BSOD when over locking

Trojan Horse

Trojan Horse

Trojan Horse

Associate
Joined
27 Jul 2012
Posts
1,705
I get a BSOD when CPU is at 4.5 with 1.27 volts.

Is this normal? I can get 4.4 at 1.249v but I have to really bump it up to get higher clocks. What should I do?

I have a really nice cooler, k2 mount doom and people are saying they can get to 4.8 with lower vaults!

Temps at 4.4 are 66c after 10mins on real temp, this too hot?

I have i5 4670k & Z87X D3H
 
lol I wrote the OP on a damned iPod. Apple never let us spell our things in a non-corporate way xD

66C on prime 95

its like 31-35c on idle though. This is without any fans running, coz fan controller is RMA
 
4.5GHz at 1.27v is quite unusual, if people are saying you should get 4.8GHz on less they don't know what they're talking about. It's possible, but only the very best chips do it.

On your cooler you can go above 1.3v safely.
 
Thanks teppic

I've got mine @4.6ghz but at a huge 1.39v is this OK?

Is the boost from 4.4-4.6 of 0.15v worth it?

I'm getting much higher temps of nearly 90c now. This is without my fans working (dual extractors etc) so with my fan controller do you reckon it would be -5c or so?

also whats the best way to stabilize oc?
 
1.39v is very high, are you sure you need it that high for 4.6GHz? If your cooler with the fans running properly can keep the temps below 80C then it's fine.

If you haven't increased your LLC (set to extreme) do so - that will mean you can use a lower voltage.
 
I haven't set or done anything! All I've done is increased multiplier and increased the voltage.

I have mentioned my board in the OP and want to know some specifics. E.g how do I get to the LLC or anything?

What other settings should I tweak?


Don't know what I did but on restart temps went down from 90c on prime 95 @4.6ghz to 70c. yay ;)

gonna reboot and find LLC

edit: never mind SMALL FFT's in 95 are 70c, blend is around 65 and somehow large ffts are 90c ish wtf??? small is meant to be max heat...


what testing method should i use?
 
Last edited:
I've not found LLC anywhere.

This is what I have found however:

Under CPU Core Voltage Control:

  • VRIN External Override
  • Vcore
  • Vcore Offset
  • Graphics Voltage (VAXG)
  • Graphics Voltage Offset
  • RING Voltage
  • RING Voltage Offset
  • System Agent Voltage
  • I/O Analog Voltage
  • I/O Digital Voltage

*All start with "CPU"

Advanced Power Settings:

  • CPU VRIN Loadline Calibration
  • CPU VRIN Protection
  • DDR CH(A/B) Voltage Protection
  • CPU VRIN Current Protection
  • DDR CH(A/B) Current Protection
  • Etc etc protection etc
  • CPU VRIN PWM Switch Rate
  • PWM Phase Control

Advanced CPU Core Settings:

Turbo Ratio for each core etvc
Turbo Power limit
Core current L;imit AMPPS
Hyper threading
C1E
C3
C6/C7
CPU EIST
CPU thermal monitor

K OC
CPU PLL SECTION
FILTER PLL LEVEL
Uncdore Ration
Uncore freq












AND THATS IT FOLKS! Took me a while to read that from my blurry iPod and then type it up (did get lazy half way though haha)
 
Last edited:
OK I've set it to EXTREME and have successfully lowered the volatage down to 1.38

Should I just set it down to 1.35, see if it boots and then lower further and test with prime 95? how should I go about doing htis?
 
Pretty much as you have said in your last post. Pull down the voltage 0.01V at a time until she won't boot, then boot up with the lowest voltage you can at your chosen clock. Run 30 minutes of Prime 95 and maybe (if you game) a couple of hours of gaming use. If you get a BSOD or a crash in that time, take it up another 0.01V until everything is stable.
Finding your cpus sweet spot is just a matter of logical tweaks and time.
 
You must log in or register to reply here.
Back
Top Bottom