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smakkythecamel
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opteron 165 load temps

Tue Feb 14, 2006 11:48 pm

Hi guys.

Just running two instances of prime with my opteron 165 at 2470mhz (1.375vcore). I'm using the stock cooler and my room is quite warm, the load temp is 56 celcius, is that an okay one?

Cheers,
Owen.
 
Fighterpilot
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Tue Feb 14, 2006 11:53 pm

Yes 8)
 
Deathright
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Wed Feb 15, 2006 12:06 am

I don't own an oppy but that sounds a bit high for amd.
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smakkythecamel
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Wed Feb 15, 2006 12:18 am

As I mentioned it's a fairly hot room, plus it is summer here. at the moment it's idling on 38 and slowly falling
 
Krogoth
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Wed Feb 15, 2006 12:19 am

My 165 Opteron runs at around 53-55C fully loaded with a 1.525Vcore.

IIRC, the higher-clocked Toledos run on the warm side when loaded. The Manchesters are cooler due to having less L2 cache.
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just brew it!
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Wed Feb 15, 2006 12:31 am

Larger L2 should actually help your temps. It significantly increases the surface area of the chip (so more contact area with the underside of the heat spreader), without increasing power consumption a whole lot.

Unless the smaller cache ones are actually the same die, but with some of the cache disabled.
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Logan[TeamX]
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Wed Feb 15, 2006 8:34 am

that's a tad high. With a Venus 12 on my Opteron 170 @ 2.7GHz, ~22C ambient, I run @ 50-52C full rip, both cores. I idle @ 33-35C. 1.45 core voltage.

Fan at 4600RPMs, too, on the Venus... nowhere near flat-out.
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smakkythecamel
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Wed Feb 15, 2006 3:13 pm

Any ideas what I can try to reduce the temps? I already took off the thermal pad and put AS5 on it, only to see an increase in temps, but I think it's gone down now. However this morning is a bit cooler and the idle temp is 34 now, so to me it seems that the ambient temperature plays a major part in it.

Cheers,
Owen.
 
morphine
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Wed Feb 15, 2006 4:39 pm

Topic moved to OC/Cooling.
 
Logan[TeamX]
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Thu Feb 16, 2006 8:06 am

A copper heatsink and 80mm fan is your best bet for immediate temperature reduction. Secondary would be better case ventilation, both intake and exhaust fans with a fairly unfettered airflow to maximize cooling and lower your internal case temps.
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Usacomp2k3
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Thu Feb 16, 2006 2:45 pm

smakkythecamel wrote:
Any ideas what I can try to reduce the temps? I already took off the thermal pad and put AS5 on it, only to see an increase in temps, but I think it's gone down now. However this morning is a bit cooler and the idle temp is 34 now, so to me it seems that the ambient temperature plays a major part in it.

Cheers,
Owen.

It's often said that AS5 needs a few hours to cook-in/cure before reaching it's optimal thermal conductivity or something. That's probably what you noticed.
 
smakkythecamel
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Fri Feb 17, 2006 5:23 am

Well it seems that this cpu has taken a little while to 'burn-in' I guess you could call it. I tried this speed before and it wasn't stable at stock vcore. I'm running at now at 2.44GHz 9 x 271 with the RAM at 222 (on the 166 divider) and just dropped it from 1.375 to 1.35vcore and it's been running prime95 for about half an hour. The temps have gone down to 54 degrees as well.
 
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Fri Feb 17, 2006 8:57 am

The manual says you have to shutdown the machine to give the stuff time to cool. It says the stuff needs a few heat/cool cycles in order to settle in, and that may take days.
 
LockeOak
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Related...

Mon Feb 20, 2006 2:40 am

Don't mean to threadjack, but I have a related question that I didn't think merited a new thread. I'm going to begin inching up my new Opty 165 using the stock cooler in an Antec P180. My goal is 2.5GHz, is that reasonable with stock cooling? Right now it idles at ~26 degrees, load temp (F@H on both cores) tops out at 38 degrees, usually a bit lower.
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LockeOak
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Mon Feb 20, 2006 2:41 am

I just realized that the above example went to almost exactly 2.5GHz on stock. Never mind, heh.
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Flying Fox
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Re: Related...

Mon Feb 20, 2006 8:26 am

LockeOak wrote:
Don't mean to threadjack, but I have a related question that I didn't think merited a new thread. I'm going to begin inching up my new Opty 165 using the stock cooler in an Antec P180. My goal is 2.5GHz, is that reasonable with stock cooling? Right now it idles at ~26 degrees, load temp (F@H on both cores) tops out at 38 degrees, usually a bit lower.

Try it out and see? :wink:
 
Adamantine
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Tue Feb 21, 2006 10:28 pm

just brew it! wrote:
Larger L2 should actually help your temps. It significantly increases the surface area of the chip (so more contact area with the underside of the heat spreader), without increasing power consumption a whole lot.

Actual testing will show that that isn't really true anymore. While cache doesn't use as much power as the core, you're still talking about a difference of about 24 million transistors (512KB vs 1MB, 36 million difference if 256KB vs 1MB).

The increase in surface area isn't enough to offset the increase in power consumption.
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