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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 504

post #5031 of 10701
An update to my progress:

4.5GHz achieved @ 1.280 VCore. Maximum temperature of 69c, but it was hovering around the 60c area for most of the time. This was after 15hrs, mind you.

Going to go ahead and see how far I can get, then put up my final details when I get there.
    
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post #5032 of 10701
Count me in! Still trying to get the voltage lower, but ran P95 while I slept, so at least I know this voltage is 100% stable.



Huh, just realized that my RAM settings didn't save, I'll have to go fix those.
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post #5033 of 10701
Quote:
Originally Posted by turrican9 View Post
Worker#7 - Not running... huummmhh... 79% load...
task manager sees 100% load across all 8 cores?!
post #5034 of 10701
Quote:
Originally Posted by DaGoat View Post
Nope, this is not an error, I indeed experienced a loss of FPS that I attributed to SATA performance loss when disabling Cstates during an overclock, this is why I wrote this and made a research on Cstates. But the graph indeed shows a loss of performance when Cstates enabled. Two scenarios:

1) As indicated in the paragraph below, there is loss of SATA performance simply by tweaking Cstates out of their default parameters,

or, more plausible,

2) In fact nothing proves that the loss of FPS I've experienced was due to SATA, it was certainly something else and I've looked in the wrong direction when seeking info on Cstates.
But in the end this made me discover a useful piece of info .

It was a long time ago, now my OC works so I can't tell you why my FPS dropped down at this very moment.

Anyway, so,
Regarding Offset & Cstates:

_________________________________________

1) Here's a copy-paste from this thread

A few Words about Offset Vcore.

Me and others have seen that when using Offset instead of manually typing in the Vcore, you get a more stable Vcore - Vcore will fluctuate less VS manual Vcore. This again can contribute to a somewhat lower Vcore needed for a certain clock frequency VS manual Vcore setting.

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. This was tested with LLC at Ultra high. My real Live Prime 95 Blend Vcore varied between 1.360v - 1.376v. And for the most part was about ~1.368v.

If you are stable at full load, like Prime95 while using Offset, but get BSOD's when Idle/light load it is probably because the CPU Vcore ramps down on different load.

This usually happens at higher overclocks when using Offset. For me it works perfectly to use Offset at 4.5GHz with no BSOD's. But if you get problems on higher overclocks, you can try one of two things:

i) Try disabling C3/C6 states. This will hinder the CPU in ramping down the Vcore (as much?) when at idle/light load with Offset Vcore. (Will try this myself. Got a report it helped stability.) Update! I have been using C3/C6 disabled for a long time now. Turns out these can cause idle BSOD's or freezing if they are at AUTO or ENABLED when overclocking. Me and others have confirmed it is best to leave these two Disabled when overclocking.

Beware though, that when disabling both C3 and C6 the Turbo Ratio: By Per Core function in bios will no longer work.


ii) Use manual Vcore setting instead of Offset.

__________________________________________________ ___

2) Another copy paste from this post, quote by by JuanJose


Quick note regarding options that can affect subsystem performance
It is NOT advised to make adjustments to Cstates as this can considerably affect hard drive throughput performance ( especially SATA6G SSD or Sandforce 2 based SSD ). It is recommended that all CPU power configuration states be left on their default parameters. Overclocking tests have shown internally no increase in multiplier scaling when adjusting these values. * under special cases with high multi capable CPUs and synthetic high load applications ( Linx, Prime, Occt ) it may required C states to be disabled. This has generally only been confirmed for some 51-54 multi capable CPU’s.

__________________________________________________ ___


Et voila. (Thanks for the Heads-up Munaim! )
Wow that is an awesome read, now correct if I am being a moron again.

Disabling C states = Less BSODs with high end overclock?
Disabling C states = Slower write speed for Sata6gb SSD's?

Enabling C states = Possible more BSODs with high overclock?
Enabling C states = normal or increased write speeds on SSDs?
post #5035 of 10701
please add me

4.8ghz @ 1.33v

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post #5036 of 10701
Here are my observations:

UEFI Monitor:

Extreme LLC - 1.296/1.304
Ultra High LLC - 1.304/1.312
High LLC - 1.296/1.304

CPU-z idle voltage:

Extreme LLC - 1.296/1.304
Ultra High LLC - 1.304/1.312
High LLC - 1.296/1.304

Isn't it weird that Ultra High produces even more idle voltage than Extreme?

Also, why are the VCore reading in UEFI the same as the ones in CPU-Z? I thought that VDrop makes the idle voltage in Windows (CPU-Z) less than what is actually set in the UEFI?
post #5037 of 10701
nice volts nekromantik.

Share your template
post #5038 of 10701
thanks
I cant find the templates on here but here are my settings:

Multi 45
PLL Over-voltage enabled
VRM freq 350
phase control extreme
duty control extreme
CPU Current Capability 140%
CPU volts: offset - 0.040
CPU PLL Voltage 1.7

everything else on auto
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post #5039 of 10701
Add me to the club! 4.7ghz stable. Will be trying for 5.0ghz after I install new RAM.



Here are my settings


CPU Ratio Setting: Manual
Max Ratio: 47
Internal PLL Overvoltage: Enabled
Intel Speedstep: Enabled
Turbo Boost Power Limit: Manual
Short Duration Power Limit: 300
Long Duration Power Limit: 300
Additional Turbo Voltage: Auto
Core Current Limit: 250
Host Clock Override (BLCK): 100
Spread Spectrum: Disabled
Power Save Mode: Disabled
CPU Core Voltage: 1.400v
Load Line Calibration: Level 2
DRAM Voltage: 1.5v
PCH Voltage: 1.612v
CPU PLL Voltage: 1.709
VTT Voltage: 1.116
VCCSA Voltage 0.925

C3 and C6 states disabled
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post #5040 of 10701
awesome temps at that voltage and freq!

I deffo need to re-sit my silver arrow as SA beats the Ven X and Im gettin higher temps then you for less voltage.
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