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i7-970: Extra 6 min TPF on 6900? - Page 2

post #11 of 17
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Checked it and I couldn't see anything out of the normal. I ended up reinstalling Windows before I went to sleep (with AHCI enabled) and started the WU up again, still has a 36 min TPF. Is it possible for some 6900 WU's to be more demanding that other 6900's? If not, I might try reinstalling with IDE, but I'm not sure if that could even be the problem
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post #12 of 17
I have seen isolated frames take 1 or 2 minutes longer, but I have never seen more than 1 or 2 frame's on a complete WU do that. I guess it could be possible but I have never seen it or heard of it before. I doubt that the file system has anything to do with it F@H is not that HD intensive. I would have suspected that something had been messed up in the registry but since you reinstalled you have ruled that out.

Just curious but I see you are running 8GB of memory are you not running triple channel. If you are running in duel channel it will slow down your 970 quite a bit.
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post #13 of 17
Quote:
Originally Posted by Grandpa_01 View Post
Just curious but I see you are running 8GB of memory are you not running triple channel. If you are running in duel channel it will slow down your 970 quite a bit.
Dido. Listen to gramps. He knows what hes about. I changed my ram from 1600 9-9-9-28 to 1600 6-8-6-20 and I picked up 2000-3000 ppd! Still need to work on the OC but I'm hoping to get under 20min per frame. I would suggest shutting down and working on your OC as soon as possible.
    
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post #14 of 17
Thread Starter 
Quote:
Originally Posted by Grandpa_01 View Post
I have seen isolated frames take 1 or 2 minutes longer, but I have never seen more than 1 or 2 frame's on a complete WU do that. I guess it could be possible but I have never seen it or heard of it before. I doubt that the file system has anything to do with it F@H is not that HD intensive. I would have suspected that something had been messed up in the registry but since you reinstalled you have ruled that out.

Just curious but I see you are running 8GB of memory are you not running triple channel. If you are running in duel channel it will slow down your 970 quite a bit.
I am running it in dual channel, although I thought it didn't make much of a difference after reading this thread, http://www.overclock.net/intel-memor...mory-both.html

I just went into the System info and noticed Windows is only recognizing 4GB. I checked CPU-Z and it sees both sticks, but it says it's running in single channel right now. I'm not too sure if it was like that before I had this problem but I don't think it was. Could this be causing it?
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post #15 of 17
Yes it could be making a difference and just for an example I have 2 - i7 920 running on P6T motherboards all equipment Identical including memory the only difference is one has 4GB running duel channel due to 1 bad stick of memory, the other is running 6GB triple channel both running all settings the same. As you can see there is a 1 1/2 minute avg. frame time difference in the 2 machines, the triple being the faster of the 2. While some people may say memory speeds / timings / duel vs triple channel does not make a difference, it has been my experience that in folding they do make a pretty big difference.

Name: i7 920 4.150Ghz
Path: \\\\Rick-pc4\\fah\\
Number of Frames Observed: 300

Min. Time / Frame : 00:30:51 - 35,942.2 PPD
Avg. Time / Frame : 00:31:38 - 34,615.4 PPD
Cur. Time / Frame : 00:31:10 - 35,179.6 PPD
R3F. Time / Frame : 00:31:12 - 35,142.0 PPD
All Time / Frame : 00:31:15 - 35,085.8 PPD
Eff. Time / Frame : 00:31:33 - 34,752.2 PPD


Name: i7 920 4.15Ghz
Path: \\\\Barbie-pc\\fah\\
Number of Frames Observed: 300

Min. Time / Frame : 00:29:03 - 39,334.0 PPD
Avg. Time / Frame : 00:30:03 - 37,387.0 PPD
Cur. Time / Frame : 00:30:17 - 36,904.6 PPD
R3F. Time / Frame : 00:30:16 - 36,924.9 PPD
All Time / Frame : 00:30:16 - 36,924.9 PPD
Eff. Time / Frame : 00:30:23 - 36,783.1 PPD
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post #16 of 17
Thread Starter 
So I just swapped the RAM from my 875k (4GB Ripjaw) into my 970 and vice versa. On both rigs, Windows is recognizing the correct amount of RAM and running in dual channel. So now I'm pretty confused. I was thinking that it might've been a bad stick or slot but now I have no idea. I'm starting to think that my 970 might've been recognizing only 4GB to begin with so maybe RAM isn't the problem?

I also compared the boot times when I started them back up, my 875k rig (with a WD Green HDD) is booting faster, or atleast spending much less time at the welcome screen. I don't restart my 970 much so I'm not sure how long the boot times have been like this for. Could it have something to do with AHCI being enabled? I also haven't setup RAID yet.

It's almost done its 1st full frame with dual channel, will post what happens in abit or tomorrow. I just want my missing 10k PPD back

Edit
Problem's fixed Turns out it was the RAM, now I just have to figure out why it works in one rig but not the other. Thanks for helping guys, rep'd you
Edited by cc_brandon - 2/7/11 at 6:06pm
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