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Phenom II steppings and max OC 550-940 - Page 44

post #431 of 2829
Quote:
Originally Posted by Mich_Wellington View Post
I need your guys great wisdom and guidance....i am having some strange issues and im wondering if you guys could give some insight, i just got my phII 940 installed today, started off and ran it for about 4 hours while i did a raid to let it settle into its new home and everything was fine. now i tried overclocking and i am getting good overclocks my max overclock is 4.2 on my water but its not prime stable, it crashes as soon as i click start my current stable overclock is 3.7ghz with a 18x multiplier and a 210 ref. clock

now that the background is covered, on to the issue......my Vcore volts are acting strange......i have it set in bios to 1.55 but as you can see in the screen shot.... the voltage is reading 1.6 in both PC Probe from asus and CpuZ im somewhat alarmed......so yea!!


P.S I see my temps at 61c that's after about 1 hour prime, i think i can drop the temps by cleaning my water block it looks like it has some buildup in it, perhaps i can make the 4.2 stable.
If you send me all the info requested in the first post I'll add you to the database... or at least as much as possible (I know it was spread out in bits and pieces... but if you could lump it into one post I would appreciate it). And if you attach more pics, be sure to have them at a resolution we can read everything at. Also, where in Seattle do you live?

As for the voltage, a lot of motherboards let you set the voltage on one place, and then add more voltage in another place (I think mine is called over-voltage or something)... I've had a few MB's that will start out with additional voltage already added... so I'll see 1.2V in what looks like the normal setting, but then an additional 200mV in the add-on, for a total of 1.4V, and like 1.38V after Vdroop. Check in your BIOS and see if you have an "over-voltage" setting in there that's adding extra voltage past what you think you're giving it. (And the numbers above are examples, but not from my specific system... I think mine started out with 100mV or 150mV added on.) Anyway, this could very easily be your answer... or not.

Quote:
Originally Posted by BenBrown View Post
From the person that started this thread:

http://www.overclock.net/amd-cpus/42...enchmarks.html
I never asked but I was curious if your ES chip was the same as that one... I knew he was talking about selling it, but I never found out who it was... only read up until maybe half way through. Glad you got it tho!!
    
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post #432 of 2829
Quote:
Originally Posted by NCspecV81 View Post
The colder it is the more of an overclocking beast these become. My evap is reading approximately -52c on idle and around -40c on load priming @ 1.6v
Sorry to double post, but NC I see you got your best 3DM06 score with a QX9650 @ 4.6GHz... what did you get with the PhII at 4.6GHz...?
    
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post #433 of 2829
Quote:
Originally Posted by oneluvballer21 View Post
I never asked but I was curious if your ES chip was the same as that one... I knew he was talking about selling it, but I never found out who it was... only read up until maybe half way through. Glad you got it tho!!
I actually just sold that chip to another member here and purchased a retail chip with the same stepping as NC from another member here. I am curious if there is any difference between the two so we shall find out.
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post #434 of 2829
im thinking of giving this "lapping" thing a go this wknd. Any tips?
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post #435 of 2829
i may have to give phase change a try, ive only ever done tec at tops for cooling, phase change is just harder to change parts on isnt it?
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post #436 of 2829
Quote:
Originally Posted by skywarp00 View Post
im thinking of giving this "lapping" thing a go this wknd. Any tips?
Processor or heatsink? or both?
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post #437 of 2829
both man, the heatsink being the v8cooler
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post #438 of 2829
Great to hear people are still striving for higher oc's, and there's some very nice oc's done (good work skywarp btw on yours!) I'd post a proper reply, but as I have to head out very soon I just ducked in quickly to post.

Due to hardare failure, I'm out of the OC race at the moment. Killed two of my slipstreams (they really, really need to have them sleaved) and a ultra kaze, and the best backup fans I had were a tricool, and the stock noctua fan that comes with the U12-P. While a great fan for silent setups, the fact that it works at less than half the CFM of my slipstream spells obvious implicaqtions for my airbased setup. I'm also forced to use an 80mm fan rigged wth zipties to replace the third damaged fan.

4.0ghz probably would be possible, and I came close. I got 4.0ghz 40 minutes OCCT stable on 1.55v after 2 days of straight tweaking, before I went into a hsf mounting frenzy attempt to lower my temps (this is how I killed my fans). My ram while decent/good even considering its cost, is holding me back and making things difficult.

I'm not sure its even worth hitting 4.0ghz, considering the effot it was taking. My motherboard and bios has definite bugs, which I've discovered and will forward to ASUS (who knows if they will be interested). Aside from that, my motherboard has a weird issue of its own, in which it will not under any circumstances run my CF setup in x16. As I was cpu limited before, I never even bothered to try every possibilty to get it working, however after exhausting every single combination and doing more research than I care to do again, its not possible (at least for my particular board, might be faulty). Seeing this is the reason I even purchased this mobo, I may just replace it and try to hit 4.0ghz then. RMA'ing is not an option till I get a new board, as I have no deneb capable backup in the meantime.

Anyway once I get back I'll post some more screenshots/observations of the tests I was doing, might be interesting/helpful I'm not sure. Would actually be useful instead of my ranting, but after days of seeing very little to no progress due to a POS useless motherboard, only to kill my fans is disheartening to say the least.

Best of luck to the rest of you, and keep on going! When I return, I hope to see 4.0ghz air records, I know you can do it! And for NVspec well, I could not even guess what crazy oc's you'll reach Thanks once again baller for keeping this thread updated, and hopefully you'll actually get to play with your hardware soon!
Edited by Drin - 1/22/09 at 7:26pm
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post #439 of 2829
Quote:
Originally Posted by skywarp00 View Post
im thinking of giving this "lapping" thing a go this wknd. Any tips?
I copied and pasted this from one of my other posts about this in another thread... so when you read it keep in mind it was directed towards someone else in a different thread...

"Wow, its never taken me more than 3 hours to lap a CPU... these days no more than a couple hours. Key is to keep rinsing the metal "dust" off the paper ... it essentially gets in the crevices in the sandpaper and prevents the grit from "digging" very far into the metal. I have a plastic bowl dedicated to this whole procedure, as my rinse bowl; after such use its basically contaminated. The less metal residue the faster it will sand the surface down. Personally, I take a full sheet of sandpaper and basically divide it into four "square" quadrants, working one quadrant at a time until it is well worn. Once all four are well used I work the center of the paper in a similarly sized zone... kind of a fifth quadrant. You get the max use out of each sheet that way. And I only use a circular motion, but that's just me. And yeah, rotate the CPU or cooler-block every now and then to make sure you aren't just wearing down one side/edge. As for applied force, I don't press toooo hard, but I certainly give it some force... just gotta be sure its an even downward force!

For a while I was going through a lot of different CPUs, lapping each one I touched... at least 12. And as for coolers, 8 so far that I can remember, but there could be another one or two I'm forgetting. Hence having a bowl I only use for lapping... all my lapping stuff has its own box.

EDIT: also, as for the mirror finish theory, the closer you have to a mirror finish, the less crevices and grooves you have on the surface... the idea of lapping is not only to remove the concavity/convexity, but to also revome microscopic grooves in the surface, which in essence gives you more metal-to-metal contact, or brings the two metal surfaces closer to each other on average (think on a microscopic level), which translates to better heat transfer. You know how two pieces of glass laid together will stick to each other when all the air is removed (via suction) from in between? Its because glass has that smooth of a surface, and less air can fit in between and act as a lubricant. Less air in between also means the two sheets of glass can get closer to each other on average. Same thing applies for a CPU and its cooler. While a mirror finish may not be 100% necessary, you certainly don't want to see any grooves on the surface... if you can see them, then you're not done lapping yet."

(http://www.overclock.net/air-cooling...ml#post5081928)
Edited by oneluvballer21 - 1/22/09 at 7:31pm
    
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post #440 of 2829
Also, for TIM application:

"What you use makes a big difference, as stuff like AS5 have a soft goey-ness to them, where stuff like MX-2 and such are more "clay-like", or don't spread well. If you are going to lap your CPU/block, I recommend using AS5 or something with a similar consistency, because you can spread it very thin (my technique explained below), but if its not going to get lapped, then I would say MX-2 or shin-etsu is another route to take. I personally go for AS5 because I always lap my CPUs/blocks. If you take this route, here's what I believe to be the best way.

Take a bottle cap that has not been bent off the bottle, i.e. it was screwed off, and bend it in half so that the outer part of the cap stays on the outside and you have a smooth straight edge, slightly rounded side-to-side.... this is your applicator, the best you'll find/make. It'll allow you to spread your TIM evenly, get it very thin, and not scratch your CPU surface. I've tried this with MX-1 and shin-etsu, and its not very easy to get that thin layer this way. And if you have not lapped the CPU, then you may be dealing with a concave/convex surface, making it hard to know if you've spread it too thin, or not thin enough, hence why I always lap the CPU/block.

One thing I've been wanting to try is microwaving a small amount of MX-1 or shin-etsu to see if it might soften up enough to be more spreadable, but I haven't had the chance to try it since the thought popped into my little wheel box upstairs. But if that's the stuff you'll be using, then someone else might have the best application method...

EDIT: Also, assuming you have the lid on your CPU, spreading it over the edge shouldn't be a concern, so long as you get that thin layer on the top..."

(http://www.overclock.net/water-cooli...ml#post5254656)
    
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