MSI Z97 Gaming 3 Overclock issues

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Bluesilverkt

Commendable
May 12, 2016
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Hello,

I recently decided to try overclocking my system. I am running an i5 4690 at stock speeds with the MSI Z97 Gaming 3 Motherboard. The PC under Prime95 does not go over 55 C and I have been wanting a bit of a kick in performance and decided to try overclocking before considering buying a new build all together. I am not a veteran in OC but I do understand it in general. I read multiple guides and proceeded to make the changes to the MOBO. I changed the setting for the CPU to be 40x100 [for 4.0 GHz] and upped the VCore to 1.20 Volts. I hit save and exit, boot the computer and run CPU-Z and it shows it at 3.5 still, I run Prime95 to see if it some sort of setting to lower CPU but it stays at 3.5 the entire time. I boot back into bios and the settings show the overclocking I did [reads at 4.0 IN the bios] but it just will not actually carry that over when I load into the actual windows. I have no idea what to do, I made sure OC Genie was off and I did not mess with anything else, I know it has enough cooling to do a simple overclock to 4.0, I am not trying to do some extreme OC and I updated the Bios just in case it was that but nothing. Anything that can help would be amazing.

Thank You
 
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parani

parani

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Jun 15, 2015
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You must have a proper cooler before overclock a locked processor bcoz you have to give more core voltage to achieve this.If you have a right cooler try around 1.3v anyhow you cant go about 4.1mhz
 
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Bluesilverkt

Commendable
May 12, 2016
10
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1,510
Correct, the system has sufficient cooling for a slight increase in CPU performance, I know to achieve anything like 4.5 I need water cooling to be safe. I increased the voltage but as I mentioned before, the issue is not how to overclock or if it has enough cooling, its the Motherboard not applying the OC settings when I boot into windows. I believe its a specific Z97 Gaming 3 MOBO issue. If anyone can help me out with this.
 
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Calvin7

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Feb 19, 2013
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i5-4690 has a locked clock multiplier. Increasing it from 35 to 40 is not going to do anything. K series CPU's have unlocked clock multipliers, such as the i5-4690k.

You can increase the base clock. Bclk is 100 MHz at default, but it can be increased slightly to 103 - 105 MHz. This overclocks RAM, the SATA bus, and PCIe bus too, so it could cause instability.
 
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Bluesilverkt

Commendable
May 12, 2016
10
0
1,510
Ill do a quick list to make it a bit easier to understand where I stand and what I have:

Issue - OC settings not applying when I boot into windows, OC showing in bios but not actually going through.

What I have done -
*Changed Core Clock to 40 to get it to 4.0 GHz
*Changed Core Voltage to 1.20 Volts
*Updated Bios
*Turned off OC Genie

Hardware -
*MSI Z97 Gaming 3 Mobo
*Intel i5 4690k @ 3.5 Base Clock
 
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parani

parani

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Jun 15, 2015
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ok fine .now just try bclk oc and update the result
 
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Bluesilverkt

Commendable
May 12, 2016
10
0
1,510
Yeah I was reading up on it, and noticed it changed so much in the bios that it often caused issues. I still dont know whats going on, or if anyone has run into the issue where you changed the settings in the bios and it does not go through. I tried it again with a lower change. 39 instead of 40 for 3.9 GHz and left Voltage at 1.2 and still did not boot into those settings, still running at 3.5 GHz
 
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