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6850 Voltage Regulator heatsink (pics)

post #1 of 4
Thread Starter 
I have version 2 of this card. it has 2 - 6 pin power connectors. i am trying to hit 1200mhz GPU. my voltage regulator has no heatsink. how much vcore do you guys think it can handle? i called asus and they were useless, in fact i couldve answered my own question better then they did. smart doctor allows me 1.23v. without a heatsink how much vcore do u guys think it can take?
please dont recommend any other overclocking software as smartdoc supports my bios directly.
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post #2 of 4
It's hard to say, you might want to see if you can get the serial number of those regulators, look em up and see the max temps they can operate on, after which you could probe the temps and add voltage untill the max is reached (a max temp is always a little lower then it's real max).

Still, it's dangerous to do that without any cooling whatsoever. Even my old 8800gt used to have em stuck to the heatsink.
It might not be useless to see if you can find any heatsinks. Small factor Mosfet heatsinks could bring you a far way.
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My beloved system
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Q6600 @ 3.4 (1.4V) GA-P35-DS3 MSI Twin Frozr II/OC GTX560 Ti 2GB OCZ DDR2 800Mhz 
Hard DriveOptical DriveOSMonitor
80GB raptor + 160GB SG + 500GB SG DL Super Writemaster Vista Home 32bit 226BW SyncMaster Samsung 22" 
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post #3 of 4
Thread Starter 
Quote:
Originally Posted by llama16 View Post
It's hard to say, you might want to see if you can get the serial number of those regulators, look em up and see the max temps they can operate on, after which you could probe the temps and add voltage untill the max is reached (a max temp is always a little lower then it's real max).

Still, it's dangerous to do that without any cooling whatsoever. Even my old 8800gt used to have em stuck to the heatsink.
It might not be useless to see if you can find any heatsinks. Small factor Mosfet heatsinks could bring you a far way.
i just ordered some heatsinks for the asus 6870, it will fit on my board aswell. i was going to make one myself lol but id rather play is safer lol
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post #4 of 4
Well great, then you shouldn't worry so much about upping the voltage with .00000, allthough don't go crazy, those things run incredibly hot, even it they are allowed to.

Search some benchmarks online about that card and see how far other take it, it'll give you an idea about what is exactly the difference between a little and too much
My beloved system
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CPUMotherboardGraphicsRAM
Q6600 @ 3.4 (1.4V) GA-P35-DS3 MSI Twin Frozr II/OC GTX560 Ti 2GB OCZ DDR2 800Mhz 
Hard DriveOptical DriveOSMonitor
80GB raptor + 160GB SG + 500GB SG DL Super Writemaster Vista Home 32bit 226BW SyncMaster Samsung 22" 
KeyboardPowerCaseMouse
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My beloved system
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CPUMotherboardGraphicsRAM
Q6600 @ 3.4 (1.4V) GA-P35-DS3 MSI Twin Frozr II/OC GTX560 Ti 2GB OCZ DDR2 800Mhz 
Hard DriveOptical DriveOSMonitor
80GB raptor + 160GB SG + 500GB SG DL Super Writemaster Vista Home 32bit 226BW SyncMaster Samsung 22" 
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