Please help. Need to fix OC on i5-4670K

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22 May 2013
Posts
10
Hi guys,

I bought a pre-overclocked machine and I had my BIOS reset to default, so I need to reapply my OC.

The settings I have been provided with are below, I cannot see the System Agent Voltage in my BIOS, only System Agent Offset. When I queried this I was told "Your board does'nt have system agent voltage so either leave that blank, or put it in the offset"

Doesn't sound too reassuring but I did it anyway, the offset value turned purple (which I'm told was ok) but after running the system for a couple of hours it blue screened. I restored the defaults and it ran fine all day so something is up with these settings.

Overclocked Intel® Core™i5-4670k Quad Core (3.40GHz @ max 4.20GHz)

ASUS® Z97-A:

16GB KINGSTON HYPER-X BEAST DUAL-DDR3 2133MHz X.M.P (2 x 8GB)



AI Overclock Tuner: XMP
BLCK Freq:
Turbo Ratio: By All Cores
By All Cores: 42
Internal PLL OverVoltage:
Mem Freq: XMP Default
EPU Power Saving: Disabled
Load-Line Calibration:
VRM Freq:
Phase Control:
Duty Contorl:

CPU Manual Voltage: 1.25V
DRAM Voltage: XMP Default
CPU Spread Spectrum: Disabled
CPU Ratio:
CPU C States: Disabled
EIST: Disabled
SVID Support: Disabled
System Agent Voltage: 0.4V

This machine was not purchased from Overclockers UK but I really hope you can give me some advice. I have never overclocked anything and don't want to break my new machine.

Thank you in advance.
 
Last edited:
I wouldn't even bother to set this settings up. I would use asus 5-way optimization that your motherboard have. This is great feature as it will allow you to over clock your cpu to the maximum keeping desired temperatures. Just before you do it read on it. However this is not good as manual overclock as it alway can be better but this asus software overclocks quiet close to manual overclock. Lastly because you purchased a pre build computer I dont know if you use asus 5 way optimization if it avoids your warranty if you were to send it on warranty (just check before you do it). Hope this helped.
 
Set memory to XMP, cpu multiplier to 42 and CPU vcore to 1.2-1.25 depending on what your cpu needs, if you dont want to mess around set it to 1.25 as long as you have a half decent cooler
 
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