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ATI Hd 7950/7970 bios mod thread - Page 74

post #731 of 1284
Quote:
Originally Posted by kahboom View Post

What were your stable clocks before? Was it the same or similar? Was it running higher clocks and was it pulling the 570-600KH/s? Looking for clock to same clock to see what the increase would be. Also looking to see what a comparable clock would be from stock to nodded bios for the same KH/s.

Stable clocks were 1050/1565 about 570-620 MH/s before.
Stock clock are 1050/1500 520-550 MH/s.
Earlier today when the room was cooler I ran the 1100/1600 for 720 MH/s as the room has heated up the card was unable to sustain higher clocks even though the GPU-CPU temp was only at 68C.

It's weird D3 can run at 1050/1600 without freezing for hours on end. FF14:ARR Freezes within 30 min. Mining freezes at about 45 min. Everything is rock solid at 1050/1565. What ever you did with 1510 helped alot cause it wouldn't do anything for more than 2 min before at 1600 MHz timing before. It's weird I researched the memory chips in this module and they are capable of 1.5v. I think the VRM cooling is the issue as it the major flaw on this cooler. I'm currently trying to find the money to put an XFX Heatkiller block and loop on this card.
Edited by SoloSolider - 4/3/14 at 9:04am
post #732 of 1284
Thread Starter 
Quote:
Originally Posted by SoloSolider View Post

Stable clocks were 1050/1565 about 570-620 MH/s before.
Stock clock are 1050/1500 520-550 MH/s.
Earlier today when the room was cooler I ran the 1100/1600 for 720 MH/s as the room has heated up the card was unable to sustain higher clocks even though the GPU-CPU temp was only at 68C.

It's weird D3 can run at 1050/1600 without freezing for hours on end. FF14:ARR Freezes within 30 min. Mining freezes at about 45 min. Everything is rock solid at 1050/1565. What ever you did with 1510 helped alot cause it would do anything for more than 2 min before at 1600 MHz timing before. It's weird I researched the memory chips in this module and they are capable of 1.5v. I think the VRM cooling is the issue as it the major flaw on this cooler. I'm currently trying to find the money to put an XFX Heatkiller block and loop on this card.
Yeah there's more things I will try when I get off work in the morning, I'll send another updated bios to you.
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post #733 of 1284
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post #734 of 1284
Attached is just the quick bench check. Can't really give her the run of the mill. St. Louis is getting bad storms and power is on and off.

post #735 of 1284
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Yeah, test it when your able too and let me know how it does.
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post #736 of 1284
Quote:
Originally Posted by kahboom View Post

Yeah, test it when your able too and let me know how it does.

Mining well at 1100/1625 @ 1.213v getting about 690-720KH/s which is better than 1510. Seems stable but I have not done a very long test. Also works great in D3. Off to try FF14:ARR.

Update: Played FF14:ARR a lot longer than usual on OC 1100/1625. Lasted about 20 min, then got some texture corruption then about 10 min after that she locked up. What ever your doing is making it more and more stable!
Edited by SoloSolider - 4/4/14 at 8:54am
post #737 of 1284
Thread Starter 
What ram voltage is running for your stock bios?
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post #738 of 1284
Quote:
Originally Posted by CyberWolf575 View Post

Tahiti.zip 41k .zip file Hi, so I have a Saphire 7950 Boost, and my gpu constantly jumps around in games from 501mz-925 and never stays the same. It is really annoying as it makes my games stutter and fps drop. I was wondering if there is a way to fix this in the bios? How could I force it to stay at it's highest value at all times. I know this card can overclock well, but this constant clock jumping is killing me. Temps are fine, they have never reached higher than 74.
This ONLY happens when the gpu reaches 99-100% usage. If it is even at 95% usage, the clocks are always at its highest, the SECOND it reaches 99-100% usage and the gpu clocks drop causing my fps to drop like crazy.

try this: biggrin.gif try6Sap795.zip 40k .zip file this works with my Sapphire 7950 ..it's tuned to not drop fps.
 
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post #739 of 1284
Thread Starter 
XFXRoms.zip 124k .zip file While XFX1530 is tighter timings, XFX1540 has been loose'nd and so has XFX1545 to try and make 1600+ mhz run on your stock voltage.
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post #740 of 1284
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Quote:
Originally Posted by Schmuckley View Post

try this: biggrin.gif try6Sap795.zip 40k .zip file this works with my Sapphire 7950 ..it's tuned to not drop fps.
Sap4414.zip 42k .zip file Try these
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