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Topic Title: sempron 2600+ overheating
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Created On: 01/07/2005 11:26 AM
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 01/07/2005 11:26 AM
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catalin66ro
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Posts: 1
Joined: 01/07/2005

Hi guys, I have an Albatron mb, 512 MB DDR Dual Channel, Asus Nvidia FX 5200 graphic card and a Sempron 2600+. I have some problems.
1. When I run Prime 95 test, temperature is going up to 63 C and then the test crashes or the coputer stop responding.
2. With the old driver for graphic card, the computer stops responding in the middle of 3D Mark 2001. The new driver solved that.
3. If I try to change the FSB to 200 (now is 166) from BIOS, the computer will not start.

I ran memtestx86 and RAM is OK.
I added another case fan but, when I run Prime 95, the test is crashing when temperature is 63 C. I read that the die temperature is 90 C.
Voltages are near to nominal values (readed with MBM % from Livewire).

Can somebody tell me what is going on with my processor ? Should I change it ? (I have warranty)

Thanx-a-lot
Catalin
 01/07/2005 11:46 AM
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MD - Moderator
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Posts: 11102
Joined: 11/05/2003

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.



- 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 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.


MD

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