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Message 39187 - Posted: 27 Apr 2010, 13:20:31 UTC
Last modified: 27 Apr 2010, 13:21:08 UTC

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ProfileDavid Glogau*
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Message 39190 - Posted: 27 Apr 2010, 14:18:45 UTC - in response to Message 39187.  

Hi Ian

I try to keep mine about 85 to 90 degrees for the aircooled boxes.

Anything over 100 is bad for lifespan. Although I personally have not tested that theory for long periods.

Cheers
David
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Message 39198 - Posted: 27 Apr 2010, 14:57:56 UTC
Last modified: 27 Apr 2010, 15:11:42 UTC

....I cant add any more case fans the memclocks at 490 lowest i can get it at would anybody give me an opinion on highest safe temps either youve used or have known to be used ?


The 5xxx cards happily purr away at around 80-85 degrees as a norm, you can force cool to a lower figure, but there is not much point doing so, its what they are designed to run as when working at pretty well full load.

At 100 degrees its time to perk up and do something - definitely too hot :)

At 105 degrees the gpu will start to downclock to protect itself.

At 120 degrees - it will mutter 'screw you', and kick in the thermal cutout to prevent it melting.

I usually use 90 degrees as my "heads up have a look" figure, which gives me plentry of time and space to sort something. Its not going to get near damage until over 100 degrees, even then there is some room to sort things before armagedeon - but very definitely do not ignore 100+, it really is time to do something - before that 90-100 is liveable with in the short term whilst you figure out whats going on.

So you should in all events be safe, however its a brave - and frankly silly - person who lets it run 100 degrees as norm, and downright stupid letting it run over 100 degrees as a norm, thermal cut out or not :)

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Zy
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Message 39216 - Posted: 27 Apr 2010, 19:29:15 UTC - in response to Message 39198.  

Would those temperatures be in centigrade or Fahrenheit?

The default fan settings on my 5850 seems to only kick in full fan at 105 degrees C, however I've adjusted my settings to keep it under 65degrees at all times...

//Svein
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Zydor
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Message 39219 - Posted: 27 Apr 2010, 20:21:15 UTC - in response to Message 39216.  
Last modified: 27 Apr 2010, 20:27:12 UTC

Centigrade

The fan should kick in much earlier .... I would take a second look at that, there *might* be an issue lurking on the card, however kicking in 100% at 105 is at least safe baring in mind it would start to downclock one degree later.

It definitely seems high number to go 100% .... might be worth nipping over to the AMD/ATI forum and checking it out there

EDIT: ATI Forum

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Zy
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Message 39221 - Posted: 27 Apr 2010, 20:34:03 UTC

Just use the manual fan setting in the ATI Catalyst Catalyst Control Centre Overdrive section. Mine is set to 60% max fan speed and the temperature keeps below 65C.
Go away, I was asleep


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Message 39233 - Posted: 28 Apr 2010, 0:27:42 UTC - in response to Message 39221.  

60%? that must sound like a very low altitude multi-engine turboprop be in the house.
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Message 39244 - Posted: 28 Apr 2010, 7:41:55 UTC

Very little noise, as the background mainly comes from my 6 yearold dual Xeon P4 design based server.
Go away, I was asleep


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