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Old January 10, 2010, 01:20 PM
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Default 4890 big change in temps

Hi,

I've got my HD4890 heavily underclocked for when I'm doing 2d stuff and I am noticing a a raise in temperature compared to what it normally is.

Here is the underclock:
GPU clock: 500mhz
Memory clock: 490mhz

Here are the current values:
GPU clock: 500mhz
Memory clock: 975mhz
Temperature: 69 C

What I notice right there is that the GPU doesn't underclock further when idle (it should be at 240mhz if I remember properly) and the memory... the memory doesn't do what its supposed to do.

The temperature used to be somewhere around 52-54 C with those settings (all working properly).

I recently went away from the RC version of win 7 to win 7 Home Premium, not sure if it could be linked to that.
Not too sure for how long this has been going on, but normally its not like that. Am I missing something ?
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Old January 10, 2010, 10:41 PM
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does the 48 series not have power play where it runs the clocks at like 157 and 300?
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Old January 11, 2010, 04:33 AM
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Quote:
Originally Posted by cozmosland View Post
does the 48 series not have power play where it runs the clocks at like 157 and 300?
It does (not exactly at those speeds), but somehow now it doesn't do it anymore and I am confused as to why.
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Old January 14, 2010, 12:39 PM
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Did you download the latest drivers from the website or are you just using the drivers that came with Windows 7? I ask because for the longest time, I didn't bother getting the real drivers since I wasn't doing heavy GPU related things and the ones that came with Windows 7 gave me max resolution already.
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Old January 14, 2010, 03:31 PM
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yeah, I'd try reinstalling with some new drivers.. my 4890 hasn't experienced these issues... yet.
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Old January 14, 2010, 07:03 PM
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Everything was properly installed but for some unknown reasons after a system restart everything went back to normal.
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Old January 18, 2010, 04:28 AM
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hmm ok i thought it had it since i used to own one, those are the powerplay clocks my 5770 does.
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Old January 18, 2010, 05:26 AM
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One thing I've noticed about win7. If something isn't working the way it normally does. Reboot.
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