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overclocking on asrock z68 board

post #1 of 6
Thread Starter 
hey,

playing with overclocking an i5 3570k on an asrock z68 extreme 3 gen 3. Have the latest bios so it will support ivy bridge cpu's.

I set cpu multi to 42, fixed vcore 1.2v, disabled spread spectrum and intel speedstep, disabled all c states except CE1, load line calibration level 1.

It appears stable after prime 95 (probably I can lower vcore) however I don't have a discrete gfx card and am using intel hd4000.

What is happening is that the intel hd4000 driver is crashing quite often. I've noticed in my bios there is a setting to change the voltage of the igpu. Should i be increasing this to stop the gfx driver from crashing? ATM it is set to auto.

Thanks for advice, please let me know if i'm way off on some of the settings I used. thumb.gif
post #2 of 6
Try LLC of 2 and enable speed step maybe your gpu has issues because the clock speed of the gpu is separate from that of the cpu. try uninstalling the driver entirely and installing the latest version
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Ol' No Name
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post #3 of 6
Thread Starter 
Here's some bios screenshots, if anyone sees anything clearly wrong please let me know. The IGPU has it's own voltage and LLC settings but I left both at auto.





I'm too new at ivy bridge to know the connection between overclocking the cpu and igpu.
post #4 of 6
Nothing seems off. I honestly would just go to defaults test for stability and see if you can work form there.
Ol' No Name
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Ol' No Name
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Samsung 840 Pro  Western Digital Caviar Blue Seagate Barracuda  Western Digital Caviar Black 
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liteon iHOS 104-06 liteon DVD drive (not sure) Ek Supremacy, swiftech mcr420, swiftech ,mcr220 Windows 7 Pro 64 SP1 
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post #5 of 6
Thread Starter 
It's rock solid stable (hd4000 driver not failing) at 1.2v and multi 43 with prime 95 not exceeding 60c. I made a slight change, which is enable all c states. I read for fixed voltage it is better they are enabled.

What kind of voltage does this chip need for a multi of 45? I guess most people who overclock this chip have a discrete graphics card. Since my temps are good I can push the vcore a bit higher, and as i know almost all of these chips can do 4.5GHz.
post #6 of 6
I would recommend set voltage so speed step lowers voltage because high voltage on lower clocks can kill you.you should try to disable all except c1e and try that you should only push core when you need to up the mult then the vcor you may surprise yourself. Also you can of the onboard graphics I will see if I can find a guide later or just Google it xD
Ol' No Name
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Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro  Western Digital Caviar Blue Seagate Barracuda  Western Digital Caviar Black 
Optical DriveOptical DriveCoolingOS
liteon iHOS 104-06 liteon DVD drive (not sure) Ek Supremacy, swiftech mcr420, swiftech ,mcr220 Windows 7 Pro 64 SP1 
MonitorKeyboardPowerCase
3x AOC 24" and Asus v2238h Generic Gigabyte KB  OCZ z1250w Switch 810 
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Logitech G700 Custom Fallout mousepad with wrist  
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Ol' No Name
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7-3770k AsRock Z77 Extreme6 MSI R7970x2  Crucial Ballistix Sport 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro  Western Digital Caviar Blue Seagate Barracuda  Western Digital Caviar Black 
Optical DriveOptical DriveCoolingOS
liteon iHOS 104-06 liteon DVD drive (not sure) Ek Supremacy, swiftech mcr420, swiftech ,mcr220 Windows 7 Pro 64 SP1 
MonitorKeyboardPowerCase
3x AOC 24" and Asus v2238h Generic Gigabyte KB  OCZ z1250w Switch 810 
MouseMouse Pad
Logitech G700 Custom Fallout mousepad with wrist  
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