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Overclocked sapphire 1900xt help please.

post #1 of 12
Thread Starter 
I overclocked it, and tried to open a video the screen turned green with pink lines, so i rebooted and set back to factory speeds. anyone know the cause of this, and can someone recommend some safe overclock values with the stock cooler.
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post #2 of 12
Those are called artifacts, it mostly happens when the card is going to die or if it overheats from OCing too far, get a cooler like the Zalman VF-900 and they will help you OC further
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post #3 of 12
These kind of artifacts can also be caused by a lack of voltage. Did you boost the vgpu some? x1900xtx core clock speed likes 1.425, you should be able to get around 700mhz with the stock cooler at around 1.46v.
    
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post #4 of 12
Quote:
Originally Posted by Mister Crowley
These kind of artifacts can also be caused by a lack of voltage. Did you boost the vgpu some? x1900xtx core clock speed likes 1.425, you should be able to get around 700mhz with the stock cooler at around 1.46v.
??? Your telling him to raise the voltage, and overclock it, all while still using a stock cooler. The card will just overheat and cause the same problem that hes having. If not just fry it. And have you told him how to raise the voltage, its not like overclocking a cpu, you cant just go raise a value for a gpu like you can a cpu in teh bios. Should you be held responsible when his card goes up in smoke?
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post #5 of 12
Quote:
Originally Posted by pbasil1
??? Your telling him to raise the voltage, and overclock it, all while still using a stock cooler. The card will just overheat and cause the same problem that hes having. If not just fry it. And have you told him how to raise the voltage, its not like overclocking a cpu, you cant just go raise a value for a gpu like you can a cpu in teh bios. Should you be held responsible when his card goes up in smoke?
That is exactly what I told him, and having owned both an x1900 xt and xtx, that was some good advice. X1900xt like added voltage and the stock cooler is a heavy copper heatsink that can keep things plenty cool. These cores can withstand temps as high as 90C by the way.

Mind your own business if you don't have anything to contribute.
    
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post #6 of 12
I think on stock cooler, you should just chose max gpu/max memory. Let it tell you. Once you have an aftermarket cooler it should help you go higher
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post #7 of 12
Quote:
Originally Posted by Kopi
I think on stock cooler, you should just chose max gpu/max memory. Let it tell you. Once you have an aftermarket cooler it should help you go higher
It doesn't work this way with x1900 and x1800 cards, you have to set your 3d voltage in the first place, as the vgpu is much lower in 2d mode. For x1900xtx gpu clock speed you set it to 1.425 volts. x1900xt 3d mode vgpu is 1.4
    
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post #8 of 12
Quote:
Originally Posted by Mister Crowley
That is exactly what I told him, and having owned both an x1900 xt and xtx, that was some good advice. X1900xt like added voltage and the stock cooler is a heavy copper heatsink that can keep things plenty cool. These cores can withstand temps as high as 90C by the way.

Mind your own business if you don't have anything to contribute.
I am sceptical of your knowlage and advice. I dont think a stock cooler on ANY card will be sufficient enough for overvolting the core. He should just overclock it to the max it can handle with stock volts untill an aftermarket cooler has been installed. But hell, if you want to keep giving out risky advice, be my geust, just be prepared to hear about it when they thank you for killing their hardware from your advice.
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post #9 of 12
Quote:
Originally Posted by pbasil1
I am sceptical of your knowlage and advice. I dont think a stock cooler on ANY card will be sufficient enough for overvolting the core. He should just overclock it to the max it can handle with stock volts untill an aftermarket cooler has been installed. But hell, if you want to keep giving out risky advice, be my geust, just be prepared to hear about it when they thank you for killing their hardware from your advice.
If you do a little research on overclocking x1900xt and x1900xtx you will find that these cards really are "the bomb" and that you can overclock them significantly by raising fan speeds and voltage. The xt and xtx are mostly identical and you can take the gpu clock up to around 700mhz on most cards.

Keep you skepticism to yourself. Nvidia ripped you off.
    
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post #10 of 12
Thread Starter 
Thank you all for the help, but I barely overclocked like 610/ 620 i believe
, also how do I tell if im overclocking the 2d or 3d doesnt say that anywhere, maybe ill leave at stock til i learn more about this hmm
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Little Smoky
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