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quick overclocking questions

post #1 of 3
Thread Starter 
so i am using afterburner, msi radeon 7950.

1) power target, we just put to +20 correct?

2) my core clock only shows that it can go up to 1100. is this normal?

3) so i placed my clocks at 1100/1350... and it was only stable when i made i put the vdcc at 1100mv. i dont quite understand how this vdcc works. did i raise my voltages at all? because people keep saying that stock voltages go up to 1.25v... so i dont know what i effectively just did. but it would crash all the time, if i reset this vddc back to what it was. so is this voltage slider just letting me set what voltage it is currently running at and not really setting it any higher than it really could be? i'm so confused....

4) what needs to be done for me to try going higher than 1100?

thanks!
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Death Tyrant
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post #2 of 3
You need to enable the unofficial overclocking mode in MSI Afterburner to have higher adjustment ranges. Look it up.
post #3 of 3
To unlock the Afterburner sliders simply:

-Put /xcl in the msi afterburner shortcut target field (right click the short cut on desktop, properties, shortcut, "C:\Program Files (x86)\MSI Afterburner\MSIAfterburner.exe" and then put /xcl after hitting space)

-Click ok and apply

-Reboot the computer, remove /xcl from the target field after rebooting, start the Afterburner

-Done!


VDCC is the actual voltage, that 1,25V in software (afterburner) is the voltage your telling the card to run at, for example I have set the voltage @ 1,106V, still under full load its ~1,02-1,03V.
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600k @4,5GHz @1,336V Asus P8Z68-V/Gen3 MSI HD7950 TFIII @1150/1500Mhz@1,1v  8gb Team group Vulcan 2133MHz 
Hard DriveHard DriveOptical DriveCooling
Samsung spinpoint F3 1TB WD Caviar blue 1TB LG Coolink Corator DS 
OSMonitorKeyboardPower
Win7 home 64bit BENQ G2320HDB @72Hz 4+ years old fujitsu siemens XFX core edition pro 750w 
CaseMouseMouse Pad
Antec 300 ultimate Logitech G5 steelseries WOW-edition 
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