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HDD failure after Overclocking i5 -4690k for the first time.

Intel CPUs - www.overclock.net
Hello all,

I am new to overclocking and this is my first attempt.

Here are the settings I changed in bios (MSI Gaming Z97 5):

Vcore: 1.35v

VCCIN Voltage: 1.7v

Ring Voltage: 1.1v

Core Ratio: 47

Ring Ratio: 35

EIST and Intel Turbo Boost: Enabled

CStates: Enabled, C7

Those are the only settings in my bios that I changed from default.

This overclock caused one of my HDD's to fail, I tried swapping the sata with another HDD and then that HDD started to fail. I asked around on reddit and someone told me I overclocked the PCI bus which was causing the SATA controller to crash. I don't think that is the case as according to CPU - Z my bus speed is 100 MHz and I did not touch the base clock in my bios settings, that remains at the default 100 MHz.

I stumbled upon this post: when googling the issue. I then came across this comment.

Quote:

It's more likely that the higher voltages and frequencies are affecting the actual SATA controller, even Intel boards can suffer this problem.

So I then decided to try a spare SATA cable and connect it to a different port on the mobo, voila the HDD is no longer failing with the overclock active.

I want to see if anyone knows why the SATA controller is crashing, if there is a way to stop it, and if not is it okay to keep the overclock while using the SATA port that is working. I want to make sure I'm not damaging the mobo or something.

Thanks for any help '); }
Date: Jul 17, 2017   


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