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DFI DK 790FXB-M2RS, Phenom II x4 955 BE, DDR2 1066 ram, XFX HD 5770 1GB - Page 2

post #11 of 23
Thread Starter 
seriously? What cheap $40 mobo did you have in mind?


Ok. After setting it to 1066 @ 2.110v (2.19v) I was only able to run Prime95 for about 4 and a half minutes before it stopped with rounding errors.
Edited by djogoku - 12/8/11 at 5:16am
post #12 of 23
Thread Starter 
I just realized that this is a M2rsh mobo. Not a 790FXB-M2RS. Hope this changes things
post #13 of 23
Quote:
Originally Posted by rindoze View Post

I suggest you spend $20 on 4gb ddr3 1600mhz and $40 on a cheap board.

Half the fun of overclocking is making things perform better that what they where designed to do.....I still have a x4 630 with a gigabyte mb with homemeade vrm heatsinks and ddr2 managed to get a 1ghz overclock stable out of that poor abused cpu...lol...run it till it blows! which with proper precautions could be a long time wink.gif...oh and had to hook up 2 250w power supplies to power it!
EDIT: at those prices for new hardware the performance gain would be nominal....with his ram at 1066 cas5 it's as good as 1333 at cas 8 which is what $20 will buy
http://www.tweaktown.com/articles/1782/amd_phenom_ii_ddr2_vs_ddr3_performance/index11.html
Edited by mrinnocent - 12/18/11 at 9:59pm
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post #14 of 23
Thread Starter 
thinking.gif hmmm... Two 250 watt power supplies eh? lol. You have a point with the trying to get it to where no man has gone before. I'm still playing around with it so hopefully in the end I'll have a configuration that works with everything.
post #15 of 23
Quote:
Originally Posted by djogoku View Post

thinking.gif hmmm... Two 250 watt power supplies eh? lol. You have a point with the trying to get it to where no man has gone before. I'm still playing around with it so hopefully in the end I'll have a configuration that works with everything.

lol...amazing what you can do with desperation and old parts laying around wink.gif
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post #16 of 23
Thread Starter 
agreed. My only problem is I can't keep the information in my brain. I have to reteach myself this stuff everytime I rebuild which is killing me when it comes to overclocking and successfully achieving a stable running status. Hence the reason for this post. I was hoping to find someone to mimic that way I'd have a solid starting point and then I'd play around from there. I may have a little more hope being that I'm actually running the DK 790FXB-M2RSH instead of the M2RS
post #17 of 23
did a little research and that is one awesome board you got there! In its day it was considered by some to be one of the best if not the best overclocking ddr2 boards money could buy. Heres a couple guides to overclcocking to help you stay grounded with good basic information and goals to reach for
http://slappablog.com/2009/05/28/phenom-ii-am3-overclocking-essentials-guide/
http://slappablog.com/2010/10/14/phenom-ii-imc-ram-overclocking-guide/
He talks alot about how to achieve stability....your doing great so far, just need to tie it all together thumb.gif
Edited by mrinnocent - 12/19/11 at 12:55pm
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post #18 of 23
I would drop the ram multi down to 800, and start doing a reference clock overclock. I always get far better results like that. It takes a lot more time, but the benefit is that it speeds up everything. I would start out at 800 cas 5, and start upping the reference clock by 5-7 Mhz and see if it reboots, or if you get a failure.

When I was running DDR2, I went up to 1000MHz, but 4-3-4-11 timings, and it was fast. Timings are going to get you more than just sticking it at 1066 cas 5.

Just my .02...
post #19 of 23
Thread Starter 
I'll try that too. I do know that when I called G.Skill they said try running it at 800 4-4-4-12 2.1v which I will say does run stable smile.gif
post #20 of 23
I wouldnt get rid of that mobo simply cause DFI doesnt support it. As long as you have the latest BIOS, you should be good to go, and you can still d/l them. I have four 1 gig sticks of Corsair XMS2 1066 ram too if youre interested for cheap.
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