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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 263

post #2621 of 38704

Quote:

Originally Posted by Ken1649 View Post

Quote:

Originally Posted by tsm106 View Post

You 7970 guys (me too and I have) should head over to TPU and put a word in the RBE request thread. C'mon put two and two together so Bagz will add 7970 support to RBE sooner than later.
>>>>http://www.techpowerup.com/forums/showthread.php?t=57157

Quote:

Originally Posted by tsm106 View Post

Quote:
Originally Posted by Ken1649 View Post

I don't think it will be any easier for 79xx series. Looks like will need "green light" to be able to pass the multi-lock.......... Remember how we are not able to edit clocks in 6xxx series as in 5xxx or previous series.


You actually can edit clocks, it just won't apply to successive cards in a cfx set. But that isn't even the purpose, it's to give us the ability to set voltage!!! You can override Overdrive limits via the registry as racerx showed us.


1. There's no problem to have higher clock limits of 2000/2500 MHz for core and memory in CCC. This is the tool from AMD; AMD Radeon HD 7970 (reference) Xtreme OC BIOS: http://91.121.148.119/downloads/VGAB...Dec20_2011.exe

 

2. There's OVP (Over Voltage Protection) of fixed +125mV over various types of ASIC. AMD is not going to let average users altering this for simple reason; RMA is killing the business.

 

3. For non average users with extreme cooling (LN2, DICE, Phase, Chiller), can overcome this BIOS locked with simple modding. They know what they are doing and can tap into motherboad (X79) BIOS to alter the 7970 voltage. Here's how to do it; http://www.mediafire.com/?mu5rldjxxapt9w1

 

4. There seem to be ASIC VID mismatched from the 4 identified in Tweak Apps such as Afterburner, Asus Tweak, Trixx (have seen few cases here with very high quality ASICs but bad overclocker). They will come out with fixes without the need of RBE.

 

5. We can now use Afterburner, Trixx, Asus Tweak along with Power Tune +20%.

 

I could be wrong, but couldn't think of a reason for RBE to by pass multi-lock at BIOS level. There's nothing left for average users to modify in BIOS.

 

2cents.gif

 

Above from post #2330


Reply from BAGZZlash redface.gif

 

 http://www.techpowerup.com/forums/showthread.php?t=57157&page=5

Quote:
 Sorry, I'm afraid it's not coming any soon. You see, first of all I don't have a lot of spare time for this at the moment. Second, the structure of the BIOS changed to a noticable degree with the 7xx0 generation cards, so supporting them would be a lot of effort to put in. And third, it's pointless to put in all the effort just to see that the catalyst drivers block any changes to the BIOS anyway.

Well, currently I'm thinking about giving the project out of my hands. What I need is a trustworthy VB6 coder that is skilled to some degree (requirements are not too high) and willing to maintain my (a little sloppy written) code. Maybe you can spread the word and find someone.

 


 

 

 

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post #2622 of 38704
Quote:
Originally Posted by CallsignVega View Post

Has anyone actually seen an appreciable overclock increase going from Afterburners 1.299v (real 1.25v) setting to a true 1.30v?

Who/How has anyone acheived a true 1.3v? I could get past 1190, witha true 1.3
    
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post #2623 of 38704
Quote:
Originally Posted by PARTON View Post

Who/How has anyone acheived a true 1.3v? I could get past 1190, witha true 1.3

No don't think it can be done. Shame as the voltage is holding a lot pf people back I would say.
post #2624 of 38704
It can be done, just not (yet) with BIOS or software.

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post #2626 of 38704
noooo newegg removed the xfx dd ghost card! frown.gif i was waiting for it to go back in stock
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post #2627 of 38704
Quote:
Originally Posted by sockpirate View Post

Well guys here are pictures of my cards, i really dont know why i was having such bad temps, the contact points looked fine on the tim pads and the actual gpu chip itself on both cards, the backplate contact looks fine too. I even put a tiny bit of tim under each pad like the EK directions suggested. What do you guys think? Am i missing something here that is screaming at me and just overlooking it????

Please guys !!! I really wanna figure this out!!!! Will +rep to all that help me figure this out. My temps were really bad like in the 90c on both cards in heaven and idling at around 45-50c.

If your temps immediately jump to 90 when you put load, something isn't set correctly. Not a software setting, but the block itself isn't touching the gpu at all. You may have a card with a slightly different placement of the gpu vertically or with the components on the card holding it slightly higher. If you can, just take it off, completely disassemble and reassemble the block to make sure the seals are in place and undamaged, re-apply tim, and re-install the card. You may want to install it a bit tighter then you did before.

Needless to say, 90+ temps IMMEDIATELY after any load is the card telling you it has zero heat dissipation.
    
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post #2628 of 38704

Nice.
The first HD7950 from Greece again. biggrin.gif
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post #2629 of 38704
Quote:
Originally Posted by zpaf View Post

Nice.
The first HD7950 from Greece again. biggrin.gif

First review I saw was last week in the UK tongue.gif
post #2630 of 38704
Quote:
Originally Posted by DB006 View Post

First review I saw was last week in the UK tongue.gif

link?
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