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Voltera Hard Mod

post #1 of 13
Thread Starter 
I'm trying to hard mod my Reference 4890 which uses the Voltera VT1165 for both the core and the memory.





vGPU can be changed with Rivatuner and GPUTool whereas vMem cannot. Because of this, I'm looking to perform a hard mod on the memory at least, but probably both.

The seems to be a bit advanced for me. It looks like a VID mod might be possible, but I need some help.

VT1165M_PROGRAMMABLE_REGULATOR.pdf 748k .pdf file

This was provided to me by Genieben, but I'd like to see where the numbers/locations come from.

attachment.php?attachmentid=19937&d=1309949738





Note: Images from TPU. Thanks!
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post #2 of 13
U no build yourself? tongue.gif

I think this mod is just fooling vsense, so try standard vmod method on vsense+ pin.
But wait for someone to confirm i never tried it that way
post #3 of 13
Quote:
Originally Posted by RRainbo View Post

U no build yourself?
Oooo, interesting. Are you just tapping into the I2C bus? or is it more than that?
    
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post #4 of 13
Thread Starter 
sozo.gif

Nuke... You're one of the few that can help. Do it!
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post #5 of 13
Quote:
Originally Posted by just_nuke_em View Post

Oooo, interesting. Are you just tapping into the I2C bus? or is it more than that?
I programed mcu as master and read&write into the registers in Voltera. Also tried that with fancy 320x240 display. I just tested that I am able to do that on breadboard few months ago. More info about it is in one of zombie threads on KPC.
post #6 of 13
post #7 of 13
Thread Starter 

Not mine, fortunately!
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post #8 of 13

ah.. ok so your is blue PCB then ..gotcha.. wasnt sure from the pics which was what. 

post #9 of 13
Thread Starter 
The blue PCB is just a reference board, which is what mine has as well.
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post #10 of 13
Bass, with the card in a rig, can you go into the folder where the afterburner program is, press Ctrl+Shift+right click > "Open command window here" > type "MSIAfterburner.exe \i2cd"

Wait a few minutes and a window will say something like I2C dump complete, then there should be a text document in the folder named i2cd.txt. Post that file here, I wana take a look at it.
Edited by just_nuke_em - 12/21/12 at 5:20pm
    
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RAMRAMHard DriveCooling
Dominator GT Perfect Storm M4 64Gb Dihydrogen monoxide, Carbon dioxide, Liquid Nit... 
CoolingCoolingOSPower
OCN Marksman pot k|ngp|n F1 Dark pot Stripped Xp Antec 1200W HCP 
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Dimastech Hard 
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