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~~~~~IMPORTANT SANDYBRIDGE OC INFO: Voltages & OC Guide!!~~~~~

Everything (minus blk/pll/ram) on auto seems to do the job with 4.6ghz for me.

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weird, so I'm able to pass 8 hours of small fft and IBT seems to be fine so far for 10 runs but linx fails within 4 runs!
 
rustEswan said:
You could probably disable speedstep and leave turbo enabled. But I would leave it as is, Counterstrike source is probably not demanding enough for that CPU to even register it nots idling! We used to play on some CS:S 32 man servers that ran on 1.6ghz celerons back in the day ;)
Click to expand...

You know i can't seem to see turbo on my list or speed step i suppose speedtech is that EIST???

Once enabled turbo just it seems to go off the bios list altogether :s


Strange most likely a bios bug
 
^^^ I think your bios is likely at fault, all my limits so far have been motherboard based, firstly really, really poor bios on the Asus and then the MSI was good, now back on the Asus Pro with the new 1253 bios i get a lot higher stable under less voltage. Im now convinced we wont really find the limit of our chips until the bios for each board matures.

4.2 was originally my highest clock acheivable on the Asus, then on the MSI 4.6 stable, 4.8 for superpi but now on the new Asus bios 5203mhz for a 7.192sec 1M run...

Struggling to decide which board to keep long term.
 


Settings in bios:

Bios version - 1053
BCLK - 100
Ratio - 42
Internal PLL overvoltage - Auto
Ram - 1600mhz
EPU power saving - disabled
VRM spread spectrum - enabled
CPU manual voltage - 1.325
CPU PLL volatage - 1.6

Are these settings alright for my CPU? I don't want to damage any components.

Is there anything I should change and do my temperatures/voltages seem ok?

Thanks in advance.
 
I think ive thought of away round it, bascially this turbo way is good but not so much for me :p

I only get to see my 4.9 overclock if i use stress test lol.

So i was thinking how about i turn off turbo and EIST, Set multi to 49 and enable all energy features that way, im thinking it should idle at around 1.6GHz or whatever and then soon as i do anything it should shoot upto 4.9?
 
rchads89 said:
I think ive thought of away round it, bascially this turbo way is good but not so much for me :p

I only get to see my 4.9 overclock if i use stress test lol.

So i was thinking how about i turn off turbo and EIST, Set multi to 49 and enable all energy features that way, im thinking it should idle at around 1.6GHz or whatever and then soon as i do anything it should shoot upto 4.9?
Click to expand...

That is exactly what it should be doing anyway with those settings it'll only up the voltage and frequency when its under load, and it'll scale as needed to achieve maximum performance while remaining efficient - is the frequency scaling actually impacting performance for you or is it just anmental thing that it doesnt feel like its performing to its full potential because it hasnt hit its peak turbo frequency?
 
rustEswan said:
That is exactly what it should be doing anyway with those settings it'll only up the voltage and frequency when its under load, and it'll scale as needed to achieve maximum performance while remaining efficient - is the frequency scaling actually impacting performance for you or is it just anmental thing that it doesnt feel like its performing to its full potential because it hasnt hit its peak turbo frequency?
Click to expand...

Well its everything i do like gaming on css and sometimes cod4 it doesnt hit anywere near turbo which is 4.8 it will get to 2.2GHz if im lucky..

So i was thinking if i set the multi to 48 and turn all the energy features on would it go @ say 1.6 @ idle then anything that i would run maybe it would hit that 4.8???
 
Came to this topic due to rchad's guidance while trying to solve the exact same issue he was having with BSODs during idle/browsing. I ended up dropping the V core voltage a little bit since I only have a 2500K. My bios seems a bit different though. Maybe it's options for v1.8? Or maybe it's just due to me having a C45 instead of what you two have.

For PLL Overvoltage all I've got is Auto or Disable. I don't even have SA Voltage, nor can I set PLL Voltage at all anywhere. Doesn't have the DDR_VREF listed either.
What my bios does have that yours didn't is Intel C-State (I can enable or disable) and Package C-State Limit (I can set which C state is the highest it'll ever go to sleep in).

I've got Green Power on APS Mode, and HPET Enabled. Not sure if PLL Voltage control is missing due to motherboard feature or if it gets added in 1.8 bios. The system is running a lot faster with the XMP Profile for the ram though!
changes7.png


rchads, have you tried using RealTemp to check on the clock speed? My CPU-Z hardly ever jumps, though I'm actually having it jump up to 4.5Ghz when running things like Dead Space. Will test a bit more with a few other games (Don't own either of the ones you listed) and see if I have any issues. It's actually really spiky and almost makes me wonder if it's safe to be constantly jumping from 1.6Ghz to 2.0 Ghz to 1.6 to 2.4 all the time. Haven't used a cpu with turbo before.
 
I seem to have sorted it now :) I have turned off turbo put multi to 48 and also turned off EIST... This seems to work better as all my games will run @ 48 and when im idling it will drop to 1.6.

It SEEMS that this board if you run flat out without any energy features on, It will BSOD randomly, I would suspect that a bios update will sort this....

BUT...

If i run anything slightly demanding it will just run @ 4.8GHz...

If im just surfing it will just sit at 1.6


Bonus works well.
 
rchads89 said:
I seem to have sorted it now :) I have turned off turbo put multi to 48 and also turned off EIST... This seems to work better as all my games will run @ 48 and when im idling it will drop to 1.6.

It SEEMS that this board if you run flat out without any energy features on, It will BSOD randomly, I would suspect that a bios update will sort this....

BUT...

If i run anything slightly demanding it will just run @ 4.8GHz...

If im just surfing it will just sit at 1.6


Bonus works well.
Click to expand...

Yeah, I tried changing the power saving to SVID and it BSOD within seconds, tried disabling it and had much the same. APS Mode seems to be the stablest of the lot. I just wish I had more control over the PLL in my bios. :/

I guess I should've thought more about the motherboard than "Well, I'm never doing SLI so let's not pay more for extra PCI-E slots!".

When you say multi changed you mean the one that starts out at 33/34 in the main OC window? I tried OCing it that way at first but got the same sort of 'while browsing' BSODs you did. Is the only other thing different the disabling of E1ST? Seems odd that it'd suddenly work...I know I even disabled E1ST at one point prior.

I did find a good way to cause a 124 error or test stability more than Prime for issues like this though. Just load up a CPU intensive game, and tab out semi-frequently/rapidly. If your setup can live through that then I might have to try mimicing it. :o
 
My MSI P67-GD5 is rock solid stable at 4.6 with all energy saving features on, I had little more time playing about with the P8P67 and it does have a lovely bios interface and oc's well but on balance i'm sticking with the msi.

I've got great OC and all the power saving features to boot, blinding setup, imo, the best board/cpu combo ive had in years.

[email protected] and idling at under 1v (thats what green power (SVID) did for me) is on the money;)
 
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Well i dropped my clocks down to 4.6 lowered vcore, its been stress testing all day using prime95 on torture test it passed no problems.. i then ran a IBT test on MAX stress for 25 runs no problems....

I do have energy features but the multi just set straight @ 46.

It does seem only way you can prevent this IDLE and web browsing BSOD 124 error is run it in the turbo mode intill they sort a bios or something :s
 
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