklist, it's a lot of things I've responded to and observed, some of it applies to most computers in general.

Here goes...feel free to edit it if you wish.

Temperature related.

Check the following for overheating or perceived overheating:

- Is the heatsink correctly installed ?
--> Verify it is correctly installed.

- Is the heatsink filled with dust and crud ?
--> Clean with compressed air in a can.

- Is the heatsink fan operating ?
--> Replace defective fan with similar or better unit.

- Is the heatsink adequate for that application/CPU ?
--> Verify it meet the requirements for the CPU being used.
--> RETAIL heatsink? May require lapping and better TIM.

- Is thermal interface material used between heatsink and cpu ?
--> Verify it is used, and is applied according to the manufacturers guidelines.
--> Recommended PCM's, thermal pads from "AMD Thermal, Mechanical,and Chassis Cooling Design Guide #23794.PDF.
- Bergquist HF225UT Phase Change
- Chomerics T725 Phase Change
- Honeywell PCM45 Phase Change
- Power Devices Powerfilm Phase Change
- ShinEtsu PCS-TC-11T-13 Phase Change
- Thermagon T-pcm905C Phase Change
--> Recommended thermal interface material aka: grease, gel etc.
- Arctic Ceramique.
- Arctic Alumina.
- Arctic Silver, 3, 5 etc.

- Is the TIM pad cover removed from heatsink before installation, if using supplied TIM pad ?
--> Remove the cover before installation, failure to do so will insulate the cpu from the heatsink.

- Is there adequate airflow or case ventialation ?
--> Verify airflow, add case fans if required.
-->Courtesy: AMD Desktop Builders guide, Publication # 26003



- Is the Vcore set higher than specified by the manufacturer ?
--> Verify the Vcore is set to the manufacturers specification in the mainboards bios.

- Is the temperature read via the internal temperature diode. Is the tremperature read via the socket thermistor ?
--> Temperatures read at the diode can and will be higher than an external reading.

- Is the temperature sensor properly calibrated ?
--> Several boards have this problem, check manufacturers bios revision history for calibration fix.
--> Does the heatsink feel warm or HOT, if it's warm to the touch and the temperature reads HIGH it could be a miscalibration error.

- Outside temperature high ?
--> If the external temperature is high, then the case fans will be drawing in hot air, especially during summer months.
Remeber, when it's Winter in the Northern Hemi-sphere, it's Summer in the Southern Hemi-sphere & vice-versa.

Helpfull Links:
AMD system building guides;
http://www.amd.com/us-en/Processors/...2_9342,00.html

Arctic Thermal Interface materials;
http://www.arcticsilver.com/index.html
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Old 10-02-2005, 10:48 AM   #2
arneson
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Join Date: Sep 2005
City & State: SWF
Posts: 1,258
Default Re: Temperature check list.

Wow, that's a lot of stuff.
So the block of ice on top is not enough?
One guy actually built a mod right into an old refridgerator.
Screen on door and everything. Vert Cool.
Had serious condensation problem and blew up, but beer was still cold.
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