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Sandy Bridge - Voltage @ Mhz list - Page 18

post #171 of 401
Quote:
Originally Posted by cmeeks View Post
Yeah, let's see it!
i saw a big different when i stopped using manual voltage and set it with off set voltage. i could lower my voltage much more with off set voltage than manual and be stable but only with the options i will be posting.

BCLK - 100.0
turbo raio - all cores
ratio - 48x
internal pll overvoltage - enable
EPU POWER SAVING - DISABLE
ENHANCED INTEL SPEED STEP TECH - ENABLE

DIGI+ VRM (without this setting i was getting BSOD at the welcome screen)
edit: this really does not affect your temp.

LLC - ULTRA HIGH
VRM - MANUAL
VRM FIXED FREQUENCY MODE - 500
PHASE CONTROL - EXTREME
DUTY CONTROL - EXTREME
CPU CURRENT CAPABILITY = 130%

CPU VOLTAGE - OFFSET MODE
OFFSET MODE SIGN - +
CPU OFFSET VOLTAGE -0.030V
CPU PLL VOLTAGE - 1.55V
CPU SPREAD SPECTRUM - ENABLE
Edited by eduardmc - 1/17/11 at 8:48pm
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post #172 of 401
Quote:
Originally Posted by ugotd8 View Post
I'm only at 150 BSODs. :-)

Really looking forward your findings.
im at like 50 bsods and im still at 4.5 lol. I keep taking breaks to game
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post #173 of 401
Quote:
Originally Posted by eduardmc View Post
i saw a big different when i stopped using manual voltage and set it with off set voltage. i could lower my voltage much more with off set voltage than manual and be stable but only with the options i will be posting.

BCLK - 100.0
turbo raio - all cores
ratio - 48x
internal pll overvoltage - enable
EPU POWER SAVING - DISABLE
ENHANCED INTEL SPEED STEP TECH - ENABLE

DIGI+ VRM (without this setting i was getting BSOD at the welcome screen)
edit: this really does not affect your temp.

LLC - ULTRA HIGH
VRM - MANUAL
VRM FIXED FREQUENCY MODE - 500
PHASE CONTROL - EXTREME
DUTY CONTROL - EXTREME
CPU CURRENT CAPABILITY = 130%

CPU VOLTAGE - OFFSET MODE
OFFSET MODE SIGN - +
CPU OFFSET VOLTAGE -0.030V
CPU PLL VOLTAGE - 1.55V
CPU SPREAD SPECTRUM - ENABLE
CPU PLL VOLTAGE - 1.55V <---------- is that a typo? 1.75 perhaps ?
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post #174 of 401
Quote:
Originally Posted by cmeeks View Post
How is it that I can get by with 1.30v at 4.6GHz and yet I need 1.42v at 4.8GHz?
There has got to be something else that needs to be changed. QPI/Vtt (VCCIO) maybe? Better BIOS? .12v extra for .2GHz higher overclock seems rather ridiculous. Sin???
    
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post #175 of 401
 
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post #176 of 401
Quote:
Originally Posted by ugotd8 View Post
CPU PLL VOLTAGE - 1.55V <---------- is that a typo? 1.75 perhaps ?
not a typo. it seems that lowering the voltage in pll give you better overclocking. i was not stable few days because i set my pll at 1.89v but read a post that said to lower it to 1.76v. This helped knock down 0.2v and 3C but i just lowered it to the lowest voltage my mobo would boot up. if i set it at 1.50v it doesn't boot up. It seems this is one of those occasion that lower is better.
Edited by eduardmc - 1/17/11 at 9:04pm
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post #177 of 401
Quote:
Originally Posted by eduardmc View Post
not a typo. it seems that lowering the voltage in pll give you better overclocking. i was not stable few days because i set my pll at 1.89v but read a post that said to lower it to 1.76v. This helped knock down 0.2v but i just lowered it to the lowest voltage my mobo would boot up. if i set it at 1.50v it doesn't boot up. It seems this is one of those occasion that lower is better.
hmm I am glad I caught this gunna try it out when i up my oc tomorrow
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post #178 of 401
i throw this up on about 20 min of learning how to overclock so i dont think its prefect plus i have no i idea where or what vcore is and i have stock cooler so i gets hot pretty quickly when running prime 95 but i think it has potential
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post #179 of 401
Quote:
Originally Posted by theproodnoob View Post
i throw this up on about 20 min of learning how to overclock so i dont think its prefect plus i have no i idea where or what vcore is and i have stock cooler so i gets hot pretty quickly when running prime 95 but i think it has potential
vcore is the voltage that is fed to the cpu. Your chip is stable because vid is upping the voltage for you automatically. Set your vcore manually and you can prob lower it a bit and you will get better temps.
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post #180 of 401
k dont know why pic came out so small
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