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post #3061 of 10702
Quote:
Originally Posted by munaim1 View Post
Should be up in a few minutes Thanks bud.
kool man. thanx
post #3062 of 10702
Thread Starter 
This is my quick little guide:

Quote:
The only things will that will require multiple changes are the vccio (VTT), PLL voltage and vcore, refer to this:

Set the whole thing to stock and start again. This time only change the RAM to XMP (STOCK) and run prime blend for a few mintues to see that your CPU is functioning properly.

Then comes the task of determining the voltage for the multiplier, but that comes after you find the correct LLC setting for your mobo. Don't worry about it bsoding, what you want to do is set the LLC to the one that is closet to what you set it to when the cpu is under load, so for example if you set 1.35v and under load it's 1.31v and that's level 3 then you may have to increase to around level 5. The objective is to keep the voltage under load as controllable as possible without it letting it spike. These LLC settings will be different amongst mobo's. For Asus the Ultra high (75%) LLV seems to work best.

Then it comes to that task of finding the actual voltage for the overclock, however before we get to that, I would advise you to reduce PLL voltage to 1.7v (READ THIS ABOUT PLL). Then set the vcore manually to 1.25v, Leave C1E and Speedsteep enabled and run C3 and C6 on Auto if you can, if not leave them enabled. Also leave Spread spectrum enabled, if you find that it disrupts the bclk in cpu-z then just disable it. Ensure that the CPU PLL is at 1.7 to begin with and vccio (VTT) is on 1.125v.


Addition settings that you need to change from the get go, but won't need to be changed afterwards:


Quote:
For Asus Mobo's
Cpu Current Capability - 140%
Phase and Duty Control - Extreme
EPU Power saving - Disabled
VRM Frequency - Manual - 350
Quote:
For Asrock Mobo's
Turbo Boost Power - Manual
Short Duration - 250
Long Duration - 250
Core current Limit - 250

This should be a stepping stone to get your rig stable. With those settings you will eventually get to the point where you're stable.

Set the multi to 45 and the vcore to 1.25v and increase the vcore each time after you stress test, run a quick custom prime with these FFTs (1344 & 1792) like THIS and go back and change the vcore accordingly, bump it by one not big jumps and that goes for PLL and VCCIO (VTT) and VCORE!!!
The guides in the OP are pretty old now and more and more things are being discovered, I may make a proper guide soon if I have time, till then I hope the above can help you
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post #3063 of 10702
Quote:
Originally Posted by BradleyW View Post
Thank you ever so much for the help so far. Here is my final list after reading the JJ thread and this thread.
Internal PLL Overvoltage Enabled - Leave that at disabled until you not longer boot into windows (usually at higher multi, then enable)
CPU PLL 1.7v (Or lower) - Yeah leave at 1.70, once you get into trouble in higher multis, start lowering that see if it helps stability.
CPU Current Capability 140% - Yep
LLC Ultra High - Yep
Phase Control Extreme - Yep
Duty Control Extreme - Yep
C1E, Speedstep, C3, C6 (Default/Auto) - Yep
Speed Spectrum Enabled - Yep
CStates Enabled - Yep

So put these settings in, along with cpu vcore of 1.20v and go from 33 multiplier, keep increasing until it crashes, usually between 40-42 multiplier. Then increase vcore.

As for testing stability, use version 26.6 P95 and test using:

Custom
1344 FFT x 1344 FT
2500MB Ram (If using 4GB)
1 min cycles.

If passes for 15-20 mins, your good to move on and try testing with 1792 FFT's.

After both these pass, you can go for a 12hr p95 blend test.
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post #3064 of 10702
Quote:
Originally Posted by $ilent View Post
Internal PLL Overvoltage Enabled - Leave that at disabled until you not longer boot into windows (usually at higher multi, then enable)
CPU PLL 1.7v (Or lower) - Yeah leave at 1.70, once you get into trouble in higher multis, start lowering that see if it helps stability.
CPU Current Capability 140% - Yep
LLC Ultra High - Yep
Phase Control Extreme - Yep
Duty Control Extreme - Yep
C1E, Speedstep, C3, C6 (Default/Auto) - Yep
Speed Spectrum Enabled - Yep
CStates Enabled - Yep

So put these settings in, along with cpu vcore of 1.20v and go from 33 multiplier, keep increasing until it crashes, usually between 40-42 multiplier. Then increase vcore.

As for testing stability, use version 26.6 P95 and test using:

Custom
1344 FFT x 1344 FT
2500MB Ram (If using 4GB)
1 min cycles.

If passes for 15-20 mins, your good to move on and try testing with 1792 FFT's.

After both these pass, you can go for a 12hr p95 blend test.
I understand now. As for the custom testing, do i select custom test and input the numbers or do i select blend test and then change the values? (If i select blend and change the values, how do i restore the stock settings?)

I will use 8GB RAM so would i change the 2500MB to 5000MB in theory?

Thanks mate, i'm almost all set! yay!
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post #3065 of 10702
erm yeh click on Custom, as apposed to Blend, In-place large FFTS or Small FFTSs, under the Options>tortue test section.

I put 2.5GB in as windows uses 1GB itself, so that leaves 500mb free during the test. So i would assume you should put in 6.5gb into the ram usage, leaving you 500mb free.
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post #3066 of 10702
Quote:
Originally Posted by munaim1 View Post
Not sure about the different versions of prime but I will look into it
Yeah, it could be something on my end, hard to tell. For one though the 26.6 version has 1344FFT and the 25.11 does not. If you force it to run that FFT it acts a bit weird.

Also Tunagoblin (with the same mobo as me) said at some point he needed to enable spread spectrum, somewhat randomly/unexpectedly. He also stated that he needed to raise CPU PLL to get the best results and he ended up with 1.832 (read this on xtremesystems).

I've been doing a lot of testing today and taking notes and the first thing I noticed is that raising CPU PLL appears to be better for me (I tried lowering it several times with bad results). I say 'appears' because man there are just too many variables at this point, and 1344 seems really random and touchy. Anyway, I have ended up at 1.832 after several tests and the results seem to be better as a whole.

The next thing I tried was enabling Spread Spectrum. I know, I know.... it's supposed to be enabled in the first place. I had it disabled since the beginning, and since my overclocking was going quite well I felt no reason to change it back. On this board with SS enabled the BCLK changes from 100 to 99.8 so that was another reason. Anyway I tested 4-5 times with it enabled (and got the BCLK to come out to 100.1) and things seem pretty good right now.

I also played with VTT. When I raised it too 1.129 I got, for the first time ever, a core failure / rounding error (during 1344 after like 1 minute flat). Wasn't sure what to make of it so I lowered it back to 1.103. Nothing below 1.103 was conclusive either way.

Anyway I'll let you guys know what ends up working for me. Hoping to get this blend test done once the AC is fixed here, ugh its hot.
    
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post #3067 of 10702
donkrx I thought that going up in PLL was best, but you realy have to trust it and keep lowering it. I started at 1.8 PLL, lowered to 1.7 and was unstable. I kept lowering until i got to 1.60 and it started becomming stable again.

At one point I took it down to nearly 1.40v
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post #3068 of 10702
Processor Arithmetic:


87.1 + 113.18 + 67 = 267.28

Multi-Media:


247.17 + 222.18 + 275 + 156 = 900.35

Cryptography:


3 + 6.72 + 1.27 = 10.99

Multicore Efficiency:


10.61 + 31.6 = 42.21

TOTAL: 1220.83
post #3069 of 10702
Quote:
Originally Posted by $ilent View Post
erm yeh click on Custom, as apposed to Blend, In-place large FFTS or Small FFTSs, under the Options>tortue test section.

I put 2.5GB in as windows uses 1GB itself, so that leaves 500mb free during the test. So i would assume you should put in 6.5gb into the ram usage, leaving you 500mb free.
So i click custom then i put around 6.5GB RAM and 1344 FFT x 1344 FT and run this for 15 munites?
I then use 1792 FFT x 1792 FFT for 1 minute then i just run the normal blend test afterwards for 12 hours?

Also i found this on the P8P67 Pro guide. It's completely thrown me off.

Quote:
When you put volt values in the Offset field, you add the Vcore you type in there, to the VID of your CPU. However, the VID will vary between each different CPU, and also the speed you run it at.

My 2500K has 1.2410v VID when at 3.3GHz stock. This VID changes to 1.3410 when I overclock it to 4.5GHz. When I type in + 0.020 Volts for Offset, it will then give me 1.3410v + 0.020v = 1.3610v under load.
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post #3070 of 10702
Quote:
Originally Posted by BradleyW View Post
So i click custom then i put around 6.5GB RAM and 1344 FFT x 1344 FT and run this for 15 munites?
I then use 1792 FFT x 1792 FFT for 1 minute then i just run the normal blend test afterwards for 12 hours?

Also i found this on the P8P67 Pro guide. It's completely thrown me off.
No, you put 1344 - 1344, 6500MB, and 1 Min in the cycles box at bottom, and run that for 15-20 mins, then do same but with 1792 - 1792.

As for that stuff from the other website regarding offset, just use manual voltages. Its less complicated.
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