Bad overclock? What happened?

anoori9000 · Jul 26, 2014

Intel i5 4690K
Gigabyte z97 gaming 5
650 watt EVGA gold PSU
corsair h100i

I consider myself as a complete novice when it comes to overclocking.

Here is what I did.

Hit delete, entered BIOS

Hit f2, went to classic bios

hit f2 went to gigabyte tweaker

Set multiplier to 45 (4.5ghz)

Set Vcore to 1.2v

Set to those just to get a rough estimate on where my CPU is at

these are the only settings I chaged

But here is when I started getting confused:

Some of the settings didnt go through. I'd hit apply, and the settings wouldnt apply. Like only the Vcore would set, or only the multiplier would set.

Then when I thought they applied. I went to boot up to see if it would boot.

It didn't, so I thought "maybe this CPU isnt good overclocker"

So I set the multiplier to 43

Then reset and everything went haywire!

I couldnt get to the bios, it would freeze up at the splash screen.

I thought I'd pull out the CMOS battery, but then I got it to go into the bios, and I reset the settings.

I had to restart it 3 more times until it went to the desktop.

CPUZ says im at 1.15V and 3.8 - 3.9 GHZ (im pretty sure thats the turbo cuz the stock is 3.5 right)

SO, everything works fine now I guess, but what happened? Im a little clueless how to use the gigabyte easy tuner or whatever. Id much rather do it in normal Bios but it wont let me change anything in the normal bios.

I looked at guides and none helped me really.

Thanks.

**goin to sleep. wIll reply first thing tomorrow**

Tradesman1 · Jul 26, 2014

Might take screen shots of the BIOS at defaults - then try the OC software, next go to BIOS and see what all it changed, that will give yoou an idea of what all is involved in the OC process and you can work in the BIOS from there

4Ryan6 · Jul 26, 2014

anoori9000 :

Overclocking is serious, let this event be a wakeup call to you, you don't need to just look at the overclocking guides you need to study them until you understand what you are doing and then do it.

Overclocking on a little information is exactly what gets people into trouble that you may not be so lucky next time!

Too high of an applied voltage can destroy or cripple your CPU, so you need to know where those CPU boundaries are, or suffer the consequences.

Your setup can already do whatever you need and overclocking is just a plus, so learn first and then do.

anoori9000 · Jul 26, 2014

Tradesman1 :

The tweaker thing was in the bios.

edit: And it only displays Auto not says the voltage or clock.

thanks

anoori9000 · Jul 26, 2014

4Ryan6 :

I understand the basics to it. I only set it to those thigs to get a basic idea of where my CPU was at. I'd then decrease the voltage to a point where it was stable. My question was why it would freeze up and what exactly happened because I think 4.5 ghz is able to be sustained by 1.2 V. But I guess I'm wrong. Most guides said that was a good starting point.

Do you know of a good guide for me to study?

Thanks!

Tradesman1 · Jul 26, 2014

All CPUS of a given model are different and their capabilities are also

http://www.hardocp.com/article/2013/06/01/intel_haswell_i74770k_ipc_overclocking_review/6#.U9K6uvldUp-

could try same at 4.2 and see how that does, if OK and stable then up to 4.3

anoori9000 · Jul 26, 2014

Tradesman1 :

SO I went and set it to 4.0 at 1.2.

Works great. Running prime95 for 30 mins and we are at about 70-75C

anoori9000 · Jul 26, 2014

temps down to about 65 now. Avg temps go no more than 72.

anoori9000 · Jul 26, 2014

4.2 at 1.2V

RealTemp says 75-79

Tradesman1 · Jul 26, 2014

Might try lowering the voltage a bit at a time to see what's needed for the 4.2

Karadjgne · Jul 26, 2014

Is it just me, or are those temps just a little high? I'm in a 3570k at almost 4.4GHz on a h55, 1.208v and maxed prime95 small fft after 1hr @74C.

With a h100i he shouldn't be hitting 70C at 1.2v 4.0GHz, should he? I've not seen the Haswell refresh yet, so no clue on thermals, is why I'm askin.

anoori9000 · Jul 26, 2014

Karadjgne :

Im at 1.2V and 4.3ghz. currently im at 65-68C I guess that temp was off.

anoori9000 · Jul 26, 2014

The temp fluctuates a lot. I dont think Real Temp is good. But core temp makes my PC crash for some reason, and HW monitor doesnt download...

I wish you cuold stress test within bios.

anoori9000 · Jul 26, 2014

It'll go from 59-72C at points. Average I would guess mid 60s

Karadjgne · Jul 26, 2014

So, with a bigger, better CPU than me, same voltage, lower speed, and a cooler over twice the size of mine running 2 fans to my 1, and we get same temps? Something seems a little off to me. With that cooler at those speeds I'm used to seeing ppl in mid-50's to 60 range.

anoori9000 · Jul 26, 2014

Tradesman1 :

I will do! I think 4.3 is enough for me! I hope it'll run stable a little lower.

It seams having it at a 43 multiplier and a 42 Uncore works good for stability.

Karadjgne · Jul 26, 2014

Duh. Forgot. What's the ambient temp where the pc is?

anoori9000 · Jul 26, 2014

Karadjgne :

80F

Tradesman1 · Jul 26, 2014

Sounds good, gaming is going to drive temps up some, might also check to see what it idles at with nothing running and how temps are just browsing the web....if they end up too high might want to pull the cooler and reapply the TC (thermal compound),, temps can be affected if you have too much or too little

anoori9000 · Jul 26, 2014

Karadjgne :

When putting the cooler on I touched the thermal paste. It didnt smudge, it just left a finger print. I have arctic silver 5 if you think I should re apply thermal paste.

anoori9000 · Jul 26, 2014

Tradesman1 :

I idle at about 35. I did touch the TC. only left a finger print/

Karadjgne · Jul 26, 2014

Ambient is 27C, that cooler is capable at 88w of @8C over ambient or 35C. That's 100% cpu usage at stock speed, not speedstepped. At 150w its capable of 13C over ambient, so at @4.2GHZ your cooler is capable of running 100% at 40C or so. Granted prime95 runs 115% and Intel Burn in Test runs at 125% I believe, but still you should be seeing temps at 100% usage of 45-50. Since you are not, either your fingerprint is having consequences, or your case cooling solution needs some re-thought

Tradesman1 · Jul 26, 2014

If ambient is at 80, then you are prob fine, 35 idle sounds about right and regular use in the low 50s could be expected

anoori9000 · Jul 26, 2014

Karadjgne :

I have a corsair 450D

2 140MM intakes
Top mounted h100i intake
1 120MM exhaust in back.

Im outa room for fans!

I dont think at 100% load, that I will be getting 40c temps lol.

http://www.tomshardware.com/answers/id-2219321/4690k-temps-corsair-h110-arctic.html

He is at 61C on 3.7ghz.

Im only at 60-70 (avg 65)

I dont think my temps are too much of a prob, but if you guys think my paste is bad, then ill re do it.

anoori9000 · Jul 26, 2014

Just did prime95 for 1:30:43
4.3 Ghz
1.2 V
Uncore 4.2 ghz

Ambient: 27C
Internet usage: 35-39C
During Prime95: 60-70C
Idle: 30C

These are my final numbers.

Bad overclock? What happened?

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