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Trying to stabilize overclock, confused what's causing instability (2500K, Asrock Extreme3 Gen3)

post #1 of 129
Thread Starter 
I made a thread about overclocking about a month ago (link) and I didn't really overclock since then until yesterday.

I'm trying to find out which settings will allow more stable overclock, i.e. settings that will allow me to lower Vcore without causing instability.

When I say stability, I'm talking about 1 hour or 20 passes in LinX using 25000-27500 problem size.

A month ago I managed to get stable 4.2 GHz using 1.28V Vcore and everything else set to default.

Today I tried 4.2 GHz using these settings:

Vcore - 1.28V
LLC - 3
Turbo boost power limit - 250/250
Core current limit - 250
Spread spectrum - disabled
Power saving - disabled

And it failed (BSOD). This is confusing me because I thought reducing LLC (from default 5 to reduce Vdroop) and increasing turbo boost power limit and core current limit increases stability. Spread spectrum is disabled to help with multiplier dropping under load (turbo boost power limit also helped with that).

Only other change is I added GPU to my system (HD 7850) which I didn't have a month ago.

So, what do you think, why is this happening and how else can I increase stability without editing other voltages and C states?
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CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
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Logitech G400 SteelSeries QcK Logitech Z-2300 
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post #2 of 129
I have my LLC on level 1 but was running the same settings and voltage for 4.2ghz.
post #3 of 129
I think that's a low clock to be stuck on. Can't you raise it to 1.30v, and if it's better then go to 4500?
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WD Caviar Blue WD Caviar Black NZXT Havik 140 Windows 7 64bit 
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CPUMotherboardGraphicsRAM
3570K Gigabyte GA-Z77X-UD3H Gigabyte GTX 670 Windforce OC 2GB Samsung 30nm 
Hard DriveHard DriveCoolingOS
WD Caviar Blue WD Caviar Black NZXT Havik 140 Windows 7 64bit 
OSMonitorKeyboardPower
Windows 8 64bit ASUS GD235HZ (GD245HQ) 120Hz Dell OCZ GameXStream 850W 
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Corsair Carbide 300R Logitech G9 naked Allsop Black Cloth (low profile) Logitech G35 Surround 
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post #4 of 129
Thread Starter 
It's not that I'm stuck, I'm just confused why are those settings less stable than default ones.

As for going higher than that, I don't have need for that yet. Right now I would be satisfied with 4.2 GHz, maybe 4.4 GHz.

I'm keeping CPU life longevity in mind.
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
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Reply
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
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post #5 of 129
Which BSOD code do you get?
My Rig.
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Intel I7 2700K ASRock Z68 Extreme4 EVGA GeForce GTX780 Corsair Vengeance 16GB - 4x4 - 1600MHz 
CoolingOSMonitorKeyboard
Custom Watercooling loop. Windows 7 Ultimate x64 Primary Asus 22" - Secondary Asus 19" Logitech G15 Keyboard 
PowerCase
Corsair VX550W Corsair Obsidian 800D 
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My Rig.
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel I7 2700K ASRock Z68 Extreme4 EVGA GeForce GTX780 Corsair Vengeance 16GB - 4x4 - 1600MHz 
CoolingOSMonitorKeyboard
Custom Watercooling loop. Windows 7 Ultimate x64 Primary Asus 22" - Secondary Asus 19" Logitech G15 Keyboard 
PowerCase
Corsair VX550W Corsair Obsidian 800D 
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post #6 of 129
Thread Starter 
I didn't write it down, I thought it was irrelevant... I mean, I know those codes have meaning, but BSOD is BSOD. Would the code help in finding solution?
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
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post #7 of 129
Quote:
Originally Posted by kazzjohnson View Post

I didn't write it down, I thought it was irrelevant... I mean, I know those codes have meaning, but BSOD is BSOD. Would the code help in finding solution?

It could help yes.

You can go to C:\Windows\Minidump

and compress the dump files to a zip folder (if you've got a dump file).

Then attach it to a post in here.
My Rig.
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel I7 2700K ASRock Z68 Extreme4 EVGA GeForce GTX780 Corsair Vengeance 16GB - 4x4 - 1600MHz 
CoolingOSMonitorKeyboard
Custom Watercooling loop. Windows 7 Ultimate x64 Primary Asus 22" - Secondary Asus 19" Logitech G15 Keyboard 
PowerCase
Corsair VX550W Corsair Obsidian 800D 
  hide details  
Reply
My Rig.
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel I7 2700K ASRock Z68 Extreme4 EVGA GeForce GTX780 Corsair Vengeance 16GB - 4x4 - 1600MHz 
CoolingOSMonitorKeyboard
Custom Watercooling loop. Windows 7 Ultimate x64 Primary Asus 22" - Secondary Asus 19" Logitech G15 Keyboard 
PowerCase
Corsair VX550W Corsair Obsidian 800D 
  hide details  
Reply
post #8 of 129
Thread Starter 
No such folder. :/
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
post #9 of 129
Thread Starter 
Any other thoughts on why those settings reduce instability instead of increasing it?
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
My gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
Core i5 2500K Asrock Z68 Extreme3 Gen3 MSI Radeon HD 7850 Twin Frozr III 2GB GDDR5 Corsair Vengeance 2x4GB DDR3 1600MHz 1.5V 
Hard DriveCoolingOSMonitor
Western Digital Caviar Blue 640GB 7200RPM Cooler Master Hyper 212 EVO Windows 7 Professional 64-bit Achieva Shimian QH270 Lite 
MonitorKeyboardPowerCase
Samsung SyncMaster T200 Logitech Ultra Flat keyboard XFX XXX Edition 650W Zalman Z9 Plus 
MouseMouse PadAudio
Logitech G400 SteelSeries QcK Logitech Z-2300 
  hide details  
Reply
post #10 of 129
Initial setups can settle down, sometimes. I think you should go a bit further and forget about it.
COMPUTER
(16 items)
 
  
CPUMotherboardGraphicsRAM
3570K Gigabyte GA-Z77X-UD3H Gigabyte GTX 670 Windforce OC 2GB Samsung 30nm 
Hard DriveHard DriveCoolingOS
WD Caviar Blue WD Caviar Black NZXT Havik 140 Windows 7 64bit 
OSMonitorKeyboardPower
Windows 8 64bit ASUS GD235HZ (GD245HQ) 120Hz Dell OCZ GameXStream 850W 
CaseMouseMouse PadAudio
Corsair Carbide 300R Logitech G9 naked Allsop Black Cloth (low profile) Logitech G35 Surround 
  hide details  
Reply
COMPUTER
(16 items)
 
  
CPUMotherboardGraphicsRAM
3570K Gigabyte GA-Z77X-UD3H Gigabyte GTX 670 Windforce OC 2GB Samsung 30nm 
Hard DriveHard DriveCoolingOS
WD Caviar Blue WD Caviar Black NZXT Havik 140 Windows 7 64bit 
OSMonitorKeyboardPower
Windows 8 64bit ASUS GD235HZ (GD245HQ) 120Hz Dell OCZ GameXStream 850W 
CaseMouseMouse PadAudio
Corsair Carbide 300R Logitech G9 naked Allsop Black Cloth (low profile) Logitech G35 Surround 
  hide details  
Reply
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