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OC on an x4 640 - Page 2

post #11 of 17
Quote:
Originally Posted by skaboy607 View Post
Ha you say that. I'm not having much luck and temps are already at 53-54 under load with a 1.43 vcore.
Darn, My temps are 52c under load with 1.55vcore

Even though mine is a dual core, your temps are not too great.

I would try and keep it btwn 50 and 60C
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post #12 of 17
Thread Starter 
Yea that's what I'm trying to do and why i'm not going any further until i'm under water. It's weird though, got good airflow in my case so don't really understand it.
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post #13 of 17
Try some different TIM, I went from the CM standard TIM to AS5 and saw a 1-2c drop in load temps, then went from that to a shin etzu and saw 3c from that switch a total of 4-5c. If you have the HSF improperly seated or too much TIM it could be related to the issue. Your temps are very high thought for what you have. Like I said earlier, I rarely got above 50c with a TX3
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post #14 of 17
According to AMD, Read your Core tempatures and the CPU tempature is more irreliavant
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post #15 of 17
Thread Starter 
Quote:
Originally Posted by Atomfix View Post
According to AMD, Read your Core tempatures and the CPU tempature is more irreliavant
Explain more please..

Quote:
Try some different TIM, I went from the CM standard TIM to AS5 and saw a 1-2c drop in load temps, then went from that to a shin etzu and saw 3c from that switch a total of 4-5c. If you have the HSF improperly seated or too much TIM it could be related to the issue. Your temps are very high thought for what you have. Like I said earlier, I rarely got above 50c with a TX3
Already using AS5 but have got MX3 on the way for when I watercool. dont see the point of taking it off now to then take it off again in a couple of weeks.
Edited by skaboy607 - 8/18/11 at 8:35am
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post #16 of 17
Quote:
Originally Posted by skaboy607 View Post
Explain more please..
Quote:
Sorry I didn't get back to you sooner, I just recently had your email forwarded to my department.

Concerning your question regarding the temperatures with your processor. (1090) the maximum temperature threshold is 62 Celsius which set for the internal die (core) temperature of the chip. The core temperatures have an equational offset to determine temperature which equalizes at about 45 Celsius thus giving you more accurate readings at peak temperatures. The hindrance in this is the sub ambient idle temperature readings you speak of.

The silicon and adhesives used in manufacturing these processors has a peak temperature rating of 97+ Celsius before any form of degradation will take place. The processor also has a thermal shut off safe guard in place that shuts the processor down at 90 Celsius.

The Cpu temperature is read form a sensor embedded within the socket of your motherboard causing about a 7-10 Celsius variance form the actual Cpu temperature, which may be what you are reading about on the net.

You can use an application called AMD overdrive, that will allow you to monitor your temperatures accurately.

As long as your core temperature has not exceeded the high side of the 60 degree mark for extended periods of time you should be ok. 62 degrees holds a generous safety net to begin with.

I hope I was able to answer your questions, If you have any more inquiries don't hesitate to contact us.


Thank You

Alex Cromwell
Senior Technology Director
Advanced Micro Devices
Fort Collins, Colorado
2950 East Harmony Road
Suite 300
Fort Collins, CO
80528-9558
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post #17 of 17
Thread Starter 
So reading the core temps from a program like CPU-z is better then?
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