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Can't get 2600k passed 4.7ghz - Page 3

post #21 of 27
Thread Starter 
Quote:
Originally Posted by ugotd8;14489697 
I'm at 4.8G @ 1.4 with a similar setup (and it's pretty much the norm as far as average vcore for 4.8 on a 2600K). Frankly, it appears all your settings are geared for a > 5.0Ghz OC, take a step back and work up to all those extreme settings. ;-)

Here's what I would change on your setup:

AI overclock tuner: manual (you'll need to set all mem timings, freq and VDIMM manually)
Internal PLL: disabled (I've had 3 diff. 2600Ks, none needed this until 4.9 or 5.0)
CPU Manual voltage: 1.4 (for starters, may go lower)
VCore PWM Mode: T.Probe (you aren't going to need extreme for 4.7)
Vcore Switching Freq: Manual (this will create a new box right under)
VRM Fixed Frequency Mode: 350
VCore Over-Current Protection: 120%
Intel Adaptive Thermal Monitor: Enabled
EIST: Enabled
CPU C1E: Auto
CPU C3 Report: Auto
CPU C6 Report: Auto

I also have VCore Phase Control set to optimized so I can use offset voltage and idle at 1.0V. It's a little more difficult to dial in your OC using that method, but I think long term it is worth it.

I wasn't able to do any better with these settings. I only got 30 seconds of IBT stability at 1.43v for 4.7ghz.

Thanks for the suggestion though.
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post #22 of 27
Try this and work your way up with the vcore:


Ai Tweaker
  • Ai Overclock Tuner: Manual
  • BLCK/PCIE Frequency: 100.0
  • Turbo Ratio: By All Cores
  • By All Cores: 48
  • Internal PLL Voltage: Disabled
  • Memory Frequency: use the rated speed for your memory
  • DRAM Timing Control: use the rated timings for your memory
  • EPU Power Saving MODE: Disabled


Ai Tweaker\\ CPU Power Management >
  • CPU Ratio: Auto
  • Enhanced Intel SpeedStep Technology: Enabled
  • Turbo Mode: Enabled
  • Long Duration Power Limit: Auto
  • Long Duration Maintained: Auto
  • Short Duration Power Limit: Auto
  • Additional Turbo Voltage: Auto
  • Primary Plane Current Limit: Auto


Ai Tweaker (in the DIGI+ VRM section)
  • Load-Line Calibration: Ultra High
  • VRM Frequency: Manual
  • VRM Fixed Frequency Mode: 350
  • Phase Control: Extreme
  • Duty Control: Extreme
  • CPU Current Capability: 140%
  • CPU Voltage: Manual
  • Vcore: 1.4v
  • DRAM Voltage: use the rated voltage for your memory
  • VCCSA Voltage: Auto
  • VCCIO Voltage: 1.15V
  • CPU PLL Voltage: Auto
  • PCH Voltage: Auto
  • CPU Spread Spectrum: Enabled


Advanced\\ CPU Configuration >
  • CPU Ratio: Auto
  • Intel Adaptive Thermal Monitor: Enabled
  • Active Processor Cores: All
  • Limit CPUID Maximum: Disabled
  • Execute Disable Bit: Enabled
  • Intel Virtualization Technology: Disabled
  • Enhanced Intel SpeedStep Technology: Enabled
  • Turbo Mode: Enabled
  • CPU C1E: Enabled
  • CPU C3 Report: Auto
  • CPU C6 Report: Auto

Thanks to twocables template, up the vcore until you reach stability and make sure you watch the temps.
Edited by munaim1 - 8/6/11 at 9:38pm
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post #23 of 27
Thread Starter 
I tried the settings you posted munaim1, however my bios doesn't show me duty control, and I'm not sure what the equivilant is for the load line calibration of ultra-high (I set mine to ultra [75%]).

I only went as high as 1.5v. My temps went up to 94 and I got a BSOD after ~30 seconds.
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post #24 of 27
Quote:
Originally Posted by Frongo View Post
I tried the settings you posted munaim1, however my bios doesn't show me duty control, and I'm not sure what the equivilant is for the load line calibration of ultra-high (I set mine to ultra [75%]).

I only went as high as 1.5v. My temps went up to 94 and I got a BSOD after ~30 seconds.
Oh wow, didn't check to see what cooling you have, on air I didn't see you going any further to be hones, sorry bud but sometimes the chip has the potential but the cooling isn't good enough and sometimes it's the other way round.

I would advise you to leave it at around 4.5/4.6 with HT on, that would be an pretty impressive overclock
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post #25 of 27
people forget these chips are still doing 1Ghz+ in their sleep...
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post #26 of 27
Quote:
Originally Posted by CloudX View Post
people forget these chips are still doing 1Ghz+ in their sleep...
so true
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Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
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post #27 of 27
Thread Starter 
I just figured that I was doing something wrong with my settings which caused me to have to use ridiculously high voltages. I was hoping for a better long term 24/7 clock than 4.6ghz but I guess there are more CPUs in my situation than I though.

I found this thread last night:
http://www.asusrog.com/forums/showth...clocking-Guide

1. Approximately 50% of CPUs can go up to 4.4~4.5 GHz
2. Approximately 40% of CPUs can go up to 4.6~4.7 GHz
3. Approximately 10% of CPUs can go up to 4.8~5 GHz (50+ multipliers are about 2% of this group)

If I really wanted to get better clocks, I guess I'd either have to get a water cooling setup and have to replace my CPU in a few months, or just go out and buy another CPU now and hope that it's better than this one

Thanks for the help guys!
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BenQ XL2410T Topre Realforce Corsair AX1200 Corsair Obsidian 800D 
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My System
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CPUMotherboardGraphicsRAM
i7 3770k ASUS Maximus IV Extreme EVGA GTX 690 Corsair XMS3 2000mhz 2x4gb 
Hard DriveCoolingOSMonitor
1x 500gb, 2x1tb striped Cooler Master Seidon 240M Windows 7 Pro x64 Acer G24 
MonitorKeyboardPowerCase
BenQ XL2410T Topre Realforce Corsair AX1200 Corsair Obsidian 800D 
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