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i7 3820 - 4820 Overclock Club - Page 192

post #1911 of 6499
Thread Starter 
Quote:
Originally Posted by theJaybo View Post

that was a pretty vague conformation of my psu issues tongue.gif

Yeah I know im pretty vauge at times myself tongue.gif but 90% of pc issues are power related . So when my rig was playing up a while ago I got a 1200 watter and all my issues went away....yessir.gif but you never know till you have a ago ! My pineapple agrees with you that im a bit vauge on details . He will get overvolted for that tongue.gif
post #1912 of 6499
HomeCinema

Pick your highest stable oc, and run the Performance Test v8.0 from passmark ---> www.passmark.com/products/pt.htm


Before you run it, in the Edit -> Preferences, set test to VERY LONG, and Number of times to run 1.

Then TESTS -> Run All Tests.

post scores in the summary.

File -> Save Baseline

Post baseline ptx file (located in the Documents\Passmark\Performance Test\My Baselines folder)

Please and thank you.
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post #1913 of 6499
Im dialing in my system right now, Ignoring Prime95 as I know at FULL STRESS the psu is shutting off. So Im concentrating on cross referencing my overclocks with benchmarks. Because Im not getting BSOD errors, I know I can make it stable with a better psu.


Ive oc'd/benched so far;


Stock 3.6ghz w/ DDR1600 100x36
OC 4.3ghz w/ DDR1600 100x43
OC 4.375ghz w/ DDR 1666 (oc ram by 66mhz) 125x36
OC 4.5ghz w/ DDR 1666 (oc ram by 66mhz) 125x36
OC 4.625ghz w/ DDR 1666 (oc ram by 66mhz) 125x37
OC 4.75ghz w/ DDR 1666 (oc ram by 66mhz 125x38
OC 4.875ghz w/ DDR 1666 (oc ram by 66mhz) 125x39

Beyond 4.875ghz the system simply shuts off no matter what vcore I put. So until I get a new psu, thats all she wrote.

Next I will cross my idle/max temp and loaded vCore with achieved benchmark/speed and decide what is the best overclock to stay with.
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post #1914 of 6499
Thread Starter 
Quote:
Originally Posted by theJaybo View Post

HomeCinema
Pick your highest stable oc, and run the Performance Test v8.0 from passmark ---> www.passmark.com/products/pt.htm
Before you run it, in the Edit -> Preferences, set test to VERY LONG, and Number of times to run 1.
Then TESTS -> Run All Tests.
post scores in the summary.
File -> Save Baseline
Post baseline ptx file (located in the Documents\Passmark\Performance Test\My Baselines folder)
Please and thank you.

I will do it on this clock first then 5130 ive never run this bench before thumb.gif
post #1915 of 6499
Quote:
Originally Posted by HOMECINEMA-PC View Post

I will do it on this clock first then 5130 ive never run this bench before thumb.gif

you got me all excited,,, cant wait to see results !!!
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post #1916 of 6499
Did a current draw analysis online. Seems Im drawing over 750 watts with all my hds, oc video etc..
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post #1917 of 6499
Quote:
Originally Posted by diamondmines View Post

I've given it a 1.280Vcore but the voltage doesn't drop down when idle, it stays on 1.28. It passes Prime 95 with 1.280 at 4.3GHz but I want it to undervolt when it's 1.2GHz idle. It doesn't do that. I have tried the offset but it looks complicated. Should I turn off Turbo Boost? How should I manage this? What really does the offset do? The min offset is 0.800v and I don't know how it works.
Thanks.

You can have the best of both worlds. Just set your Turbo Ratio to the desired overclock, set you CPU ratio to AUTO, and use the Offset CPU Voltage instead of manual. The offset adds to your VCore when your CPU asks for a certain voltage from the Mobo. It will basically add the offset voltage to the VID voltage that the CPU would require. You will just need to find the offset voltage that will supply the CPU with enough power to reach your desired overclock (I use +.0700 for instance, and this will translate into about 1.368 under stress testing). You can only use it on the 100 strap, but at 4.3 that should not be an issue. Enable Speedstep, and the C states, and your voltage will drop with your clocks. So to get it to work, your need to follow these rules:

- Bclk strap of 100 (you can adjust the Bclk If you want to clock higher than 4.3Ghz. I run at 105 x 43 = 4515).
- Use the Offset Vcore. Manual Vcore will override any power saving features.
- Enable "C" states and Speedstep.

Good Luck

cheers.gif
post #1918 of 6499
Quote:
Originally Posted by Rmerwede View Post

You can have the best of both worlds. Just set your Turbo Ratio to the desired overclock, set you CPU ratio to AUTO, and use the Offset CPU Voltage instead of manual. The offset adds to your VCore when your CPU asks for a certain voltage from the Mobo. It will basically add the offset voltage to the VID voltage that the CPU would require. You will just need to find the offset voltage that will supply the CPU with enough power to reach your desired overclock (I use +.0700 for instance, and this will translate into about 1.368 under stress testing). You can only use it on the 100 strap, but at 4.3 that should not be an issue. Enable Speedstep, and the C states, and your voltage will drop with your clocks. So to get it to work, your need to follow these rules:
- Bclk strap of 100 (you can adjust the Bclk If you want to clock higher than 4.3Ghz. I run at 105 x 43 = 4515).
- Use the Offset Vcore. Manual Vcore will override any power saving features.
- Enable "C" states and Speedstep.
Good Luck
cheers.gif


Auto voltages , extreme llc for 100x43 = 4300mhz with speedstep and turbo enabled, c-states off, will still net you ~1v idle and a fully stable system @ 4.3ghz
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post #1919 of 6499
edit: my macbook pro 5x posted my response, sorry...
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post #1920 of 6499
edit: my macbook pro 5x posted my response, sorry...
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