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7900GT Volt-mod Question

post #1 of 9
Thread Starter 
Due to the suckiness of my BFG, 1.55V brings me only 675Mhz. So are there any other ways for 1.55+V? I only need this card for another year or so and it's only a week old so far, so I'd throw even 1.7V on it if I wish.
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post #2 of 9
Scroll down to "Advance Mod"
post #3 of 9
Make sure your cooling is 'uber-leet' b4 continuing! If your GPU is hitting over 60c now, I would seriously reconsider. Heat build-up inside chips @ high voltages can be to blame for barriers in speed. Thats why you should freeze it!
post #4 of 9
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post
Make sure your cooling is 'uber-leet' b4 continuing! If your GPU is hitting over 60c now, I would seriously reconsider. Heat build-up inside chips @ high voltages can be to blame for barriers in speed. Thats why you should freeze it!
That's why the "Cooling" section should be back in our system specs. Lol.

Of course I have sufficient cooling, currently running 1.55V at >50C in stress test, on low speed on my Thermaltake Tide Water.

Anyway, thanks for the link Jakg, I'll look into it.

*murmurs* f'king slow school computer.......

EDIT: I've just read the "Advanced Mod" section, but I don't think I can solder lol. The only tools I got are a multimeter and a conductive ink dispenser, and even if I do have soldering tools I wouldn't know how to, and even if I know how to I'd probably kill it with my carelessness.
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post #5 of 9
1.7v is the absolute max it goes to - i would try 1.6v to start off with

i must vMod one day - my card has enough cooling!
post #6 of 9
Thread Starter 
Quote:
Originally Posted by Jakg View Post
1.7v is the absolute max it goes to - i would try 1.6v to start off with

i must vMod one day - my card has enough cooling!
You.........you...............you sure? Last time I heard you were still on the stock cooler........

Oh and is soldering the only way to go 1.7V?
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Powder Keg
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post #7 of 9
Yes, i used to have the stock cooler.

Look at the avatar. That + VGA Water Block + RAM Sinks =
post #8 of 9
I think you can get to 1.7v w/o solder...well ALMOST

Read up here
->http://www.xtremesystems.org/forums/...1&d=1143153570

You can remove a resistor and replace it w/ a 50kohm resistor to get to 1.55v, and THEN use the .1 and .15 ground points,{same ones you are using now w/ your ink mod, but only 2, not 3} you will get it to 1.75v.... You will HAVE to learn how to solder if you want to do this, its not that hard. Try on an old card er sumthing. I used a mini-dip switch set to adjust the voltages. Usually I run mine at 1.4v/630mhz. I also made a voltage display that hooks up to the card, but am still trying to find a lower range gauge to increase *visibility-> Gauge->Attachment 36667

{*old mobo and W/C...same card} Molex plug for the hook up to the card.Attachment 36668

{same card..new rig, new W/C} Dip switch voltage selector.Attachment 36669


post #9 of 9
Thread Starter 
That isn't really "almost 1.7V w/o solder"............but man you'd love my old eVGA 7900GT KO if I hadn't fried it, it did 730+Mhz without artifacts on only 1.55V and it's gone.
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Powder Keg
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Intel Core i7 5820K Gigabyte X99M Gaming 5 Sapphire R9 295X2 32GB (4x 8GB) Crucial Ballistix Sport DDR4-2400 
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Koolance VID-AR295X2 Windows 8.1 Pro Dell U3011 Logitech G710+ 
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Cooler Master V750 Bitfenix Phenom Nvidia Edition (debadged) Logitech G700 Corsair MM600 
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