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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 892

post #8911 of 10701
Hi Guys

Thanks for the great thread filled with lots of info im really getting the most out of my 2700k

ive been using a poor 2600k before this but passed it on to the family pc

getting good results so far with my 2700k easily stable at 4.6 @ 1.296 (72c prime) and 4.7 @ 1.312 (77c prime)

4.8 is more tricky so far it needs around 1.344 ~ 1.352 (83c prime) but im trying to see if i can lower it
but i did get a 0x00000101 during prime using 90% ram when i lowered the offset from 0.055 to 0.050 so i doubt it frown.gif

my main question is whats better using a lower LLC and higher offset like high + 0.055 or high LLC and low offset like ultra high + 0.010

i really had my heart set on 4.8 but might settle for 4.7 wont be that much difference and needs much less vcore and is alot cooler

this is not my submission as i forgot to use 90% of RAM and ive got another 8gb to install just testing ATM
thanks again guys

420
333
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post #8912 of 10701
@ Sem

Few facts regarding LLC:

1. High LLC and low offset can get you lower vcore when idle.
2. The vcore over time tends to fluctuate more when using really high level LLC as oppose to mid/low level LLC.

Things you should watch out for when choosing LLC level:

1.Your minimum stable idle vcore:

if you use negative offset with a relatively high level of LLC, you need to make sure you are at least giving your chip enough power to be stable when idle.

2. Vcore spikes and dips

While vcore fluctuation over time within a small range is normal, major spikes and dips may also happen when using really high LLC, and these can be a problem. Spikes can over-volt your chip and possibly damaging it even if it's just for a split second. Dips can cause instability leading to crash.

Each board/chip combination nets different results when it comes to how LLC relates to these vcore spikes/dips. I suggest you get HWMonitor program, observe the min/max vcore, and test it yourself using different LLC levels.
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post #8913 of 10701
Quote:
Originally Posted by Sashimi View Post

@ Sem

Few facts regarding LLC:

1. High LLC and low offset can get you lower vcore when idle.
2. The vcore over time tends to fluctuate more when using really high level LLC as oppose to mid/low level LLC.

Things you should watch out for when choosing LLC level:

1.Your minimum stable idle vcore:

if you use negative offset with a relatively high level of LLC, you need to make sure you are at least giving your chip enough power to be stable when idle.

2. Vcore spikes and dips

While vcore fluctuation over time within a small range is normal, major spikes and dips may also happen when using really high LLC, and these can be a problem. Spikes can over-volt your chip and possibly damaging it even if it's just for a split second. Dips can cause instability leading to crash.

Each board/chip combination nets different results when it comes to how LLC relates to these vcore spikes/dips. I suggest you get HWMonitor program, observe the min/max vcore, and test it yourself using different LLC levels.

I wish hwmonitor would work for gigabyte.

Anyway here is my 2nd attempt core in BIOS 1.300 CPU-Z showing 1.296.

Pll set to 1.171 LLC Turbo.

Z77 ud5h wish me luck.

herewego.jpg

Chad
Edited by nimitz87 - 5/15/12 at 9:01pm
post #8914 of 10701
Quote:
Originally Posted by Sem View Post

my main question is whats better using a lower LLC and higher offset like high + 0.055 or high LLC and low offset like ultra high + 0.010

Quote:
Originally Posted by Sashimi View Post

@ Sem
Few facts regarding LLC:
1. High LLC and low offset can get you lower vcore when idle.
2. The vcore over time tends to fluctuate more when using really high level LLC as oppose to mid/low level LLC.
Things you should watch out for when choosing LLC level:
1.Your minimum stable idle vcore:
if you use negative offset with a relatively high level of LLC, you need to make sure you are at least giving your chip enough power to be stable when idle.
2. Vcore spikes and dips
While vcore fluctuation over time within a small range is normal, major spikes and dips may also happen when using really high LLC, and these can be a problem. Spikes can over-volt your chip and possibly damaging it even if it's just for a split second. Dips can cause instability leading to crash.
Each board/chip combination nets different results when it comes to how LLC relates to these vcore spikes/dips. I suggest you get HWMonitor program, observe the min/max vcore, and test it yourself using different LLC levels.


I've just switched to High LLC (50%) from Extreme (100%) while changing from manual to offset voltages for my overclock.
50% does require a greater offset, but has led to much more stable vCore.
post #8915 of 10701
still running 6 hours later max temps 62 deg.thumb.gif

Chad
post #8916 of 10701
What are your recommendations for adding an extra 8Gb of ram

should i just install and then test to see if its still stable

if its not whats the first thing i should do

raise vcore or vccio & vccsa

the ram is cosair vengence 1600mz cas 8

but might run them @ 1866 cas 9

im hoping i can just slot them in without changing anything
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post #8917 of 10701
Quote:
Originally Posted by Sem View Post

What are your recommendations for adding an extra 8Gb of ram
should i just install and then test to see if its still stable
if its not whats the first thing i should do
raise vcore or vccio & vccsa
the ram is cosair vengence 1600mz cas 8
but might run them @ 1866 cas 9
im hoping i can just slot them in without changing anything

Run memtest86 for about 8 hours on the memory at stock and if it passes, your RAM is good. Just install and go. Now, if you're OCing them, then you might try P95 using 80 to 90% of the RAM during the blend test.
post #8918 of 10701
Anybody not folding in the Chimp Challenge should, if you want to truly test your CPU's OC, let it go crazy and fold for the next 9 days, if you are still up in 9 days, I'd say your stable. biggrin.gif
post #8919 of 10701
Quote:
Originally Posted by anubis1127 View Post

Anybody not folding in the Chimp Challenge should, if you want to truly test your CPU's OC, let it go crazy and fold for the next 9 days, if you are still up in 9 days, I'd say your stable. biggrin.gif
I got in for the first time. I like using this as a stability test much better since its doing some good. biggrin.gif
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post #8920 of 10701
Quote:
Originally Posted by AllDay028 View Post

Hey, so on my way to 4.8 ghz I upped the voltage to 1.38. Once I did that windows wouldn't load till I got back down to 1.36 in bios. Any idea what to do for this?

try running the same voltage and underclock you RAM and see if you can boot than run prime for couples min and see what temps you got and restart and load the RAM at its Stock clock and see if you can boot.
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