Overclock.net › Forums › Graphics Cards › AMD/ATI › ATI Drivers and Overclocking Software › [Important] MSI Afterburner 3.0.0 Beta 7 features 7870 XT Voltage Control
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[Important] MSI Afterburner 3.0.0 Beta 7 features 7870 XT Voltage Control

post #1 of 29
Thread Starter 
Voltage support has been added to MSI Afterburner 3.0.0 Beta 7. Skip these steps and download beta 7 from here:

http://www.guru3d.com/files_details/msi_afterburner_beta_download.html

Quote:
Originally Posted by Mates Rates View Post

Voltage control can be unlocked for the 7870 Tahiti Cards by following these simple steps.


1. Navigate to your MSI Afterburner installation folder.

\Program Files (x86)\MSI Afterburner


2. Open RTCore.cfg


3. Find the line bestowing the following:

RV1070 = 6798h,679Ah

and change it to:

RV1070 = 6798h,679Ah,679Eh


4. Navigate to your MSI Afterburner installation folder. And open the folder labeled 'Profiles'

\Program Files (x86)\MSI Afterburner\Profiles


5. Open VEN_xxxxxx.cfg


6. Under settings add the following:

[Settings]
VDDC_CHL8228_Detection = 6:30h
VDDC_CHL8228_Defaults = C8 88
VDDC_CHL8228_VIDReadback = 0


7. In MSI Afterburner enable the following:

Unlock voltage control
Unlock voltage monitoring


8. Restart your computer and Afterburner should now display your voltage value.


PROOF


Edited by Mates Rates - 3/14/13 at 2:20am
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post #2 of 29
and for sapphire 7870 ??
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post #3 of 29
Thread Starter 
Quote:
Originally Posted by sunnyFTW View Post

and for sapphire 7870 ??

Is it a tahiti card? I know the 7870 Sapphire tahiti has the same vchip as all the other tahiti cards, so it should work.
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post #4 of 29
Quote:
Originally Posted by sunnyFTW View Post

and for sapphire 7870 ??

i also would love to see afterburner supportung my sapphire 7850. But i can't set voltage there.
post #5 of 29
Quote:
Originally Posted by Mates Rates View Post

Is it a tahiti card? I know the 7870 Sapphire tahiti has the same vchip as all the other tahiti cards, so it should work.

nope non tahiti version :\
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post #6 of 29
Thread Starter 
Quote:
Originally Posted by sunnyFTW View Post

nope non tahiti version :\

Do you know what voltage chip it uses?
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post #7 of 29
Quote:
Originally Posted by Mates Rates View Post

Do you know what voltage chip it uses?

1.219 (stock volts) btw i can only push my 7870 @ 1120/1330 mhz with out crashing it mad.gif
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post #8 of 29
too many tabs open wrong thread rolleyes.gif
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post #9 of 29

So will this force constant voltage on these cards 24/7? What's the default voltage for the 7870 XT and what's a overclocking voltage for normal usage?

    
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post #10 of 29
Thread Starter 
Quote:
Originally Posted by eBombzor View Post

So will this force constant voltage on these cards 24/7? What's the default voltage for the 7870 XT and what's a overclocking voltage for normal usage?

Yes it forces constant voltage 24/7. Default voltage according to afterburner after a reset is 1156. It's a Tahiti based card, same chip inside the 7900 series. The folks who own those cards recommend staying under 1.25v as a safe 24/7 oc.
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