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RBE and 6970 pushing overclock. - Page 2

post #11 of 39
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

Are you making a copy of each bios, then adjusting voltage, then flashing or are did you download a bios? And last but not least you are flashing to switch #1?
Also, 1.4v is too much. I've never gone above 1.3v. Also, you are inputting in millivolts right? 1200 or 1250, etc stock is 1175.

Yes ofc millivolts. All the cards are in switch #1. Made a copy of each bios strait from the card (gpu-z lets you save the bios from the cards) and then loaded that into RBE, changed the voltages, saved that again as a seperate file and flashed the card with that file. As said first two cards worked, but not on the last. Could be that it has a locked bios so will try to unlock it in DOS.

If 1.3v is the max what is the purpose of doing this, the cards can be set to 1.3v by default in MSI AB, but not anything higher.
post #12 of 39
Quote:
Originally Posted by Eggy88 View Post

Yes ofc millivolts. All the cards are in switch #1. Made a copy of each bios strait from the card (gpu-z lets you save the bios from the cards) and then loaded that into RBE, changed the voltages, saved that again as a seperate file and flashed the card with that file. As said first two cards worked, but not on the last. Could be that it has a locked bios so will try to unlock it in DOS.
If 1.3v is the max what is the purpose of doing this, the cards can be set to 1.3v by default in MSI AB, but not anything higher.

Yea, it sounds like DOS is the only way left to go. The purpose of using RBE for voltage is so that you don't have to disable ULPS, experience issues with Powerplay, nor have to run profiles, etc. That said, I've seen reports of people and at least one review of cards running 1.4v and apparently 1.5v is the max that smartdoc can apply but who knows if it is really applying. Well I guess we can find out now because gpuz and hw64ino can read real voltage. Anyways I never got into it because 1.2v was enough to get me the clocks I wanted, well that and paranoia. biggrin.gif

593
Edited by tsm106 - 2/10/12 at 2:08pm
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post #13 of 39
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

Yea, it sounds like DOS is the only way left to go. The purpose of using RBE for voltage is so that you don't have to disable ULPS, experience issues with Powerplay, nor have to run profiles, etc. That said, I've seen reports of people and at least one review of cards running 1.4v and apparently 1.5v is the max that smartdoc can apply but who knows if it is really applying. Well I guess we can find out now because gpuz and hw64ino can read real voltage. Anyways I never got into it because 1.2v was enough to get me the clocks I wanted, well that and paranoia. biggrin.gif
593

Looks like i'm going into DOS then. Tried benchmarking with the two cards is flashed with 1.4v and even @ 1020/1440 i got a freeze like 3sec into a 3dm11 run (used to run 1065/1490 @ 1.3v so should not be any problem). I did't bother to test it any more then that 1 run so could be something completely no related to the Gpu's. I'll see if i can get some more time to play with it once i get the time from studies and school.

Temps should be no problem even with 1.4v, @ 1.3v the highest temp i saw was 63c on the mem controller, core was mid 50's and the VRM's ~55c. That was with a normal ambient of 23c, usually when i bench i open the windows up so room goes down to 10-15c or take the computer out into the garage (0-5c).
post #14 of 39

You need to mod for OCP if your pushing into the +1050mhz range... otherwise the additional voltage most likely will just bring OCP sooner .. THEN +1.4v will help ;) 

 

 

post #15 of 39
OP, have you ever changed your default clocks? Aka the 880 core and 1350 memory to something else?

Ive tried numerous times to change core to 900 clock for testing purposes through RBE and have not been successful. All that happens is when im about just to get the windows screen, my computer reboots and stays in that loop. Anyway, question is; is it possible to change your default 3D clocks that you know are stable with default volts through RBE?
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post #16 of 39
Thread Starter 
Quote:
Originally Posted by CL3P20 View Post

You need to mod for OCP if your pushing into the +1050mhz range... otherwise the additional voltage most likely will just bring OCP sooner .. THEN +1.4v will help wink.gif 

Found a guide for volt modding the 6950/70 and if i understand it correctly they claim that no OCP mod is necessary.
Quote:
For all practical intents and purposes, no Over-Current Protection (OCP) modification is necessary - OCP trip point has been set at approximately 210 A for the VDDC VRM on the C200 Radeon HD 6900 graphics accelerators - each VT1636SF switch is rated for 35 A.

Read more: http://vr-zone.com/articles/amd-radeon-hd-6970-6950-voltage-modification-guide/10476.html#ixzz1m1hexOX0

Quote:
Originally Posted by L36 View Post

OP, have you ever changed your default clocks? Aka the 880 core and 1350 memory to something else?
Ive tried numerous times to change core to 900 clock for testing purposes through RBE and have not been successful. All that happens is when im about just to get the windows screen, my computer reboots and stays in that loop. Anyway, question is; is it possible to change your default 3D clocks that you know are stable with default volts through RBE?

Nope did not change the default clocks, only the voltage up to 1.4v. The computer loads fine into windows with 1.4v but as soon as i tried running 3DMark2011 it crashed giving me a 116 BSOD (if i remember correctly)

I did not try to test it more then that one run, was in a bit of a hurry so will get to test it more tomorrow or sunday.
Edited by Eggy88 - 2/10/12 at 4:00pm
post #17 of 39
Thread Starter 
Managed flashing the last card as well. So all cards run @ 1.4v when benchmarking. Just did some testes regarding temperatures and they look decent.

Highest temps while running furmark for 15min:

Card 1.
Core: 45
#1: 53
#2: 58
#3: 58
Vreg: 51

Card 2.
Core: 48
#1: 53
#2: 68
#3: 67
Vreg: 55

Card 3.
Core: 48
#1: 55
#2: 60
#3: 60
Vreg: 53

This temps are with a normal ambient of 22c, when i run 1.4v for a longer time i will have a ambient of ~10-15c so temps should be a bit lower, and yes i think i have a bad mount on the second card.

@ CL3PO, I don't plan on modding the OCP so hopefully it will not kick in yet, if i understand the article Vr-Zone wrote about it they did not have to mod the OCP, not even when running a VDDC of 1.7v so should not be a issue here, but i could be wrong, quite new to the hole world of voltages and mods
post #18 of 39
play with the voltage registers..uhmm..have you tried 1.35/1.375??
you only need to edit the one to the far left i think..(max)
oh..and to unlock a locked BIOS
Atiflash -unlockrom (0,1)
 
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post #19 of 39
Quote:
Originally Posted by Schmuckley View Post

play with the voltage registers..uhmm..have you tried 1.35/1.375??
you only need to edit the one to the far left i think..(max)

Hehe, he's way past that part. He's pushing 1.4v, you can't do that in afterburner, so take a guess how he's done it?

Eggy88, grats on the voltage. thumb.gif

How high are you going to push them clocks wise now? I wish the 7970s kept the 6970 bios and non-intrusive OCP. mad.gif
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post #20 of 39
pencil mod?
 
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