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Complete Overclocking Guide: Sandy Bridge & Ivy Bridge | *ASRock Edition* - Page 22

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Poll expired: Oct 17, 2012  
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post #211 of 9565
Quote:
Originally Posted by RP75379 View Post

I'm new to overclocking but Ive been going off of this guide for the most part.
I'm running on a ASRock Extreme3 Gen3 with an i7 2700k and 8 gigs of mem
My offset voltage is still at the original setting of +0.005 with a core multiplier at 45. My max Temperature is 62 degrees. My Core Voltage according to CPU-Z is steady at 1.288 V.
After reading these forums, my voltage seems low from what everyone else is aiming at and I'm curious if this is ok or not? I haven't seen how high my core speeds with go and stopped at a core multiplier of 45 because I assumed this was high enough for general gaming.
Does this seem stable with how low my voltage is or is it good?
Thanks guys!

At a +0.005 offset my voltage was right around 1.288 at full load in cpu-z . But you need to stress test it w/ that offset and see if its stable. If not then you need to go to a higher positive offset. If it is stable then you can try going to -0.005 offset or lower. As you change the offset to a higher positive or negative you will see it change in cpu-z during a stress test and at idle so you will want to write these numbers down.
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post #212 of 9565
Quote:
Originally Posted by tootercomputer View Post

I've had this system for two weeks now and just discovered the CMOS switch on the back of the mobo. Awesome. I built my own on my DS3 system. Even with this board on the bench, with my poor vision (only partial vision in one eye) it's been very challenging fiddling with the jumper. Nice going ASRock (along with the push-button power and reset switches). Those are long-overdue features that most enthusiast mobos should have.
Lucky, I'm trying your settings verbatim. Gonna see how it goes. I'm running OCCT and prime.
BTW, I'm curious about temps. Under load (prime, OCCT), my core temps are running in the mid-50s, but my cputin temp is 42C. Are others getting the same temps?
marty

I use real temp version 3.70. W/ my mugen 2 and on small FFT i got a max temp of 76c but if you run blend usually your temps will be lower.
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post #213 of 9565
Quote:
Originally Posted by Lucky 23 View Post

You probably got a blue screen at idle because your idle voltage is too low. At stock idle voltage is around .96+ but w/ an offset of -0.025 its a lot lower
So now -0.025 offset is way too low because windows freezes and -0.020 offset is too low for idle so you will probably have to try a -0.015 or -0.010 but you will still need to stress it longer because 30min is not enough.
I ran it for one hour. See page 20 for my post from this moring.

I thought it may be a little low and thought I should bump it up a tad. It has ran several hours at idle today with no issues. I'll up the vcore a bit and give it a try for an hour.

My CPU usage is up and down though even at idle. It don't settle down to 1600mhz like it did when I was trying 4.3.
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post #214 of 9565
Hi Guys!

Im new here in overclock.net. Anyway, I have a question w/ my OC settings. Any help will be greatly appreciated.

Here's my current setup

Procie: i5-2500k
Mobo: AsRock Z68 Pro3-M (latest BIOS v1.70)
RAM: 2x2GB G.Skill Ripjaws 1333Mhz @ 7-7-7-21
GPU: n/a (just sold my GTX560-Ti)
PSU: 600W FSP Aurum 80+
Cooler: CoolerMaster V6 GT

333

Well, the problem is, Im stuck @ 4.3Ghz. When I go higher than 43 max ratio, the system will power on but the keyboard and mouse is off and no display. (I reset the CMOS to make everything work again)

Im stable @ 4.3Ghz using Prime95 Small FFTs or Blend Test for 30mins to 1hour.

Here are the current settings that works fine.

CPU Setting: Manual
Max Ratio: 43
Internal PLL OV: Enabled
GT Overclocking: Disabled (I dont know what this is since this is not on the guide)
Speedstep: Enabled
TurboBoost Power Limit: Manual
Short Duration Limit: 500
Long Duration Limit: 500
Long Duration Maintained: 1 sec
Additional Turbo Voltage: Auto
Core Current Limit: 300
BCLK: 100 (Default)
Spread Spectrum: Disabled
Power Saving Mode: Disabled
CPU Core Voltage: Auto (already used Offset)
CPU LLC: Level 5 (already used Level 2 and 3 on offset mode)
PCH Voltage: Auto
CPU PLL Voltage: Auto
VTT Voltage: Auto

So, what could be wrong here guys? Anyone using the same board that I have?

TIA
Edited by chang87 - 3/30/12 at 7:33pm
post #215 of 9565
Most people say that you dont need to enable internal PLL overvoltage unless your going over 4.5ghz.

I wouldnt leave your cpu voltage on auto. Look at the screen shots posted from me and others a couple of pages back and make sure your settings are similar.
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post #216 of 9565
Lucky, your settings appear to be working perfectly with my system. It's now off the bench (finally) and in the process of going into the case. My voltage is stable right at 1.29 to 1.30 and my temps are up a few degrees, but only the low 60s. I run OCCT and prime95, both at default settings. OCCT runs a bit hotter than prime95. But all in all, those temps are fine, everything is stable.

So I think I'll stick with these settings. I've decided to go with speed step enabled, though I typically do not do that, even with the family computer. But the system seems stable even with speed step enabled (that has not always been the case in the past), so I'll stay with it. Thanks Lucky. I'm running at 4.5GHz with 1600 memory running at 1600 at 8-8-8-24.

marty
post #217 of 9565
Quote:
Originally Posted by Turtley View Post

Is this your ram? If so set your timmings to 8-8-8-24-2N with 1.499 volts.

I have mine on 8-8-8-24-Auto right now at 1.500v. When it's set on Auto it uses 2N, but I guess I can change it next time I restart, haha.

Been running P95 since last night. Followed everything in this guide except I have my power limits at 250,250,250 instead of 500,500,300. I don't think that really makes a difference when you pass a certain number does it? Haha.

But yeah, 4.8Ghz @ 1.448v hitting temps of 85c max. Going for 14 hours so far... And still hangin in there.
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post #218 of 9565
Turn on XMP profile if your BIOS has it. That's what I did with mine and the timmings went to 9-99-24-1N.

I've been checking my memory performance with a program called MaxxMem2 Preview to test my memory speed. I found that the XMP profile of 9-9-9-24-1N settings was a little faster.

I'm stable at 4.5ghz with temps in the mid 70's with ambient aroudn 22c.
Edited by Turtley - 3/31/12 at 9:51am
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post #219 of 9565
Hi all,

Completely new to overclocking but followed your guide up to and including the "Starting off...." section of Overclocking.

Just wondered why the cpu (i5 2500k) shows (in the Asrock tuner utility AXTU) as 1600mhz when I have set it to 4000mhz.

It shows as 4000mhz when under full load.

But when I change this section,

Offset Mode: Your CPU will use VERY LITTLE voltage and speed when idling, ANYTIME you idle. (Even browsing can be considered idling.)
Enhanced Halt State (C1E): Enabled
CPU C3 State Support: Disabled
CPU C6 State Support: Disabled
Package C State Support: Disabled
Fixed Mode: Your CPU will run full voltage and speed all the time, even when idling.
Enhanced Halt State (C1E): Enabled
CPU C3 State Support: Enabled
CPU C6 State Support: Enabled
Package C State Support: Auto

to the specific settings under the "Fixed Mode", then my CPU shows as 4000mhz regardless.


I guess all I'm wondering is, will the processor actually be running at 1.6ghz, rather than 4ghz, thus not utilising the full potential of the cpu (i.e. Not as fast as it should be when set at 4ghz?).

Any help please would be really appreciated.

Cheers.

P.S. Cpu is i5 2500k
Mobo is Z68 Pro3
16gb Ram
post #220 of 9565
Quote:
Originally Posted by wezza13 View Post

Hi all,
Completely new to overclocking but followed your guide up to and including the "Starting off...." section of Overclocking.
Just wondered why the cpu (i5 2500k) shows (in the Asrock tuner utility AXTU) as 1600mhz when I have set it to 4000mhz.
It shows as 4000mhz when under full load.
But when I change this section,
Offset Mode: Your CPU will use VERY LITTLE voltage and speed when idling, ANYTIME you idle. (Even browsing can be considered idling.)
Enhanced Halt State (C1E): Enabled
CPU C3 State Support: Disabled
CPU C6 State Support: Disabled
Package C State Support: Disabled
Fixed Mode: Your CPU will run full voltage and speed all the time, even when idling.
Enhanced Halt State (C1E): Enabled
CPU C3 State Support: Enabled
CPU C6 State Support: Enabled
Package C State Support: Auto
to the specific settings under the "Fixed Mode", then my CPU shows as 4000mhz regardless.
I guess all I'm wondering is, will the processor actually be running at 1.6ghz, rather than 4ghz, thus not utilising the full potential of the cpu (i.e. Not as fast as it should be when set at 4ghz?).
Any help please would be really appreciated.
Cheers.
P.S. Cpu is i5 2500k
Mobo is Z68 Pro3
16gb Ram

The "C" states are power-saving options. It basically runs your CPU at lower clocks and voltages during times where it is idle or not running anything intensive. It does state it there, but try running a stress test during Offset mode and you'll see it go to the clock you set it at. It will change according to your load, so if you don't see any lag during your usage, you can leave it on to lower your temps and save some electricity.
    
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