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[Overclocking Assitance Needed] For Dual Sapphire 7850 2GB OC Cards

post #1 of 2
Thread Starter 
Hello Guys,

To start with I'm a newbie overclocker and I need some help overclocking my Sapphire 7850 OC version cards (Both 2GB versions) which are running in crossfire mode. The Base clocks of my cards are like this; GPU: 920 and Memory: 1250 with base voltage of 1.138v. I can overclock my cards to GPU: 1050 and Memory: 1450 without increasing voltage and use them like that in daily usage with no problem. But anything above 1050 and 1450 crashes the cards even if increase the voltage to 1.2 volts. I don't know what should i or shouldn't i do about the voltage but I really want GPU: 1100 and Memory: 1500 or even beyond if it is possible. I need some help keeping them stable at higher clock rates. If anyone has a suggestion to help me I would love to hear it. Thank you in advance. Cheers!

PS: I have a good airflow in my case with 4x 140mm fans intake (5 with H80i fans) and 2x 140mm exhausts on top of my case I think I can keep them cool or at least i think so smile.gif
post #2 of 2
You cards voltages might be locked up to 1.225. For additional control, you might have to flash the bios. But, first, you should try to overclock with Sapphire Trixx utility as that is the only program that allows me to overclock my cards beyond the 1050Mhz limit. You'd first have to disable ULPS and then proceed to make the changes.
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