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Old 08-08-2010, 01:21 AM   #11 (permalink)
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Default Re: My XFX HD5770 Overclock

I don't think 1137 is too far from the stock voltage. Try it at that, and see if it's stable.
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Old 08-08-2010, 02:22 AM   #12 (permalink)
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Default Re: My XFX HD5770 Overclock

well i got a stable OC @ 1000MHz core and 1400MHz memory. it reaches 72 degrees celcius in crysis max details 4x AA @1280x960 and idles around 45 degrees celcius. is 72 degrees to hot? i dont think it is but some input would be nice.
Thanks to everyone who helped my with this OC, really appreciate it Now time to change my SIG
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Old 08-08-2010, 04:27 AM   #13 (permalink)
 
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Default Re: My XFX HD5770 Overclock

Quote:
Originally Posted by CalcProgrammer1 View Post
That is 900/1300MHz and is the maximum overclock possible without flashing the BIOS.
You don't have to flash the bios to go higher Solved: How To OC Past HD5870 Clock Block in MSI Afterburner
Quote:
Originally Posted by Alive.777 View Post
well i got a stable OC @ 1000MHz core and 1400MHz memory. it reaches 72 degrees celcius in crysis max details 4x AA @1280x960 and idles around 45 degrees celcius. is 72 degrees to hot? i dont think it is but some input would be nice.
Thanks to everyone who helped my with this OC, really appreciate it Now time to change my SIG
Nice What voltage did you end up using?
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Old 08-08-2010, 08:45 AM   #14 (permalink)
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Default Re: My XFX HD5770 Overclock

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Originally Posted by Alive.777 View Post
is 72 degrees to hot? i dont think it is but some input would be nice.
Most graphic cards now are rated up to 90-100C on load. But try to keep it below 80-85.
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Old 08-08-2010, 01:42 PM   #15 (permalink)
 
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Default Re: My XFX HD5770 Overclock

I got Afterburner to overclock above 900 but I left it on overnight (folding) and I woke up to it running at 80C. Afterburner somehow let the voltage increase from 1.174 to 1.649 even though I didn't tell it to. What happened here, I doubt I'll use afterburner if it fries cards like that.
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Old 08-08-2010, 06:12 PM   #16 (permalink)
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Default Re: My XFX HD5770 Overclock

nice clocks!
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Old 08-08-2010, 11:18 PM   #17 (permalink)
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Default Re: My XFX HD5770 Overclock

I ended up using 1.2 volts exactly and it seem pretty stable.
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