Unlock and OC that 6950 TF3/ Twin Frozr III- the definitive guide! - Page 32

I have the TF3 6950 2GB as well, does flashing work with Atiwinflash (in windows, not dos)? I couldnt unlock the shaders with atiwinflash in windows but it stood at 1408 shaders. Should it work in dosmode?

I assume you know it worked if you have 1536 shaders showing in GPU-Z?

Just tried this on two cards, and if that's the case, it worked on both to my surprise.

Tried under dosmode as well, the card remained @ 1408 shaders. I could go higher OC'ing, but I dont see the point of it anymore in CF-setup. Definitly laser-cutted. But does anyone have the silent profile bios? Preferably at 1408 shaders..

I have never paid much attention to the factory fan profile or the moded bios fan profile...I have always used afterburner to adjust fan speeds using user defined fan settings.

this is the perfect thread for my question... I havent been able to get an answer from anyone on this yet...

I have a 6950 2gb MSI ref... unlocked the shaders keeping my original bios... Now my question is... if im adding +20% powertune, and disabled the ULPS, and in afterburner took off powerplay by choosing "2" in the unofficial oc mode... is it still "safe" to say oc to 920/1350/1.18v ??? As long as my temps are ok will I be fine? Im getting 65c vcore full load and 70-73c on the vram... Im just worried because it seemed pretty stable at 1.185v and i kept the clock the same and bumped up .005v to 1.19v and boom first run in 3dmark11 BIG CRASH... I'm worried to underpower the card by keeping power tune @+0%
but also worried with +20% and ULPS + Powerplay turned off... I just want a "safe" setting around 900-920 ... again if my temps are ok do I need not to worry about the card / ram pulling too many watts?

Please help me here, I have posted on 5+ different sites and haven't received a single reply... Im kinda new to OC GPUS but comfortable OC PCs so Im not total Noob but because I did the shader unlock and it requiring some more power, Im kinda thrown for a loop here...I know the upper "safe/ok" volts is around 1.2v not much more then 1.25... I haven't gone further then 1.19v just to stay clear but im wondering if the Clock+1.18v-2.0v + Powertune @ +20%, + disabling both ULPS and PowerPlay is wacking the card with too much power draw... Again temps are fine but I don't know how over watt-ing a card effects it...

I would be so appreciative for some direction here... I dont want to turn all the caps back on and go to 870 on stock volts... I think Im seeing an artifact here or there at the 920/1.18v setting but am afraid with all these factors to push into 1.2v until Im sure things aren't Adding up on Each other where i read 1.2 - 1.25v is "ok" but with my config it turns out not to be... Thanks for any reply.
Edited by Likewise - 8/2/12 at 7:17pm

stock clocks idle temp (Click to show) this is with stock settings 850/1300 1.14v
idle temps w/ oc'd AB settings (Click to show) this is with gaming settings 950/1400 1.25 +10mv on mem and aux
OC settings Prime95 Kombuster in Fullscreen (Click to show) this is with gaming settings 950/1400 1.25 +10mv on mem and aux
HWInfo64(shows shader temps) w/ prime95 Kombuster GPU oc'd (Click to show) this is with gaming settings 950/1400 1.25 +10mv on mem and aux

My suggestion from personal experience is that I have three settings for my TF3 (reference cards will run hotter by 20% according to MSI)
1. stock for everything except gaming or benchmarking
2. Gaming settings
3.Benchmarking settings...this requires the use of higher core voltage and powertune at +20

The pictures show various temps and most where taken with 75 f room temps, but i had a different processor for the hwmonitor64 readings. You can use these as a reference of what the 6950 can do. I run core voltage anywhere from 1.14 to 1.27, and my temps usually stay in the 60's at 50% fan speed well gaming on OC'ed settings, granted the TF3 has the best cooler around, so yours will be higher at these clocks/volts. I always try to keep the cards below 80 c, and some of my older cards would even run up in the 90's (5750 yeah old school). I have been running these settings for well over a year know with no issues.

You will find something interesting when looking at the shader temps in the HWmonitor64 shot. One card has unlocked shaders, the other is laser cut from the factory it still has 1408. The temperature change is very noticeable. At some point i plan to replace the factory thermal paste to help with that temp.

Feel free to ask questions and definitely hit up the 6900 thread: http://www.overclock.net/ati/892583-amd-69xx-owners-club.html
Edited by ryan w - 8/3/12 at 2:39am

Does this look correct? In this photo I am flashing back from the R6950PEX bios to my gpu-z backup because my shaders failed to unlock, but I noticed that when I flash the 'new' and 'old' are the same for both bios. Shouldn't something change? Flashing R6950PEX results in the same thing, new and old are identical. If this is working as intended I guess I got a laser cut card, no biggy.

hi guys i have a radeon 6950 twin frozr II but it doesnt have bios switch, can i unlocked it?

thanls