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post #4281 of 10699
Quote:
Originally Posted by munaim1 View Post
Sorry guys, havn't been active in the thread, my mobo just died a couple hours ago

thanks to all those that provided the ssd and C states info. + rep ya'll. Thanks


Do you know why?
post #4282 of 10699
Double post
Edited by DaGoat - 9/30/11 at 1:36am
post #4283 of 10699
Anybody have a recommendation for what I should set my VCCIO to for a 1866Mhz RAM speed? It's at 1.05 right now on auto and I don't know if that's not enough or if my RAM just needs more volts. Right now from my 8-8-8-24 1600Mhz 1.5v 8Gb kit I'm at 9-10-9-28 1866Mhz 1.52v and I'm failing a prime blend after about 90 minutes, it doesn't crash or anything, just an error found on one or two of the threads and those threads stop. Right now I'm going to be trying these same settings but at 1.55v on the RAM unless anybody else has a better suggestion. Thanks in advance, and sorry about your board munaim.
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post #4284 of 10699
Are you certain that Prime95 failure is due to your RAM / VCCIO settings? Couldn't be something else?


EDIT: Here is a copy-paste from this post in this thread

Quote:
Originally Posted by eduardmc View Post
Sandy bridge overclocking seems to be afected by ram (size and overclocking) and VCCIO volage somehow. i see that must overclocker can achive higher core/lower voltage with only 4gb (2x2gb) while people with (2x4gb) can also reach it but with higher voltage (core voltage).

i started tweaking with all voltage. i spend 2 entire days doing this, enabling and disabling, prime95 and all. I found out that if you have 8gb and overclocking your ram is limiting to have a stable overclock with lower voltage and you might think is the CPU fault.

After working with all the voltage my motherboard has to offer, i went back to VCCIO voltage (every other voltage on auto) and notice that if i decreased it my overclocking at same VCORE would become instable (0.800v). BUT increasing VCCIO BECAME STABLE AT LOWER VCORE. i was able to decrease my vcore from 1.520v to 1.456v by increasing VCCIO voltage to 1.18V. Do not go overboard on VCCIO voltage and try to maintain 1.2v or lower.

Before my pc would not boot 5.1ghz with 1.48V and now i'm prime95 4 hours stable with 1.456v. I even think that i can go even lower.

This is a copy-paste. I have NO experience of this myself whatsoever, I haven't tried, I don't know if the info is reliable, I take NO responsibility. Thanks.
Edited by DaGoat - 9/30/11 at 4:08am
post #4285 of 10699
Thread Starter 
Quote:
Originally Posted by Ovuel View Post
Attach goes with the below post.
Added, thanks for contributing. Please add you sig and wear it proudly, it can be found in the OP. Extremely impressive overclocking with that 212+, very good temps with a low vcore!! nice one




Quote:
Originally Posted by DaGoat View Post
Wow sorry for your loss
I guess you have a spare one since you're on the forum? If not, I might (not sure at this point) receive a brand new Gigabyte Z68XP UD4, send me a PM if you're interested.

Munaim I remember you gave me good advice on RAM - I happen to have a set of 2X2GB G.Skill RipJaws 1600 CL6 and I want to OC these suckers, do you have a dedicated thread so we can discuss it elsewhere?

OK so my computer shut itself down again a couple of hours after I'd gone to bed - must be the Cstates so what I want to do: before going to sleep, disable Cstates to avoid idle BSOD / shutting down and let Prime running. I just don't want to run Prime now I prefer to run it whan I'm sleeping so I guess Ihave to disable Cstates anyway?
What do you think? What would you do at my place? Thanks
At the moment no, It kinda gives me an excuse to flush out my loop, which I might do during the weekend, Sunday I'll probably pick up a mobo from somewhere in the mean time till Asus contacts me.

Here's my RAM thread: http://www.overclock.net/intel-memor...e-h67-p67.html

C states only have affect during idle, not during stress testing. I'd leave them on if your just going for a stability test and then disable them later if you have to.



Quote:
Originally Posted by juano View Post
Anybody have a recommendation for what I should set my VCCIO to for a 1866Mhz RAM speed? It's at 1.05 right now on auto and I don't know if that's not enough or if my RAM just needs more volts. Right now from my 8-8-8-24 1600Mhz 1.5v 8Gb kit I'm at 9-10-9-28 1866Mhz 1.52v and I'm failing a prime blend after about 90 minutes, it doesn't crash or anything, just an error found on one or two of the threads and those threads stop. Right now I'm going to be trying these same settings but at 1.55v on the RAM unless anybody else has a better suggestion. Thanks in advance, and sorry about your board munaim.
Increase the RAM voltage and that should help against the rounding error. vccio can actually be left on auto, however increasing it a little can help stability, mind you, increase it a little too much (varies between mobo's) and it'll cause more instability than actual stability. I've inceased mine to 1.125v I believe and it's rock solid, you may not have to increase it that much, go ahead and increase the RAM voltage to 1.55 then try increasing the VCCIO to 1.1 and test stability. Do one or the other and test with prime blend to see which gives you better stability, it may be a combination of both.

check out the link I posted above, regarding RAM.

Hope that helps


Not entirely sure what happened to my mobo, but suddenly got a 124 bsod and then it crapped out on me completely, here's the thread I

http://www.overclock.net/intel-mothe...just-died.html

Hopefully should be up and running with a temporary mobo in the next few days.
Edited by munaim1 - 9/30/11 at 7:07am
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post #4286 of 10699
So I am having issues with my 4.5Ghz OC after the P95 testing. I got a 0F4 BSOD. Any suggestions?
post #4287 of 10699
My latest test

post #4288 of 10699
In CPU-Z my bus speed is 99.8 MHz and not 100. So at a x45 multiplier I only get 4490 MHz and not 4500 MHz. Is it normal that the bus speed is a bit off 100?
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post #4289 of 10699
Thread Starter 
Quote:
Originally Posted by SightUp View Post
So I am having issues with my 4.5Ghz OC after the P95 testing. I got a 0F4 BSOD. Any suggestions?

Does it happen on a regular basis or was it a one off? OS could be corrupted.


Quote:
Originally Posted by McLaren_F1 View Post
My latest test
Thanks for contributing yet again, +rep for your efforts. Good job getting those tmps down!!!!

Before, with air cooling and your Venomous-X the max temps after 12hours was 75-80-81-76

Now with the H100 it's max temps after 18hours was 66-73-73-69.


Quote:
Originally Posted by jdip View Post
In CPU-Z my bus speed is 99.8 MHz and not 100. So at a x45 multiplier I only get 4490 MHz and not 4500 MHz. Is it normal that the bus speed is a bit off 100?
This is most likely due to spread spectrum, disable that option in the BIOS and the BUS speed should lock at 100.

Hope that helps
Edited by munaim1 - 9/30/11 at 4:26pm
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post #4290 of 10699
Hey munaim1, Got an update. Went from 4.7 to 4.9GHz!

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