Finally spent some time on i7

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Finally spent some time on i7 Empty Finally spent some time on i7

Post by grumpydaddy on Sun Apr 03, 2011 2:40 pm

Whilst I have had a 920 running for 3 months with a rough overclock of 4.1 on it, today I finally found time to play with the finer points of a 950 on a x58a-ud3r rev2.

I don't know what I was expecting but somehow I thought I would get 4.4 rather easily and 4.5 with some time... Hah, none of it, op to 190 x 23 is easy but 23 x 191 (4393) and then the volts required start going high, higher than I would want to use 24/7 anyway

Oh yea it will run but it isn't right. add a notch or better two each bclock of both qpi and vcore and I still have to adjust to get more GFlops in LinX

Is it just me or perhaps I need a new Bios? aren't these supposed to be easier than this?

Cooling is good though ...just breaking 58-60deg ambient 14 C Should have more info on that next weekend :)
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Post by 4hams on Sun Apr 03, 2011 2:54 pm

Hi Mike what about trying a lower Multi and a higher BCLK?
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Post by smduff on Sun Apr 03, 2011 2:56 pm

We got vinny running at 4.2 no problem but beyond that required way to much voltage for his Boreaus to handle.
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Post by 4hams on Sun Apr 03, 2011 3:05 pm

Personally I think the 920's 30's and 40 were easier to clock compared to the 950's 60's...

Ask Deton but I think he also stated that a Lower Multi with higher BCLK will yield better performance and higher Gflops when testing.
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Post by grumpydaddy on Sun Apr 03, 2011 3:23 pm

Well, I did some bclk testing and topped out at 210 and with that in mind I started at 23 with a view to staying low (196) on my 4.5 target rather than 205 x 22

I tried running 22 at the same volts as 23 similar speed (just a quick test mind) and needed more volts. I would need to spend another day gradually ramping up on a 22 multi and testing each step as just now 4.4 is not clear to me let alone 4.5

Gotta say though that it was late in the day when I noticed the power draw on my Kill-a-Watt ...if I had used that from the beginning I could have saved hours.
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Post by 4hams on Sun Apr 03, 2011 3:29 pm

I have faith in you Grumpy!
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Post by grumpydaddy on Sun Apr 03, 2011 4:22 pm

Just a little more on that Kill_a Watt...

When you run LinX and watch the power draw, when the run is good the power figure is high and the GFlops are high ...if the voltage is not just right on either the qpi or core then the meter shows a lower draw and if you let the run complete then you see the GFlops are lower even though the run may complete.

In a nutshell, watching the meter only 30 seconds into the run you can tell if further adjustments are required.

Overclocking? get a Kill-a-Watt and make life easier...it is so simple it is brilliant
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Post by 4hams on Sun Apr 03, 2011 4:30 pm

Can ya post a link?
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Post by 4hams on Sun Apr 03, 2011 5:55 pm

Thanks Grumpy never thought of clocking with one of those.
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Post by smduff on Sun Apr 03, 2011 5:57 pm

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Post by 4hams on Sun Apr 03, 2011 6:09 pm

Do you use it for clocking also? I know Pony has mentioned them many times in regards to seeing how much the computer draws compared to other appliances or electronics.
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Post by smduff on Sun Apr 03, 2011 6:11 pm

yup my system is plugged in to it all the time, I also use it for reviews on PSU's, but OC'ing it really helps out.
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Post by 4hams on Sun Apr 03, 2011 6:35 pm

thanks guys!
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