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 Post subject: Increasing the 8800GTX core voltage
 Post Posted: June 8th, 2007, 4:29 pm 
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Joined: May 24th, 2007, 6:43 pm
Posts: 18
Location: Nelson, New Zealand
Does anyone have any personal experience of successfully increasing the GPU core voltage on the 8800GTX reference design card?

I have made a quick search on the net, but the info seems a bit confused.

_________________
Current system, the "M5":

Core 2 Q6600 o/c'd to 3.2GHz
P5G Deluxe m/b
2GB Corsair Dominator 8500C5D at DDR2-950 MHz
Apex Ultra H20-220 water cooling
8800GTX GPU with Stealth water cooling o/c'd to 648/1053
RAID 0 hard drive array
X-Fi XtremeGamer sound card


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 Post subject:
 Post Posted: June 8th, 2007, 5:13 pm 
 
We do voltage mods here at Swiftech all the time.
Scroll down this page and you'll see what it takes to get it done.
http://www.vr-zone.com/?i=4296&s=1

Hope your a good solderer. :D

OPP


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 Post subject: Volt modding the 8800
 Post Posted: June 8th, 2007, 7:09 pm 
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Joined: May 24th, 2007, 6:43 pm
Posts: 18
Location: Nelson, New Zealand
Thanks Erik,

I did see that page, but I also found another post somewhere claiming that it was incorrect. The argument was that the existing resistor is a 470 Ohm, and soldering another resistor of similar value in parallel will effectively halve the resistance.
However, looking at it again, I'm not sure that they are instructing you to put a variable resistor in parallel, but between this resistor and ground potential. Can you confirm this?

Dave

_________________
Current system, the "M5":

Core 2 Q6600 o/c'd to 3.2GHz
P5G Deluxe m/b
2GB Corsair Dominator 8500C5D at DDR2-950 MHz
Apex Ultra H20-220 water cooling
8800GTX GPU with Stealth water cooling o/c'd to 648/1053
RAID 0 hard drive array
X-Fi XtremeGamer sound card


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 Profile  
 
 Post subject: Re: Volt modding the 8800
 Post Posted: June 14th, 2007, 2:21 pm 
 
aguafria wrote:
Thanks Erik,

I did see that page, but I also found another post somewhere claiming that it was incorrect. The argument was that the existing resistor is a 470 Ohm, and soldering another resistor of similar value in parallel will effectively halve the resistance.
However, looking at it again, I'm not sure that they are instructing you to put a variable resistor in parallel, but between this resistor and ground potential. Can you confirm this?

Dave


Dave, all I can say is that it has worked for me on all the 8800GTX cards I have used with no ill effects whatsoever.

OPP


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