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Naked Opteron 146 @ 2.8 - Temp Problems

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I currently have my Opteron 146 @ 2.8 with 1.4v going through it, LDT 1.2v, Ram, 2.6 and Chipset 1.5v. I'm using MBM5 with the NF4 config to report temps.

 

A couple of weeks ago my temps were about 38 Idle and about 47 under load. I then removed my IHS, cleaned it up and applied some AS5 and attached my Big Typhoon and booted my system and the Idle temp around 36 and my loads temps were around 43.

 

I still wasn't happy with the temps so a couple of days ago I revmoed the Big Typhoon, cleaned everything, applied new AS5 and then attached the Big Typhoon but a lot tighter than last time so that there is no movement what so ever between the heatsink and the CPU.

 

When I booted my system backup my Idle temp was around 30/32. I left my machine running CPU Burn for about 6 hours and I came back just before it had finished and my CPU was about 50. My Idle temp now seems to flost between 36 and 38 and my loads temps are 45.

 

I'm not sure what this means or what I'm doing wrong but something doesn't feel right. I really thought that removing the IHS and doing the burn in should help but it really doesn't seem to that much of a difference Needless to say that none of this has helped me overclock the CPU but Prime now last for 5 minutes when running at 290x10 rather than failing instantly like it did before. I'm sure that if I can get over this hurdle with my current cooler then I could maybe overclock my chip further. At this stage I really do not want to go to water cooling as an Opteron 165 is next on my shopping list.

 

Can anyone please help?

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hmm i'm not sure but my x2 3800 at 2.8 and 1.4v idles around 29 and loads at 40c. your result makes me not want to take off the heat spreader as i have the same heatsink. maybe you have it on too tight?

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Is it possible to have it on too tight? I read something the other day that said it should be on tight enough so that there is no movement between the cpu and the cooler and tight enough so that you cant twist cooler whilst its on top of the cpu. I'm not sure to be honest, maybe I need water but if that was the case then I'd need a new case first.

 

From what you've said about your system I don't think there is any need for you to remove the IHS. You have a good overclock and your temps seem ok, if they were hitting 50+ then it might be worth you removing the IHS.

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i would only remove it to better my chances at 3ghz cause i get overheating issues when i try right now. i tightened my big typhoon on as tight as i could with my fingers. i used the brass cylindrical nuts (they look like mobo standoffs) that came with it rather than the little tiny nuts so i could better grip it with my fingers.

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HI !

 

I have the exact same CPU.

 

My cpu hit a load temp around 50c too with only like 1.45vcore.

 

I removed the IHS and now the temp are great :)

 

Load temp is around 43c now, with 1.48vcore ;)

 

It hits 50c when I put like 1.65-1.7vcore, thats nice :D

Using a scythe ninja cooler with a 120mm everflow fan.

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