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Discussion Starter #1
ok so im using ATT to OC my card i have it at 688/824 with core voltage at 1.5500 and memory voltage at 2.0861 (keep in mind those settings are only for when im playing 3D applications.<br />
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Now what do you guys think safe core/mem voltages are for this card?<br />
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also when im at load my card hits about 85c core and 60mem, is that too high? <br />
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I heard that the X1900 series cards are ment to go into the 90C and be ok.
 

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Think those voltages are getting a bit high, esp. core.<br />
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Temps are ok; these cards can indeed deal with high temps. You don't have too much headroom left though.... You definately should stay below 95C or so.
 

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Discussion Starter #3
ok but what about the voltages? <br />
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I was thinking maybe i could lower the volts a little and will still be stable at those speeds, and maybe lower volts will drop temps a little.
 

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As I said, the volts are a little high for my taste <img src="/images/smilies/smile.gif" border="0" alt="" title="Smile" class="inlineimg" /> Drop them a little (core esp.) and see if it remains stable.
 

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Discussion Starter #5
When looking at the pic below speed fan said the bottom Core was at 69C. <br />
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Im not sure exaclty what core that is though, but im guessing my video card?<br />
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Is it bad for it to be that high?<br />
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<img src="http://i57.photobucket.com/albums/g207/specops2/OCingpic.jpg" border="0" alt="" onload="NcodeImageResizer.createOn(this);" /><br />
sorry it isnt a thumb wasnt sure how to do it.
 

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I think Speedfan uses that sensor for Core 2 Duo CPUs. <br />
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YOur video card can handle really high temperatures. I think they're spec-ed to handle up to a hair over 100C(!). I would stay below 90C myself, preferable a whole lot lower, like 75C. I use ATITool to measure temps myself. ATT does not measure temps?
 

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Discussion Starter #7
ATT does, look at the ATT panel to the right in that pic. towards the bottom left it has temp settings.<br />
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It says GPU 78 and ENV(im not reallly sure what that means lol) 56<br />
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Now i have a new question though, when i start up my games now sometimes my monitor says something like "out of range frequency" Does anybody know what could be causing this?<br />
Im guessing its either i have my Video card overclocked to high or my voltages are to low.
 

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Out of Range Frequency generally means that your video card is sending a refresh rate to the monitor which the monitor does not support. Thus, if your monitor supports a max refresh rate of 70Hz, and you send 75Hz to it, the monitor will respond with that message.
 

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Don't forget that you're unable to monitor the video memory temperatures. I often see people slowly killing their cards because they push the video memory too high. You can tell those that have because their OCs slowly diminish over time....
 

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Discussion Starter #10
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<div style="font-style:italic">Don't forget that you're unable to monitor the video memory temperatures. I often see people slowly killing their cards because they push the video memory too high. You can tell those that have because their OCs slowly diminish over time....</div>

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</div>what would you suggest i stop at when OC my memory on my 1900XT? i have the voltages at stock.
 

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<div style="margin:20px; margin-top:5px; ">
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what would you suggest i stop at when OC my memory on my 1900XT? i have the voltages at stock.

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</div>I have the same question.
 

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<div style="margin:20px; margin-top:5px; ">
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Originally Posted by <strong>hhsmiley</strong>

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<div style="font-style:italic">I have the same question.</div>

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</div>So do I, although mine's a GT, but runs on the same stock mem voltage. I'm currently running the mem on 2.3023 and wondering if I should go more. <img src="/images/smilies/confused.gif" border="0" alt="" title="Confused" class="inlineimg" />
 

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Originally Posted by <strong>NuclearCrap</strong>

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<div style="font-style:italic">So do I, although mine's a GT, but runs on the same stock mem voltage. I'm currently running the mem on 2.3023 and wondering if I should go more. <img src="/images/smilies/confused.gif" border="0" alt="" title="Confused" class="inlineimg" /></div>

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</div>At 2.3 no, probably not
 

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Originally Posted by <strong>Mister Crowley</strong>

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<div style="font-style:italic">At 2.3 no, probably not</div>

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</div>What about the core? I'm on 1.575V and it's underwater. <br />
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And I've got passive cooling on the memory chips, Swiftech MC14 ramsinks with a 120mm on side panel blowing at them where the blown-in air would escape via the rear of the case. Would a tiny bit more on the mem cause massacre?
 
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