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post #511 of 644
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post #512 of 644
Definitely need some help here. I'm getting ready to get a new card so I figured I would play around with the one I have (4850) so I will be prepared to overclock the new one.

I downloaded MSI Afterburner and GPU Tool with both of them being on the desktop.

What I've been doing is making 10mhz adjustments in MSI (GPU being closed at that point), and then opening up GPU (this way the adjustments would show up in GPU) and using the test screen.

The 4850 has a memory frequency of 993mhz which I got up to 1233 without any blocking or errors. At this time I'm thinking to myself this is ridiculous because what I've seen on line isn't anywhere near this.

So I clicked on find max on GPU (don't know if this was really a good idea as it really locked things up).

After I got it settled down I shut down and restarted. At this point I started using the apply button on GPU as well as the one on MSI. What I noticed is that was stable with MSI alone became unstable if I also clicked on GPU's apply button. For instance 1103 was stable thru MSI alone, but if I clicked on GPU's apply button then the test screen would come back as unstable. Even 1043 was showing unstable and that's only 50mhz over. At the same time though 1233 should never be stable on this card, but that's what MSI apply button alone was showing.

I guess what my real question is should I be clicking GPU's apply button also?

Okay, I don't know if it matters if you click both apply buttons, so now the real question is why were the two programs letting me overclock the memory to 1233 when my final settings (or roughly) are 755/1038. I'm not doing anything different compared to earlier.

Thanks for the help.
Edited by dcmo - 8/16/11 at 2:57pm
post #513 of 644
Thread Starter 
Quote:
Originally Posted by blabla21 View Post
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Gah, image host decided to delete them. I will try my hardest to get it rectified ASAP.

EDIT: Images back up!
Edited by coffeejunky - 8/23/11 at 10:29am
post #514 of 644
Still can't adjust voltage on my 6870 despite doing what the OP mentions in the first post.
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post #515 of 644
I get with my 6950 without any voltage increase following the guide to reach:

"stable" with the stability test of the GPUtool

Core: 910
Memory: 1420

I went through without any problem after 30 mins of stability test. When I started the game it crashes freezing the game and changing the color of the screen to blue, or to gray. temperatures during the STABILITY test were 68ºC stable at 98% usage of the GPU. Is it damage? I'm scared...
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post #516 of 644
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post #517 of 644
Is 15-30 min enough for stability testing?
I can get mine stable at 860/1450 on stock voltage. The temps concern me though. MSI AB shows a temp of 86, which is +- normal, but GPU-Z shows another 2 temps (GPU Temp 2 and 3) that are 96 and 93 What are those?
Edited by Akusho - 8/28/11 at 8:02am
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post #518 of 644
Hey everyone,

My name is Matt, this is my first post. I am new to EVERYTHING. Just bought myself what i think is a good gaming desktop. I have an HIS iceQ 6950 and wanted to see what I can get as far as overclocking. I saw the original post but don't know if that is outdated. I really dont know ANYTHING and thats why I am on here to learn.

Anywho, can I start with the overdrive in catalyst? or should I download afterburner and start there?

Actually, i dont even know what to ask or where to start. Can anyone get me moving?
post #519 of 644
Thread Starter 
Quote:
Originally Posted by bonah View Post
Hey everyone,

My name is Matt, this is my first post. I am new to EVERYTHING. Just bought myself what i think is a good gaming desktop. I have an HIS iceQ 6950 and wanted to see what I can get as far as overclocking. I saw the original post but don't know if that is outdated. I really dont know ANYTHING and thats why I am on here to learn.

Anywho, can I start with the overdrive in catalyst? or should I download afterburner and start there?

Actually, i dont even know what to ask or where to start. Can anyone get me moving?
The guide is still relevant, little has change in Afterburner since it was made. You can use CCC at first if you prefer. The guide should pretty much cover most things, the stability test mentioned in the OP is probably not going to actually stress your card so you may have to play some games to test for stability, if you get hard locks, game crashes, artifacts or driver recoveries then its not stable.
Hope this helps
post #520 of 644
If i wanted to use CCC at first to crank up the settings and test it out with a game, should I set the voltage to the +20% option or leave it at stock and up the core clock and memory clock? Is there a program I can use to monitor the temperature?
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