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My i7-2600k Gigabyte GA-Z68X-UD3H Noctua NH-D14 OVERCLOCK LOG (with Load Line Calibration) - Page 2

post #11 of 15
I have a similar setup and frustration..

2500k ga-z68x-ud5-b3

I had been running at 4.8ghz for months with:

turboboost off
2133mhz 8gb g.skill xmp profile
vdimm 1.68v
vcore 1.405v
vccio 1.22v
llc 6

Out of nowhere I get idle/browsing 124's

I dropped it to 4.6ghz and used 1.14vccio 1.38vcore and it tests fine.

I could try going with 4.8ghz again at 1.410 or more vcore as my temps are fine.

However, I'm starting to doubt my vccio setting or am thinking degredation >_<<br />

Prior, I had raised vccio up slowly (ending up at 1.22) to become stable at 4.8ghz with 2133mhz mem, but now I wonder if that could have contributed to instability in the long run and I just needed more vcore. I'm starting to run out of patience running independent tests for each combination at pesky 4.8 tongue.gif

this is interesting: http://www.evga.com/forums/tm.aspx?m=1592499&mpage=1&print=true
Edited by pham - 8/4/12 at 10:05pm
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post #12 of 15
Thread Starter 
@Pham,

I think you need more Vcore, not more VCCIO. Many people think 1.15v is that max safe VCCIO anyway, so you are over that at 1.22v. You should test your stability on the CPU by downclocking your RAM to 1600. Then you know RAM isn't the issue. I would gradually increase your Vcore up to 1.45v. As long as your temps stay below 80C you are fine. You can use Prime95 for stability testing.

After doing more reading on x124 BSODs, I decided to try Intel Burn Test to check system stability. IBT caused x124 within minutes of starting. Gradually increasing voltage to 1.455v caused incremental increases in stability. With each increase it would take longer to cause a BSOD. At 1.455v (which was 1.45 actual voltage in CPU-Z), I was able to pass 10 IBTs. With 4gb of RAM usage I was only able to pass 1 round. This whole process showed me that even though my folding is stable mostly stable with 1.4v, additional Vcore does provide more stability. I am currently testing 1.425v (1.428-1.440 actual) with the RAM @ 2133 1.6v & 1.15 VCCIO. Temps at this Vcore are the almost identical to 1.4v (72C on hottest core w/75C max, other cores are 65-71C).

I read your EVGA thread. It seems to agree that we need more vcore to maintain stability.
Edited by valkeriefire - 8/5/12 at 7:09am
 
Mac Mini 2012
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SOLD and retired.
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CPUMotherboardGraphicsRAM
i7-4770k@4.5 1.25v Gigabyte GA-Z87N-Wifi EVGA GTX 1070 SC ACX Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
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i7-3615qm @ 2.3 - 3.3ghz Intel HD4000 8GB Kingston 1600 Crucial MX100 512 Fusion'd to a 500GB Seagate H... 
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Seagate Hybrid 500GB OS X 10.9 Apple Cinema Display 27" 2560x1440 
CPUMotherboardGraphicsRAM
i7-3770k @ 4.6ghz 1.272v  Gigabyte GA-Z77X-UD5H SLi EVGA GTX Titan SC Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
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Mac Mini 2012
(7 items)
 
SOLD and retired.
(17 items)
 
CPUMotherboardGraphicsRAM
i7-4770k@4.5 1.25v Gigabyte GA-Z87N-Wifi EVGA GTX 1070 SC ACX Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveCoolingOS
Samsung 830 256gb SSD OS X Crucial MX200 512GB Windows Corsair H105 Windows 8.1 
OSMonitorKeyboardPower
OS X 10.9.3 Mavericks Dell S2417DG Gsync TN Coolermaster Quickfire TK Mechanical Seasonic SS-760XP2 
CaseMouseAudioAudio
Prodigy ITX Logitech G502 Asus U3 USB  Audio Technica ATH-AD700 Headphones 
CPUGraphicsRAMHard Drive
i7-3615qm @ 2.3 - 3.3ghz Intel HD4000 8GB Kingston 1600 Crucial MX100 512 Fusion'd to a 500GB Seagate H... 
Hard DriveOSMonitor
Seagate Hybrid 500GB OS X 10.9 Apple Cinema Display 27" 2560x1440 
CPUMotherboardGraphicsRAM
i7-3770k @ 4.6ghz 1.272v  Gigabyte GA-Z77X-UD5H SLi EVGA GTX Titan SC Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 830 256gb SSD Windows 8.1 Crucial M4 128GB SSD OS X Mavericks Seagate Momentus Hybid 500gb SAMSUNG DVD-RW 
CoolingCoolingCoolingOS
XSPC Raystorm CPU Block & Titan Razor Blocks XSPC AX240 Push/Pull&Alphacool UT60 280 Push XPSC D5 Dual Bay Pump/Res Windows 7 & OS X Mavericks 
MonitorKeyboardPowerCase
Dell U2713hm 2560x1440 Coolermaster Quickfire TK Red EVGA G2 1000w Fractal Arc Midi R2 
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post #13 of 15
Omitted some of the details as I was typing on my phone, but yes, had been prime 24hr blend 'stable' prior.

I am using EIST now with a 95% (4.5ghz) rule in win, this seems to be sorting the idle 124's, but I need more time to know for sure.

On my UD5 with LLC 6, 1.410 is (1.396 - 1.404 - 1.416 actual both load and idle at these steps)

Memory tells me that 6 is the best, but I think 1.396 might be too low for my particular chip (one weak high temp core).

I'll see if 7 keeps it above 1.4, but IIRC, 7-10 add more "noise" to the vrm signal, especially at higher vcore values, which can manifest as larger fluctuations and instability.
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RevoDrive 120 Samsung 46" UN46B6000 PC P&C TurboCool 860w Coolermaster HAF 932 
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Hard DriveMonitorPowerCase
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post #14 of 15
Thread Starter 
I just discovered the awesomeness of the Sandy Stable Thread. The tips on PLL in the first post and the links are awesome. I am going to try them ASAP.

Check it out Pham.

http://www.overclock.net/t/968053/official-the-sandy-stable-club-guides-voltages-temps-bios-templates-inc-spreadsheet#
 
Mac Mini 2012
(7 items)
 
SOLD and retired.
(17 items)
 
CPUMotherboardGraphicsRAM
i7-4770k@4.5 1.25v Gigabyte GA-Z87N-Wifi EVGA GTX 1070 SC ACX Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveCoolingOS
Samsung 830 256gb SSD OS X Crucial MX200 512GB Windows Corsair H105 Windows 8.1 
OSMonitorKeyboardPower
OS X 10.9.3 Mavericks Dell S2417DG Gsync TN Coolermaster Quickfire TK Mechanical Seasonic SS-760XP2 
CaseMouseAudioAudio
Prodigy ITX Logitech G502 Asus U3 USB  Audio Technica ATH-AD700 Headphones 
CPUGraphicsRAMHard Drive
i7-3615qm @ 2.3 - 3.3ghz Intel HD4000 8GB Kingston 1600 Crucial MX100 512 Fusion'd to a 500GB Seagate H... 
Hard DriveOSMonitor
Seagate Hybrid 500GB OS X 10.9 Apple Cinema Display 27" 2560x1440 
CPUMotherboardGraphicsRAM
i7-3770k @ 4.6ghz 1.272v  Gigabyte GA-Z77X-UD5H SLi EVGA GTX Titan SC Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 830 256gb SSD Windows 8.1 Crucial M4 128GB SSD OS X Mavericks Seagate Momentus Hybid 500gb SAMSUNG DVD-RW 
CoolingCoolingCoolingOS
XSPC Raystorm CPU Block & Titan Razor Blocks XSPC AX240 Push/Pull&Alphacool UT60 280 Push XPSC D5 Dual Bay Pump/Res Windows 7 & OS X Mavericks 
MonitorKeyboardPowerCase
Dell U2713hm 2560x1440 Coolermaster Quickfire TK Red EVGA G2 1000w Fractal Arc Midi R2 
Audio
Asus Xonar U3 w/Audio Technica ATH-AD700 Headph... 
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Mac Mini 2012
(7 items)
 
SOLD and retired.
(17 items)
 
CPUMotherboardGraphicsRAM
i7-4770k@4.5 1.25v Gigabyte GA-Z87N-Wifi EVGA GTX 1070 SC ACX Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveCoolingOS
Samsung 830 256gb SSD OS X Crucial MX200 512GB Windows Corsair H105 Windows 8.1 
OSMonitorKeyboardPower
OS X 10.9.3 Mavericks Dell S2417DG Gsync TN Coolermaster Quickfire TK Mechanical Seasonic SS-760XP2 
CaseMouseAudioAudio
Prodigy ITX Logitech G502 Asus U3 USB  Audio Technica ATH-AD700 Headphones 
CPUGraphicsRAMHard Drive
i7-3615qm @ 2.3 - 3.3ghz Intel HD4000 8GB Kingston 1600 Crucial MX100 512 Fusion'd to a 500GB Seagate H... 
Hard DriveOSMonitor
Seagate Hybrid 500GB OS X 10.9 Apple Cinema Display 27" 2560x1440 
CPUMotherboardGraphicsRAM
i7-3770k @ 4.6ghz 1.272v  Gigabyte GA-Z77X-UD5H SLi EVGA GTX Titan SC Samsung 1600 2x4 @ 2133 10,10,10,28,T1 1.5v 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 830 256gb SSD Windows 8.1 Crucial M4 128GB SSD OS X Mavericks Seagate Momentus Hybid 500gb SAMSUNG DVD-RW 
CoolingCoolingCoolingOS
XSPC Raystorm CPU Block & Titan Razor Blocks XSPC AX240 Push/Pull&Alphacool UT60 280 Push XPSC D5 Dual Bay Pump/Res Windows 7 & OS X Mavericks 
MonitorKeyboardPowerCase
Dell U2713hm 2560x1440 Coolermaster Quickfire TK Red EVGA G2 1000w Fractal Arc Midi R2 
Audio
Asus Xonar U3 w/Audio Technica ATH-AD700 Headph... 
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post #15 of 15
Using your LLC on same mobo but with 2500K.

1.35v bios with LLC6 = 1.4v bios.
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