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Powercolor 6950 (NOT PCS++) Can't Adjust Voltage?

post #1 of 17
Thread Starter 
Hey guys,

I have two Powercolor 6950s (non-PCS++) 2GB running in Crossfire and I can't seem to adjust the voltage for them using MSI Afterburner (tried Beta 7 and final 2.1.0.)

I'm using my Powercolor BIOS modded for unlocked shaders and NOT the 6970 BIOS.

Everytime I adjust my voltage in Afterburner and go into Kombuster, my VDDC is always 1.100V, no matter what I set it at.

I also tried using a different BIOS such as Asus and the results are still the same, I can't move the voltage :\\

What am I doing wrong?
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post #2 of 17
Set UnofficialOverclocking to "2" and set the EULA as well.
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post #3 of 17
flash both to an MSI 6970 bios.
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post #4 of 17
Quote:
Originally Posted by ghost55 View Post
flash both to an MSI 6970 bios.
Wouldn't it make it unable to change voltage, like others have said?
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post #5 of 17
Have you gone into settings and unlocked voltage control?..
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post #6 of 17
Try Sapphire Trixx, you can overvolt most non reference cards with it.
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post #7 of 17
Thread Starter 
Quote:
Originally Posted by dcyli View Post
Have you gone into settings and unlocked voltage control?..
Yes I have. Still no go.

Quote:
Try Sapphire Trixx, you can overvolt most non reference cards with it.
No, do you have a link? I can't download it without entering a serial number
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7-960 Gigabyte X58-UD3R Dual Powercolor Radeon HD 6950s 6GB Triple Channel DDR3 
Hard DriveOSMonitorPower
1TB 6GB/s SATA Windows 7 Ultimate 64-bit ASUS VH242H - 24" Raidmax 850-AE - 850W 
Case
Cooler Master HAF-X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7-960 Gigabyte X58-UD3R Dual Powercolor Radeon HD 6950s 6GB Triple Channel DDR3 
Hard DriveOSMonitorPower
1TB 6GB/s SATA Windows 7 Ultimate 64-bit ASUS VH242H - 24" Raidmax 850-AE - 850W 
Case
Cooler Master HAF-X 
  hide details  
Reply
post #8 of 17
Quote:
Originally Posted by Davidsen View Post
Wouldn't it make it unable to change voltage, like others have said?
no. the MSI bios is better for overvolting then the powercolor one.
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Don't Panic
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CPUMotherboardGraphicsRAM
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post #9 of 17
What are your settings in the ATIADLHAL? Set the UnofficialOverclocking to "2" to disable powerplay settings.

Worked for me when my OC's wouldn't apply.
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Phenom II X2 550 - [3.1GHz] Asus M4A78LT-M Sapphire Radeon HD 7850 @stock Kingston HyperX 2x2GB 
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Stock
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CPUMotherboardGraphicsRAM
Phenom II X2 550 - [3.1GHz] Asus M4A78LT-M Sapphire Radeon HD 7850 @stock Kingston HyperX 2x2GB 
Hard DriveCoolingOSKeyboard
1x 1TB HDD & 2x 100GB SSDs RAID0 Scythe Katana 4 Win 7 64bit Logitech K200 
PowerCaseMouse
Corsair TX850W Chieftec Design TT Theron 
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post #10 of 17
Quote:
Originally Posted by Conjuror View Post
Yes I have. Still no go.



No, do you have a link? I can't download it without entering a serial number
Darn.. That was what happened to me when I first tried ocing mine.
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CPUMotherboardGraphicsRAM
[intel] i7 4790k [Asus] Maximus VII Impact [AMD] R9 Fury X [Crucial] Ballistix Sport VLP 16 GB Kit 
Hard DriveCoolingOSMonitor
[Samsung] SM951 M.2 256GB Custom Watercooling Windows 10 [Samsung] S27A950D 27" 120hz 
KeyboardPowerCaseMouse
[Filco] Ninja Majestouch-2 Athena Power AP-MFATX50P8 500W FlexATX Lian Li PC Q-12 [Mad Catz] R.A.T. 7 
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Serenity
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Singularity
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CPUMotherboardGraphicsRAM
[intel] i7 4790k [Asus] Maximus VII Impact [AMD] R9 Fury X [Crucial] Ballistix Sport VLP 16 GB Kit 
Hard DriveCoolingOSMonitor
[Samsung] SM951 M.2 256GB Custom Watercooling Windows 10 [Samsung] S27A950D 27" 120hz 
KeyboardPowerCaseMouse
[Filco] Ninja Majestouch-2 Athena Power AP-MFATX50P8 500W FlexATX Lian Li PC Q-12 [Mad Catz] R.A.T. 7 
Mouse Pad
[Razer] Goliathus 
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