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Playing with voltage Zotac GTX 770

post #1 of 3
Thread Starter 
Hey,

I tried the skyn3t bios here for the zotac gtx 770 4GB:
http://www.overclock.net/t/1396319/official-gtx-770-owners-club

My stock voltage underload is 1.187 V but with the modded BIOS I get 1.175 V (reading with GPU-Z).

Now, I would like to get something around 1.2-1.23 for every day use and bench with 1.3 V. I wonder how I should mod my stock BIOS to get that. I changed in the kepler BIOS tweaker in the voltage table the first value (default is 1250.0mV - 1250.0mV) and it didn't change anything.

edit: looks like I am able to get 1.212 V !
Edited by Just a nickname - 3/15/14 at 12:15pm
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post #2 of 3
Thread Starter 
Seems like the voltage can't go above 1.212 V which is also the limit of 12mV in afterburner......

Stock voltage is 1.187 V and at +12mV the reading on gpu-z is 1.212 V which is the same value when I tweak the BIOS. Even with the tweaked BIOS, afterburner won't apply the +12mV to give me something above 1.212 V frown.gif
Edited by Just a nickname - 3/15/14 at 2:53pm
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CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
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Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
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CPUMotherboardGraphicsRAM
i7-4790k MSI Z97 Gaming 5 Sapphire R9 290X Tri-X 2x8gb ADATA 2133MHz CL10 
Hard DriveCoolingOSKeyboard
Mushkin 1 TB SSD & Samsung F3 spinpoint 1 TB MCP655A + 2 x MCP320 + EK supreme copper Win10 Corsair K70 Lux 
PowerCaseMouse
Corsair 750W Bitphenix Monstrous water cooling case Logitech G9X 
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post #3 of 3
I have the exakt same problem.. hope someone comes up with a solution soon.
I can go to 1293MHz boost but just can't seem to get stable on 1306Mhz. Tried unlocked bios.. didn't get me there.
I think the card wants more voltage.
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