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Sandy Bridge - Voltage @ Mhz list - Page 20

post #191 of 401
I got the 2600k because it had HT.
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post #192 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
Ok so I've seen a few references to increasing current--is this something I should be trying to improve my OC?

My P8P67-M PRO BIOS is quite different from other boards, but I can set the max wattage (in watts) for long duration (1 to 32 seconds, which I can also set) and for short duration (also in watts, for 10ms duration). I can also set the maximum current (in amps).

Is this something I can look into setting? Is the current capability +130% listed above equivalent to setting 123.5 watts?
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post #193 of 401
4.5ghz @ 1.275v (prime95 16+ hours stable using small FFTs and separate blend test)

I'll edit with exact bios settings, but the only thing I changed was setting manual cpu voltage to 1.275 and setting turbo OC for all cores to 45. Tried 46 at same settings and was not stable.

Anyone have any voltage tweaks for 4.5ghz more efficiently? Max temp on one core was 68C (seems high for only 1.275 and 4.5ghz?) although this was on blend test and happened about 30mins after test started. When I checked the next morning, current temp of that core had dropped to 66C... ambient was 22-23C throughout the night.
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post #194 of 401
What about the CPU Spread Spectrum, what are recommended settings for this one?
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post #195 of 401
I had 4.6 stable or so I thought. My wife turned on my pc and it sat idle for 10 minutes then bsod???

Stressing again, anyone know why it would do this at idle?
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post #196 of 401
Quote:
Originally Posted by lightsout View Post
I had 4.6 stable or so I thought. My wife turned on my pc and it sat idle for 10 minutes then bsod???

Stressing again, anyone know why it would do this at idle?
possibly ram.

Mine does that too sometimes
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post #197 of 401
Just got my new 2500k, ill do some OC'ing when my gpu gets back from RMA

Batch number is L041B522, Same as you Balla!
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post #198 of 401
Quote:
Originally Posted by lightsout View Post
I had 4.6 stable or so I thought. My wife turned on my pc and it sat idle for 10 minutes then bsod???

Stressing again, anyone know why it would do this at idle?
you need more voltage for sure... same happened to me if i need more 0.02 - 0.03v
post #199 of 401
So you guys with 4.8GHz at under 1.4v - is that with HT off?
    
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post #200 of 401
Quote:
Originally Posted by cmeeks View Post
So you guys with 4.8GHz at under 1.4v - is that with HT off?
i can get mine 4.8ghz with 1.360v stable HT ON but shooting for 5ghz. Doing prime95 right now
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My System
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