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2700K at 5.3ghz, hit bit of a wall.

post #1 of 20
Thread Starter 
Howdy all

I come asking you all for assistance! tongue.gif I have been doing quick dirty runs into windows with ~1.53v, best I managed to 5.3ghz. When I go for 5.4ghz, I get a black screen with flashing white _ in the top left hand corner and it just stays on this. I have tried adding 4 extra cpu voltage notches and disabled cpu voltage monitoring in bios to enable it to boot, but it still has this screen. Is there some other setting im missing out on or need to disabled/enable?

thanks

319
post #2 of 20
Try either lower bus speed and a higher multiplier. Like yours does 53x @ 100 bus. Try 54x @ 99.9 bus, etc. Some cpus you have to do it odd like that. And you have Internal PLL Overvoltage? Thanks
post #3 of 20
Thread Starter 
Internal cpu PLL overvoltage is enabled, I will try the baseclock change. How high should I look to go on the baseclock? stay under 105?
post #4 of 20
if it gives you the cursor that means you have hit the wall of your chip and its at the max-multi.
post #5 of 20
May I dare say your wall is 5+ Ghz on air cooling?
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post #6 of 20
ASUS P8P67 Pro/Evo/Deluxe OC discussion thread
Post your results and bios settings.


Latest bios: 2303 BETA
- Improve system stability

Bios and drivers download links. Thx to SimpleTECH

Newegg video on ASUS P8P67 oc. Gets interesting from 9:20:
http://www.youtube.com/watch?v=3vBN-cBPs98

Observations around 5ghz mark:
Internal CPU PLL overvoltage = Enabled (for around 4,9ghz+ oc).
VCCSA, VCCIO, CPU PLL, PCH voltages didnt seem to affect oc.
LLC = Ultra High. Seems to be the optimal setting with manual vcore (to reduce voltage drop under load).
Short/Long Duration power limit didnt seem to affect oc.
EIST, C1E/C3/C6 didnt seem to affect oc.
(More info, look at the UEFI pictures)

OC guide by Clunk - based on Asus board:
Link Thx to Clunk

Asus rep on OC'ing:
http://www.xtremesystems.org/forums/...d.php?t=265398

On VRM frequency:
Asus Ai Suite states higher VRM freq. should give better oc capability. My findings

The not yet confirmed "Don'ts":
CPU PLL voltage over 1.9v.
Temperatures over 80c.
Increasing the VCCSA voltage.
DRAM voltage over 1.65v.

Stress testing Sandy Bridge:
Prime95 seems to load CPU way more than LinX. Download link

CPU-Z 1.56.3 beta: Download link

Asus P8P67 board line-up:


"AI Tweaker" Page"
AI Overclock Tuner = Manual
BCLK/PEG Freq = 100
Memory Frequency = 1600mhz or whatever freq your Mem is.
OC Tuner. Disabled
EPU Power Saving = Disabled
EPU Settings. Disabled
Dram Timing Control. Set to memorys SPD timings.
Internal PLL overvoltage = Enabled (You need the latest bios for this option!) Latest bios 1053

CPU Power Management
CPU Ratio - Manual
Turbo Ratio = By All Cores
By all cores = 50
Turbo Mode = Enabled
Load Line Calibration = Ultra High
VRM Spread Spectrum = Disabled
VRM Frequency = Manual
VRM Fixed Freq Mode = 370
Phase Control = Extreme
Duty Control = T.Probe
CPU Current Capability = 120%
Dram Voltage = Set to Memory spec.

CPU Voltage = Manual - 1.375v to start for 5000 Ghz. May require more or less. Be careful with the voltage
All other voltages = Auto

Advanced -> CPU Configuration Page
CPU Ratio = 50
Intel Adaptive Thermal Monitor = Enabled
Hyper-Threading = Enabled
Active Processor Cores = All
Limit CPUID Maximum = Disabled
Execute Disable Bit = Enabled
Speedstep = Disabled
Turbo = Enabled
C1E = Enabled
C3 = Disabled
C6 = Disabled

All power saving features off.


http://www.xtremesystems.org/forums/showthread.php?265228-ASUS-P8P67-Pro-Evo-Deluxe-OC-discussion-thread
post #7 of 20
Here is a good readme for you and the asus board. this will show you how to find your max bclk on your board. I know you don't have a ROG Board but most of this should still help you out. 106-018 bclk I've seen. But we all know just depends on your cpu and setup. And I've got bad luck....Thanks

tip for maximizing bclk:

Bios-Sandybridge-CPU-Overview
post #8 of 20
I think you've pretty much hit your limit in regards to overclocking. You can turn off HT and see if it will go higher, otherwise you will have to just keep adding voltage (and better cooling) or you need to start turning off cores.
    
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post #9 of 20
Thread Starter 
Quote:
Originally Posted by kow_ciller View Post

if it gives you the cursor that means you have hit the wall of your chip and its at the max-multi.

I see, do you mind me asking how you know that the cursor means ive hit max multi wall? Ive never heard anyone mention that before thats all. Also this is what im seeing - http://windows7.iyogi.com/wp-content/uploads/black-screen-error.gif
Quote:
Originally Posted by Jolly Roger View Post

May I dare say your wall is 5+ Ghz on air cooling?

Yea its on air, im using a prolimatech megahalem cpu cooler.
post #10 of 20
well ure already going over what intel suggest is dangerous but i think u shud follow KLLER_K. Try lowering bus speed
    
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