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post #6421 of 33641
Quote:
Originally Posted by PCWargamer View Post

@ ivanlabrie ,feniks, a question. On the link feniks posted (http://www.overclockers.com/memory-overclocking-guide-ivy-bridge) it noted the following:
- VCCSA ( IMC / System Agent ) – memory controller voltage , can be helpful above 2400+ or while setting really low timings, I haven’t seen any difference above 1.35V for 3000+ memory clock.
- VCCIO ( VTT / QPI ) - main voltage to play with while overclocking memory, Intel’s safe is also max MVG value – 1.4V for sub zero cooling, hard to say how much you will need for max clocks but it shouldn’t be more than ~1.35V for DDR3-2800.
- VDIMM / Memory voltage – this is quite clear, max for most kits is about 1.9V ( like PSC ) but some IC may need 2V+ to make max clocks or low timings on higher clocks ( BBSE, Micron D9 ) and also will need sub zero cooling.
My question: I have had several MBs for SB and IB and none of them has had the VCCIO adjustment. The other two, yes. But not the VCCIO which he notes as "main voltage to play with while overclocking memory" which is a problem for me.
I can, and have, adjusted the other two and acheived some limited success doing so, but I always wanted to do better and I keep seeing that VCCIO setting I can't find or adjust as maybe the answer to the problem of doing better at mem OCing.
So, if my BIOSs does not have it, then those boards with that kind of BIOS just can't do serious mem OCing? Or is there something else I can do?
Thanks bros!
Yeah, that's what I heard about some (cheaper) boards' BIOS ... I used only ASUS ROG & EVGA FTW models with modern chips and both of those have all the mentioned voltages in there. Sometimes manufacturers just name things differently and VCCIO is same as VTT or QPI on other boards ... other than that I heard about (I think it was Asrock) one company swapping the names for VCCIO & VCCSA doh.gif in their BIOS ... after you said ... I think I read once about somebody complaining in forums that Sabertooth didn't have VCCIO adjustment? kinda sucks if true ...
Quote:
Originally Posted by Matt-Matt View Post

I know this question was not aimed at me, but in the BIOS VCCIO can be reffered to at VTT (Pretty sure that's what Gigabyte has it on all boards) and QPI is a possibility on other boards.
yup, it's a mess, however I think some boards plainly don't have that voltage adjustment at all ...
Quote:
Originally Posted by Matt-Matt View Post

I have NEVER had a problem with the RAM corrupting my Windows 7 install.. Call me lucky I guess? tongue.gif
Using it now anyway, good program to test just the RAM itself seeing as I know my CPU is 20 hours P95 stable.
biggrin.gif I did many times in past ... since then I am always running MemTest86+ 4.20 for at least 1 full pass before I even boot to Windows on altered memory settings ... for daily use I prefer an overnight run under MemTest and if I see even a single red error I never use it for daily running, it either needs tweaking (until error free) or is only good for short term benching ... or OS gets corrupted ... eventually ...
Quote:
Originally Posted by PCWargamer View Post

Thanks ivanlabrie. I was hoping for better, but that's what I figured. redface.gif And the Sabertooth, although not a bad board, has been a dissapointment when it comes to OC ability. Mainly with mem and the missing VCCIO I would expect from this board. Overpriced for what it does is correct. I will look for another board next time.
MVG is a great board for OCing, but I do SLI and have a soundcard, so not enough slots.
When do you get your new chip and/or MB back? It seems it is taking forever.....

Sorry to hear, so no VCCIO or anything similar in this BIOS? it must suck terribly without VCCIO adjustment ... if that is a new board maybe return it to the store and get MVG instead? MVG is actually an awesome board and personally I am very impressed with ROG family BIOSes ... they do have their hiccups here and there, but generally it feels like XXI century finally ... can't say that about EVGA FTW BIOSes I used not long ago (felt like XIX century) ...
post #6422 of 33641
Quote:
Originally Posted by HardwareDecoder View Post

you can even set up even viewer to pop up a box on the desktop when it has a whea error. Makes it pretty easy to know when you are getting them. You basically right click on a whea error, hit attach task to this event and then tell it to display a message.
I have mine say: NOT AGAIN!

that is SO COOL IDEA! biggrin.gif thanks man, never thought of that! rep+ thumb.gif
post #6423 of 33641
I just finished trying out all different possibilities for my RAM config and it seems that 2133 is my golden speed. tongue.gif 2400 will only pass if I use 1.65vdimm and I don't want that.

Also, I personally think that WHEA errors are a complete waste of time to even acknowledge.
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post #6424 of 33641
Damn got everything finished went to boot up and gigabyte error code 51... time to see what that is..
    
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post #6425 of 33641
Quote:
Originally Posted by Hokies83 View Post

Damn got everything finished went to boot up and gigabyte error code 51... time to see what that is..

What happened? Did you re-assemble your PC and now you got that error?
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post #6426 of 33641
Quote:
Originally Posted by feniks View Post

that is SO COOL IDEA! biggrin.gif thanks man, never thought of that! rep+ thumb.gif

thanks yea I forget how I stumbled on to that knowledge but i'm pretty sure it was just me fumbling around with stuff when I used to get tons of whea errors learning to OC ivy bridge. Luckily I have no seen a whea error in several months it is a good feeling biggrin.gif

bad part is I have several other things set up to pop up boxes also and I am always scared for a sec its a whea error lol.
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post #6427 of 33641
Quote:
Originally Posted by Hokies83 View Post

Damn got everything finished went to boot up and gigabyte error code 51... time to see what that is..

let me know what you find about code 51, i dont have it in my error code list..only 0x50
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
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post #6428 of 33641
Quote:
Originally Posted by Swag View Post

I just finished trying out all different possibilities for my RAM config and it seems that 2133 is my golden speed. tongue.gif 2400 will only pass if I use 1.65vdimm and I don't want that.
Also, I personally think that WHEA errors are a complete waste of time to even acknowledge.

there is a potential risk of running 1.65V on RAM if it was rated at 1.50V, I'd leave it for benching only and settle lower as well for daily use. mine were rated at 1.65V so for daily use I stay at 1.70V max.

Man, you are so wrong on WHEA warnings ... I guess when you ignore them then you will have occasional crashes in demanding games (BF3 is a great example) sometimes and will start messing with drivers, re-installing the game (since only that title causes trouble, etc. etc.) and half of the OS before you realize it's been your unstable CPU OC all along wink.gif have seen that at least a dozen times in EVGA forums ... you should be glad that with Ivy Bridge you have such warning delivered to you in Windows, it's like the chip itself saying "Your overclock sucks, give me more vcore or I will crap out!" biggrin.gif

WHEA stands for Windows Hardware Error Architecture. it means that CPU discovered a recoverable error during some computation and corrected itself, so the software relying on that computation haven't even noticed, without it that would be a crash (if that was unrecoverable error).
The other downside of running a CPU OC with WHEA warnings present is lowered performance which is perfectly visible in erratic or rather varying by a lot scores or plainly lower than expected scores, since the CPU is wasting its time on correcting itself many times.
Edited by feniks - 12/29/12 at 12:34am
post #6429 of 33641
I left the cpu in.. hs may be to tight gonna loosen it up.

i get 15 to 51 which is north bridge to ram.
    
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post #6430 of 33641
Quote:
Originally Posted by Hokies83 View Post

I left the cpu in.. hs may be to tight gonna loosen it up.
i get 15 to 51 which is north bridge to ram.

just found this,

"Hi guys,

I've just bought a new Gigabyte GA-Z77X-UD5H and an i5-3570K. I have 2x4GB DDR3 Kingston KHX1866C9D3/4G.

My problem is that I'm getting the error code 51 when I connect a memory at the slots 1 or 3 of my MOBO. I know that this problem it's about Memory initialization error, but I'm not really getting it!

When I plug the memorys at the slots 2 or 4 everything runs well. I've tried to connect an extra DDR3 at slots 1 ou 3 and the error happened again!

Can you pleaze help me with this? Thanks"

http://www.overclock.net/t/1278969/gigabyte-ga-z77x-ud5h-error-code-51
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