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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 359

post #3581 of 10702
Quote:
Originally Posted by munaim1 View Post





where is cpu-z and RAM info? please refer to everyone elses screenshot.

Thanks



sorry i cant follow directions i will rerun it my total is 1004.67 does that sound about right
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post #3582 of 10702
Thread Starter 
Quote:
Originally Posted by brian19876 View Post
sorry i cant follow directions i will rerun it my total is 1004.67 does that sound about right
that does sound low.


By the way I've added my guide in the OP, it's under IMPORTANT TIPS & FINDINGS.




edit:

****IMPORTANT TIPS AND FINDINGS****



Click below for my sandybridge guide or HERE



Here's my quick little sandy 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. 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 mobo's the Ultra high (75%) LLC 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 [B] (Scroll down or go to sandy stable club about PLL info). 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.

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


Can be found under advanced settings/cpu configuration:

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 Power Limit - 250
Long Duration Power Limit - 250
Core current Limit - 250
Quote:
For Biostar Mobo's
CPU Core Current max (AMP) - 150
Power Limit Value 1 & 2 - 200
Quote:
For Zotac Mobo's
Turbo Boost Power Max - 200
Turbo Boost Short Power Max - 200
Quote:
For Gigabyte Mobo's
Turbo Power Limit - 200
Quote:
For MSI Mobo's
Short Duration Power Limit- 250
Long Duration Power Limit - 250
Overvoltage is only needed when a particular multi (usually the high ones) doesn't boot into windows. With that function, you sacrifice sleep mode. You can't have overvoltage and Sleep working together, don't know why, could be BIOS related.

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!!!

Work your way up from there, increase multi, test with prime, if it fails up vcore, if not up the multi. Until you are satisfied with the temps and it is stable then continue upping the vcore to stabalise.


Just a note: The custom FFT's are not that consistant, making them not all that reliable, however if it works for you, then that's great. What I mean by inconsistant, is that it may pass once with the same settings but may fail the exact same run second time round. In that instance I will recommend you to run a standard blend test to find your overclock, using intervals of 15/30mins. This duration will increase when you're nearing stability. This is a lenthy process, one that takes time and patience, make sure your up to the task

Head over to the Sandy Stable Club for more info and tips


Here are the additionl info regarding PLL voltage, VCCIO and VCCSA: READ THIS & THIS

Quote:
Originally Posted by munaim1 View Post
Just thought I'd let you guys know, I have been testing the PLL voltage further and found something quite amazing. With my current stable settings including the PLL voltage around 1.7v was stable as you can see from my submission to the club. For the last 10days or so I tried messing around with the PLL, I dropped it down to 1.4v and started going up, I kept on receiving the Error 124 up until I reached 1.55v and it passed both the 1344 and 1792 test along with a few hours of prime blend. My sweet spot is at 1.55v.


One more thing, BSOD Error code 101 is usually refered to the vcore being too low, Error 124 can also be vcore, VTT (VCCIO) or even PLL voltage being to high or too low.







Random / Idle BSODS & Tips


**If your sandybridge is giving you problems under light load or idle, then try disabling c3/c6, this usually applies to offset users, manual voltage users should try running C3 and C6 report on Auto.

A handful of users' have reported that even after priming 12hrs+ they have recieved random bsods, this does not really indicate that it's unstable.

The error codes are not 100% and are not ALWAYS correct, with that said, stress testing in your main OS is not a good idea. If possible get yourself a spare HDD and load up windows and run all your stress testing on that. The idea of having another HDD is so that when your running your stress testing, background processes are at a minimum and should help indicate the main source of bsods, disabling the internet connection is also a good idea, same with any type of antivirus. Just remember too many bsods in a OS can cause the OS to become unstable ie corrupted file systems etc. With that said, if you pass 12hrs once you should be able to pass again, however, this does not mean go OCD stress testing.

In a situation where you are getting random bsods try the following:
  • Try running C3 and C6 on AUTO with C1E and EIST Enabled.

  • Clear CMOS (quick way - take the baterry out), load saved stable overclock, fresh windows install with pretty much nothing installed, no internet connection, nothing just a prime blend run. With minimum processes running and windows services, it would ba clear indication of stability without other 'things' such as a driver error, windows update, internet connection causing bsod.

  • You could try the above or even a BIOS update, I stress that before you update, run stock setttings and then update the BIOS (**Don't update the BIOS on an overclock setting, you could risk bricking the mobo)

  • Try Enabling all power saving features - C1E, EIST C3 and C6.

  • Many have found that enabling SPREAD SPECTRUM reduces the voltage fluctuation.

  • Try using Manual voltage instead of Offset.

  • Go to control Panel/hardware and sound/power options and select High performance Mode.

  • Take the RAM out of the equation, underclock it if you have to and see whether or not it continues.

  • Try a fresh OS install on a spare HDD or something, remember as explained before, too many bsods in the os = corrupt file system = unstable OS

  • IF you have an SSD Read THIS, it might help solve your problems.

  • Run Prime on it's own and leave it!!!!

  • Flash video bsod/freezing? Read THIS (Disable Hardware Acceleration)

Hopefully some of these TIPS could help you against the dreaded IDLE/RANDOM BSOD and get your CPU stable. I'll add some more TIPS along the way.





IMPORTANT FINDINGS ABOUT SANDYBRIDGE

PLL Voltage etc - READ THIS & THIS


Quote:
Originally Posted by munaim1 View Post
Just thought I'd let you guys know, I have been testing the PLL voltage further and found something quite amazing. With my current stable settings including the PLL voltage around 1.7v was stable as you can see from my submission to the club. For the last 10days or so I tried messing around with the PLL, I dropped it down to 1.4v and started going up, I kept on receiving the Error 124 and no boot up until I reached 1.55v and it passed both the 1344 and 1792 test along with a few hours of prime blend. My sweet spot is at 1.55v.

Edited by munaim1 - 9/7/11 at 8:35am
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post #3583 of 10702
Thread Starter 
**************Choosing & Overclocking RAM for Sandybridge**************


These are all the links that come to mind when sandybridge users think about overclocking or choosing RAM:

Sandy Bridge Memory Scaling: Choosing the Best DDR3

The Best Memory for Sandy Bridge

Choosing the Best Memory for LGA1155 Platform

These articles not only help 1155 users choose RAM but also show what overclocking them really does in terms of benchmarking and everday usage. I recommend reading those before overclocking RAM or choosing it for Sandy!!

READ THE FULL THREAD HERE: http://www.overclock.net/intel-memor...ndybridge.html


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post #3584 of 10702
does any one know if i should enable c1e on a gigabyte board i was wondering because the guide linked on the first page of this forum said to disable it. i posted on the gigabyte mother board page but hardly has any activity on it
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post #3585 of 10702
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Quote:
Originally Posted by brian19876 View Post
does any one know if i should enable c1e on a gigabyte board i was wondering because the guide linked on the first page of this forum said to disable it. i posted on the gigabyte mother board page but hardly has any activity on it
enable it, if you experience problems with it then disable it, same with EIST. Sandybridge overclocking is different now.
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post #3586 of 10702
Hmm I sort of want to read up on the Digi+VRM options that are on my motherboard because I am unclear of what they exactly do, like the CPU Current Capability going to 140% for example hmmm.

I actually had a bit of fun running P95 for 12 hours, I went to bed and kept waking up by accident ever hour to check my computer haha, need moar sleep. I sort of want to see if I can push my rig to 5Ghz for a 24/7 OC but I think the temps might get a bit to high.
post #3587 of 10702
Thread Starter 
Quote:
Originally Posted by crabby654 View Post
Hmm I sort of want to read up on the Digi+VRM options that are on my motherboard because I am unclear of what they exactly do, like the CPU Current Capability going to 140% for example hmmm.

I actually had a bit of fun running P95 for 12 hours, I went to bed and kept waking up by accident ever hour to check my computer haha, need moar sleep. I sort of want to see if I can push my rig to 5Ghz for a 24/7 OC but I think the temps might get a bit to high.

Read this in reagards to VRM's http://www.overclock.net/amd-cpus/94...fety-125w.html

Cpu Current capability allows max current to cpu which could allow for higher overclocking and can also help with stability, kinda like the power limits available in other mobo's. I always leave 140% so my mobo does not restrict my overclock in anyway.

If you hit 80/85c in prime it's still okay because you won't be hitting those temps unless you're stress testing, so everyday general usage won't see higher than 75c which is fine imho but obviously depends on voltage and how high you want to go.

Just to let you know, im prime stable and my temps are 61-69-70-67 after a 12hours blend, I barely see 60c when playing bc2.
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post #3588 of 10702
Well having success with 1.400v @4.8Ghz I feel like I could maybe go to 5Ghz at around 1.45v which I believe is what most people call the safe max?
post #3589 of 10702
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Quote:
Originally Posted by crabby654 View Post
Well having success with 1.400v @4.8Ghz I feel like I could maybe go to 5Ghz at around 1.45v which I believe is what most people call the safe max?
safe is whatever you think it is, I've given my opinon on what I think is safe, is in the OP, but yeah you could likely go for 5ghz with 1.45v, however getting 5ghz+ stable does take a little time especially when you start tweaking the PLL and VCCIO along with the vcore.
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post #3590 of 10702
Quote:
Originally Posted by crabby654 View Post
Well having success with 1.400v @4.8Ghz I feel like I could maybe go to 5Ghz at around 1.45v which I believe is what most people call the safe max?
goodluck with that...i had a good measure of stability at 4.8@1.38V so i tried jumpin to 5.0 and man that was a rough jump. Everything started going haywire at 5.0, went back to 4.8. Ill give it a shot agaain when i get more time and cooler temps. BTW at 5.0 it looked like i needed about 1.44-1.46V
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