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965be oc'ed to 4.0, Now what? - Page 2

post #11 of 23
Thread Starter 
Quote:
Originally Posted by blkdoutgsxr;12993828 
Just curious, but what is said computer used for? will the 12GB of ram benefit you?

Well, I was running for almost a year on 4GB and found it not sufficient. I almost always have a full firefox running (80+ tabs redface.gif), that's like 1.4gb by itself. Usually have xchat and several networks open as well, often hits 1GB as well. So just with those and the basic windows system i'm often hitting 75-80% ram usage, not even running a game. I also like to dabble with VMware, keeping test OS's around for sandboxing and whatnot. I had no room whatsoever to do that before. So I picked up a 2x4GB kit and threw that in as well, Turned off windows pagefileing (massive speed increase from that btw) and im still barely pushing 30% ram now. with lots of room to play with for vmware. I could probably survive on 8, (removing the slow 2x2 kit) but honestly, it doesn't appear that the ram is hurting the OC, just limiting me to not being able to adjust HTT much due to the bad mismatch i've got.
    
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post #12 of 23
I'm not a "GURU" of over-clocking, but by having ram that is not matched in speed and timing, your hurting your over-clock. I don't think ram has to be the same brand, just the same specs. I would remove the 1333 ram and see if that helps. while everybody has different ways to get to the same clock speed. Here is something to try: Multi 19.5 FSB 207 cpu volts to around 1.40v. You might find that using less Multi and more FSB easier to handle. You might have to lower your ram speed manually to keep it in your specifications. Also lower your HT to around 2000, helps to keep you more stable. Or try a lower than stock multi and raise your FSB to get to 3.9 or 4.0 MHz. Try like Multi 0f 16 and raise your FSB to like 250-260 with about 1.40v - 1.45v on the cpu. You just have to tinker around with it to see what works for you.
Edited by Ronin Tanker - 4/4/11 at 6:35pm
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post #13 of 23
42e5ac07-5ba7-4515.jpg

These are the settings for my 965... The dram is actually 1700 now and a dram volt of 1.6

Timings were changed from stock 9-9-9-24-2t to 8-9-8-24-1t

It sitting at 4.125ghz nicely for the past few months stable..
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post #14 of 23
I used those same numbers on my over-clock before, and they were stable, then they became unstable so I switched to 19.5 x 207. Stable for now...
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post #15 of 23
Thread Starter 
So, is it normal to have vcore bouncing around during a stress test?
I've definitely confirmed that with my current setup (tested at 20x and 19.5x) I actually require a 1.52vCore to stay stable. Thing is that it would appear the voltage is actually dropping as I increase stress. OCCT reports a 1.46vcore when i start the test, and as I get about a minute into it and the temps go from 40-58 I can watch that number drop, and basically as soon as it drops to 1.42 the system bluescreens.

Edit -
Alright, so i'm trying out an 18.5x220 now. Seems much more stable at like 1.5vCore, This one seems to bluescreen when the detected vcore drops below 1.40

This is new :|
http://imgur.com/a/qk6ea
http://imgur.com/K26CL
Looks like my vCore is nowhere near stable. Bad MoBo maybe? I know it wasn't really designed for this kind of abuse, but still. That's a mighty big drop there.

Another new development, seems that LLC isn't as good as it's supposed to be. I had it on default (51%), and it was giving that processor error. Cranked it to 75%, and now it's dropping like an extra 0.05 vcore, Exactly the opposite of what it's supposed to do, again causing bluescreens. trying it now with like 20% to see if it' goes the other way.

WOW, what a difference
stable for 3+ minutes (with 0.05 lower vcore) where before it would barely get 3 seconds. trying some more tweaking, lets see where that goes
Edited by paintball9 - 4/5/11 at 12:17am
    
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post #16 of 23
Thread Starter 
So, this really sucks.
I'm not sure whether or not I fried my Mobo, Cpu or Both. But this is definitely not good.
First of all i pulled the 1333 ram out, and cranked the remaining 4gb to the proper timings and voltages (it was a long ways off before). So ya, now i'm getting some absolutely insane Voltage drop. I literally watched my vcore go from 1.5 to 1.04 and back up again. I've now witnessed these kinds of reactions with llc at 15%, 51% (default) and 79%. 15% seems the most stable (doesn't gradually go down with temps like the others) but i still get those spikes? during any stress test. Temps are now like 5c higher than they initially were at the same settings. And dropping everything to stock still leaves issues. I can't get more than like 3 seconds into occt without an error on any one of the cores. and linpack/intelburntest only is able to complete one run before it fails now. (second test completes but with the wrong value) I'll swap out the ram tomorrow just to make sure it's not causing problems, but I know that I'm no where close to passing the limit on that stuff, and the voltage spikes are still an issue. Anyone else run into this kind of issue before.

At this point I'm planning for the worst and looking at complete upgrades already, going straight to i7 2600k or something.
    
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post #17 of 23
Do you have Cool&Quiet disabled?
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post #18 of 23
i got mine 965 BE running on 4.1GHz smoothly with max temp under full load just about 55C

capturetmd.jpg
Edited by LMA-Winter - 4/7/11 at 11:38am
    
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post #19 of 23
Thread Starter 
cool&quiet seems to be auto on my motherboard, if i raise the multiplier above 17 it disables it, other than that it'll auto drop if the system power setting is on balanced or lower. for these tests i've only used high performance.

so ya, appears to be only motherboard that's damaged. I pulled the faster 4gb of ram to keep it more stable (the ram was further offset than i had initially thought) dropped it down to stock voltage and timings to test it again, it's now working in windows fully, passing benchmarks and all but obviously back at the normal slow speed frown.gif
I still notice these voltage drops happening ever 20 seconds or so, but at the normal stock speed they're not nearly as devestating, only going from like 1.34 to 1.2 as opposed to 1.5-1.0. system is performing stable but it clearly not.
    
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post #20 of 23
Quote:
I literally watched my vcore go from 1.5 to 1.04 and back up again.
Your MOSFETs (a 4+1 unheatsinked on heavily OC'ed 125W and tower cooling) are, quite expectedly, getting too hot
OCP is activating and downclocking/downvolting the processor to let temps recuperate and avoid damage
You need to add MOSFET cooling to properly OC that processor on this board


EDIT: My bad it is a PRO motherboard so an 8+1 phase, but I think still unsinked.... adding the cooling might help. You might want to know that most-all ASUS boards with 4-pin power connectors experience vDroop
Edited by xd_1771 - 4/13/11 at 9:41pm
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