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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 369

post #3681 of 10702
Can I ask how you guys deal with Turbo Boost etc.?

Currently I have the main CPU multi set to 33, but the Turbo multiplier set to 40 on all 4 cores. CPU voltage is set to 1.20V and PLL to 1.70V.

Basically I'm following this guide as closely as possible, but different guides seem to have different methods of dealing with Turbo Boost, and with most other things too.

Oh, and one more thing, what should the Turbo Power Limit be set to ideally? It's currently at 120W.
post #3682 of 10702
Thread Starter 
Quote:
Originally Posted by cba1986;14883719 
Well. I put PLL at 1.55 and down the offset from -0.010 to -0.015 and pass both 1344 and 1792 for about 25 minutes with 4Gb of RAM used.
Let see if this settings can do 12Hs blend .

Offtopic
Two days ago, i bought an SSD Corsair GT120GB. And WOW, this thing fies. Don't even show the windows logo.
/offtopic

Wow that's pretty good, so what you're trying to do is lower the pll and see if you can lower the vcore down aswell, is that for the same overclock you have on the spreadsheet?

LOL you wont ever go back to a mechanical drive ever again, the power of SSD is sublime. smile.gif





Quote:
Originally Posted by Ellis;14883914 
Can I ask how you guys deal with Turbo Boost etc.?

Currently I have the main CPU multi set to 33, but the Turbo multiplier set to 40 on all 4 cores. CPU voltage is set to 1.20V and PLL to 1.70V.

Basically I'm following this guide as closely as possible, but different guides seem to have different methods of dealing with Turbo Boost, and with most other things too.

Oh, and one more thing, what should the Turbo Power Limit be set to ideally? It's currently at 120W.

AFAIK Turbo boost is what allows the overclock to stay in place, if you disable turbo you disable the overclock. I usually leave the cpu multi on auto and just change the turbo ratio. The power limit could be left on 120w, if you start experiencing throttling when using high multipliers then increase that value. Most of the info on that guide actually derived from this thread, so everything you require should be available here.

Try this guide:
my little sandy guide (Click to show)

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 (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 thumb.gif

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


Here are the additionl info regarding PLL voltage, VCCIO and VCCSA: READ THIS & THIS
Quote:
Originally Posted by munaim1;14786120 
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.

smile.gif
Edited by munaim1 - 9/9/11 at 6:23pm
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post #3683 of 10702
Quote:
Originally Posted by munaim1;14883571 
eek.gif A-M-A-Z-I-N-G temps!!!!

Glad to finally have you onboard, welcome to the club. thumb.gif

Please give it a couple minutes before it shows up on the spreadsheet, as you are waiting I will ask a small favour from you, it'll take a 5mins max, care to provide your BIOS screenshots?? tongue.gif

Thanks smile.gif, I spent a lot of time on it so its nice to get great results. I told myself I shouldnt point out my own success... but hell I just couldnt help myself lol.
    
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post #3684 of 10702
Quote:
Originally Posted by munaim1;14884062 
Wow that's pretty good, so what you're trying to do is lower the pll and see if you can lower the vcore down aswell, is that for the same overclock you have on the spreadsheet?

LOL you wont ever go back to a mechanical drive ever again, the power of SSD is sublime. smile.gif

AFAIK Turbo boost is what allows the overclock to stay in place, if you disable turbo you disable the overclock. I usually leave the cpu multi on auto and just change the turbo ratio. The power limit could be left on 120w, if you start experiencing throttling when using high multipliers then increase that value. Most of the info on that guide actually derived from this thread, so everything you require should be available here.

Try this guide:
my little sandy guide (Click to show)

Here's my quick little sandy guide:



smile.gif
Excellent, thanks for explaining and for the guide. I'll reset everythang to stock now and then try that method.

How come you guys use Prime95 for testing and not something like LinX?
post #3685 of 10702
Thread Starter 
Quote:
Originally Posted by donkrx;14884100 
Thanks smile.gif, I spent a lot of time on it so its nice to get great results. I told myself I shouldnt point out my own success... but hell I just couldnt help myself lol.


That is definitely something to show off!!! thanks for the bios pics, I'll add them in a sec thumb.gif



Quote:
Originally Posted by Ellis;14884204 
Excellent, thanks for explaining and for the guide. I'll reset everythang to stock now and then try that method.

How come you guys use Prime95 for testing and not something like LinX?

No worries, if you find something difficult to understand or need help let us know biggrin.gif

LinX / IBT are not very reliable when it comes to sandybridge, all it manages to do is increase the temps by a ridiculous amount compared to Prime95. I have seen some that have stabilized a rig based on an X number of runs and then a minute into prime blend and it fails. I remember a few months ago, someone was asking whether or not two weeks worth of folding can be used as proof and wanted to join the club, I refused as it won't be fair on other's and then the member attempted a prime blend run, lol failed within the first hour tongue.gif

Prime95 blend test with 90% available RAM is THE ultimate test for sandybridge. biggrin.gif
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post #3686 of 10702
Quote:
Originally Posted by munaim1;14884271 
That is definitely something to show off!!! thanks for the bios pics, I'll add them in a sec thumb.gif






No worries, if you find something difficult to understand or need help let us know biggrin.gif

LinX / IBT are not very reliable when it comes to sandybridge, all it manages to do is increase the temps by a ridiculous amount compared to Prime95. I have seen some that have stabilized a rig based on an X number of runs and then a minute into prime blend and it fails. I remember a few months ago, someone was asking whether or not two weeks worth of folding can be used as proof and wanted to join the club, I refused as it won't be fair on other's and then the member attempted a prime blend run, lol failed within the first hour tongue.gif

Prime95 blend test with 90% available RAM is THE ultimate test for sandybridge. biggrin.gif
Ah okay, I'll stick to Prime95 then.

The one bit I'll admit I don't undestand is about the LLC, or as Gigabyte calls it "multi-steps load-line"

With vCore set to Auto and the CPU at stock settings, running Prime95 Blend (and therefore at 34x multi) the voltage in TouchBIOS (CPU-Z doesn't display it accurately) seems to sit at 1.18V. Don't know if that helps/changes anything.
post #3687 of 10702
Thread Starter 
Quote:
Originally Posted by Ellis;14884328 
Ah okay, I'll stick to Prime95 then.

The one bit I'll admit I don't undestand is about the LLC, or as Gigabyte calls it "multi-steps load-line"

With vCore set to Auto and the CPU at stock settings, running Prime95 Blend (and therefore at 34x multi) the voltage in TouchBIOS (CPU-Z doesn't display it accurately) seems to sit at 1.18V. Don't know if that helps/changes anything.


LLC = Load Line Calibration. It helps eliminate / reduce the vdroop as much as possible when the cpu is under full load. Vdroop occurs when the vcore settings in the BIOS is lower than what the actual CPU is getting when it is under full load. For example if you set the bios to 1.35v without LLC, under load the cpu is more than likely receiving after vdroop around 1.3v, that reduction is called vdroop. The different levels of LLC enable you to eliminate the vdroop as much as possible. So during your quest for stability you must find which LLC works better for you.

Just a note, if when idling the cpu vcore is higher than what is set in the bios then that's generally fine, as long as the cpu vcore is not higher when it is under full load.

The first thing to check is if your components are working correctly under stock, so prime it for a few mintues to determine that, that's for the RAM and CPU, then continue with the guide I provided.

Hope that helps thumb.gif
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post #3688 of 10702
Man munaim I am jealous of your 5.1Ghz overclock that I am contemplating trying to go for 5Ghz 24/7 but I fear my temps will go wild. I sort of don't want to turn off HT since that was the main reason for my i7 but still, 5Ghz would so nice.

I think what I might try to do is lower my Vcore from 1.400v to the next step down and see if I can get hit that stable, maybe less temps on that OC.
post #3689 of 10702
Quote:
Originally Posted by munaim1;14884373 
LLC = Load Line Calibration. It helps eliminate / reduce the vdroop as much as possible when the cpu is under full load. Vdroop occurs when the vcore settings in the BIOS is lower than what the actual CPU is getting when it is under full load. For example if you set the bios to 1.35v without LLC, under load the cpu is more than likely receiving after vdroop around 1.3v, that reduction is called vdroop. The different levels of LLC enable you to eliminate the vdroop as much as possible. So during your quest for stability you must find which LLC works better for you.

Just a note, if when idling the cpu vcore is higher than what is set in the bios then that's generally fine, as long as the cpu vcore is not higher when it is under full load.

The first thing to check is if your components are working correctly under stock, so prime it for a few mintues to determine that, that's for the RAM and CPU, then continue with the guide I provided.

Hope that helps thumb.gif
Ah okay, but how do I know how much LLC I need? Also, do I find that out before or after increasing the multiplier for an overclock? Do I just set a certain voltage in the BIOS, note how different it is when being reported, then increase the LLC until the BIOS setting is the same as the reported voltage?

And yeah, I've run just over 10 minutes of Blend at stock settings and it's all fine.
post #3690 of 10702
Thread Starter 
Quote:
Originally Posted by crabby654;14884400 
Man munaim I am jealous of your 5.1Ghz overclock that I am contemplating trying to go for 5Ghz 24/7 but I fear my temps will go wild. I sort of don't want to turn off HT since that was the main reason for my i7 but still, 5Ghz would so nice.

I think what I might try to do is lower my Vcore from 1.400v to the next step down and see if I can get hit that stable, maybe less temps on that OC.

LOL I coudl run my overclock for a couple hours with prime blend at 5.1ghz with only 1.43v lol. I did get pretty luck with the chip, it does pretty decent volts, im sure I can get 5ghz with less than 1.4v or around that. My cooling maintains this overclock quite well, I attached my rad to the top of the tower with 6 fans on push/pull which allows me to get some pretty decent temps, mind you when I did my prime blend I had all my fans at 25% so barely audible. If I did increase all of them to 100% im sure I could get my temps around the 60c mark lol.

Leave the HT on, If I had a 2600k I wouldn't turn it off, yeah the 2500k overclocks like a beast but look at the spreadsheet, some 2600k are up there with it, combined with HT, you definitely got a winner. I would be happy if I got around 4.8ghz with HT on if I had the 2600k.

I would reduce a couple notch's then retest your overclock. It works better when you you're working your way up as opposed to down.

smile.gif
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