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[Official] The Sandy Bridge 5ghz + Club - Page 117  

Poll Results: Should we use blend only or small fft too?

Poll expired: Feb 25, 2011  
  • 53% (37)
    1 hr Blend only
  • 46% (32)
    1 hr Small Fft, 1 hr Blend
69 Total Votes  
post #1161 of 2120
Do you have pll overvoltage enabled when trying to stabilize 5.1?
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post #1162 of 2120
Quote:
Originally Posted by hoss331 View Post
Do you have pll overvoltage enabled when trying to stabilize 5.1?
Tried it with and without. It didn't seem to affect anything. Just as a quick double check on asus boards, enable C-states/speedstep and disable cpu spread spectrum? If that's correct then I'm going to try a little more tweaking but I don't see any inherent issues in settings.

CPU Pll is at 1.75v
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post #1163 of 2120
your turbo is enabled right?
stock ram settings
Edited by coolhandluke41 - 2/19/11 at 6:25pm
    
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post #1164 of 2120
Thread Starter 
Quote:
Originally Posted by ChickenInferno View Post
Tried it with and without. It didn't seem to affect anything. Just as a quick double check on asus boards, enable C-states/speedstep and disable cpu spread spectrum? If that's correct then I'm going to try a little more tweaking but I don't see any inherent issues in settings.

CPU Pll is at 1.75v
1.72v helped me for stability
    
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post #1165 of 2120
Hey I have a few questions about PLL voltage, LLC, and bios vcore as I'm starting to get things a lil confused. My current settings (on my backup board in case ne of you saw my thread on my 1st ud7 rma) for stable 24/7 5ghz are:

multi 50 x 100
vcore bios 1.455
ram xmp 1600 6-8-6-24 1t at 1.56v
base clock 103
PLL overvoltage auto
LLC 2
24/7 stable 1.42 vc
temps <62c for the duration of all bench tests

Now when I boot into Windows, my vcore on cpuz shows 1.47. I then get into et6 and manually drop vc to 1.385. Then when I run IBT or prime95 blend under load the cpu vc = 1.42 which is the lowest I can get it to run blend for over 12 hours.

This chip seems to do well and will validate at 5.4ghz at 1.56volts [I havent even bothered trying to walk the vc down for a stability test since I was just hoping t opost and validate]. Could someone expand more on PLL overvoltage and what scenarios you'd either enable or disable? Also, any advice as to a more efficient way to get my load vc = 1.42 without having to manually lower my vc in et6?

-snd
Edited by sndstream - 2/19/11 at 6:53pm
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post #1166 of 2120
Quote:
Originally Posted by coolhandluke41 View Post
your turbo is enabled right?
stock ram settings
Actually, the turbo mode is grayed out. I can set it to on by setting the ratio to 50 under power management, but if I set it anywhere else it grays turbo mode. Would this actually make a big difference?

Quote:
Originally Posted by Jonesey I7 View Post
1.72v helped me for stability
This was next on my list of things to try. I don't know if I will have time for it this weekend. I just finished lapping the chip and dropped temps a few degrees. Loads small FTTs at 68C w/1.488v (Load) for 5.0ghz now. I'll try 1.72 PLL and see if I can lower the vcore for 5.0ghz. If I can, then I will push the 51x and 52x multipliers again.
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post #1167 of 2120
turbo is a big thing with this chips,here are some of the settings you can go by ;
C1E = ON
EIST = ON
C3 & C6 = ON
AI OVERCLOCK TUNER = MANUAL
BCLK/PEG FREQUENCY = 100
TURBO RATIO = BY PER CORE (CANNOT ADJUST IN OS)
CORE 1-4 =
INTERNAL PLL VOLTAGE = ENABLED
MEMORY FREQUENCY =
EPU POWER SAVING MODE = DISABLED
LOAD LINE CALIBRATION = ULTRA HIGH
VRM FREQUENCY = MANUAL
VRM FIXED FREQUENCY MODE = 350
PHASE CONTROL = EXTREME
DUTY CONTROL = EXTREME
CPU CURRENT CAPABILITY = 100%
CPU VOLTAGE = MANUAL MODE
CPU MANUAL VOLTAGE =
DRAM VOLTAGE =

if you want to push higher,change long/short duration to 200/250 and just play with voltages


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Edited by coolhandluke41 - 2/19/11 at 9:03pm
    
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post #1168 of 2120
all the settings are based on 1053,after reading bunch of threads some report the need for more juice with the same settings and increased temps like 3C ,so i just flashed to 1204,going to wait for new bios with updated Marvell/Intel MEI controller firmware
1305 sounds like crap
Edited by coolhandluke41 - 2/19/11 at 9:17pm
    
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post #1169 of 2120
Thread Starter 
Yea baby yea...... for one machine, this ain't half bad.



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post #1170 of 2120
So far i learned using LLC is crap... voltage might drop on one core usage more because of it and PC could crash on idle..., best way to test it is using folding home witch stress just one core for 4-5h
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