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Overclocking bottleneck? Experts only plz.

post #1 of 14
Thread Starter 
Well to start off. I originally got my 6400+ up to 3.6 ghz on air and passed about 2 hours of orthos. I was a little freaked out by starting to touch into 60-62 C under the stress test. I have always understood 60c on a k8 is about the limit. Cooler is faster, I know but I opted not to water cool this computer due to financial constraints. When I do water I dont cheap out.

I totally went back to ground zero and am sitting right now at

HTlink 4x

16x multiplier
209 frequency to give me 33.43.98mhz.
cpuz shows my ram at 418 its 5 5 5 18

I keep moving things around and for some odd reason all programs are reporting my voltage as 1.4 when I move it up in bios. Obviously a lot of these reporting programs are unable to totally function reading sensors due to the fact that I predominately use XP x64.

I really want 3.4-3.5 stable.

I am currently thinking I'm hitting a mobo restriction. I keep trying to drop the ht link to 3 or 4 , drop the memory to ddr 667, set the multiplier at 12-14 and play with the frequency to get my desired speed.

I have good memory which has tested memtest fine leaving the multiplier on 16 and going up to around 210 frequency.

I can't figure out why these programs are saying its at 1.4, you'd think if it were a software problem it wouldn't report anything. Its not the black edition cpu which I have no idea if there is even a difference besides mine came w/ the famous opty heatsink.

I dont even POST no matter what my memory is at when I start moving the cpu frequency over around 240, w even 14x.

Any insight would be greatly appreciated.
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post #2 of 14
This might be a stupid quesiton, but its worth a shot. Did you leave your voltage on Auto in the bios? My CPU doesnt go over 1.4 with it on auto either on my m2n32...

If you got it to 3.6 you should easily be able to replicate that, especially since you only want 3.5. I would suggest going back to where you had it at 3.6 and taking a step back. Most likely lowering the ref. clock will make the changes you need.

May be a good idea though to isolate the motherboard and see how high your ref. clock will go with everything else running under-spec.
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post #3 of 14
Thread Starter 
LOL, no I manually set it to about 1.475 -1.500 being air cooled i think thats pushing it as is.

When I initially clocked to 3.6 I just went through about an hour and a half orthos and made it. Anything longer, sometimes shorter would fail. I can't get 8 hour stable until I drop to where i'm at now 3.344. 16x 4xht
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post #4 of 14
Wellllllllllllllllll

You could try a small bump to the voltage of the NB, just make sure you have some sorta decent heatsink and/or fan on there.

My windsor lets me go up 400mhz on 1.450v, so I imagine yours should do something similar. I would try to keep temps below 55 for stability issues.

Try isolating the board like I suggested. There is a guide around here somewhere on how to do it. Its very well written and its an amazing amount of info... just do forum search for it...
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post #5 of 14
Thread Starter 
Its gotta just be the board. I dont have voltage options for NB. Does your m2n have it?? Can you get your ddr voltage above 1.95? I dont have any options above that either. I'm a very experienced overclocker and have never seen the weird issues I'm seeing with this thing.
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post #6 of 14
My board does have the voltage options for everything, chipset included. I can set my ddr voltage to 2.5 I think, maybe higher but 2.5 for sure. I believe the M2N series of boards though have limited ddr voltages (1.95 is about right I think) while my board is the M2N32 so im unaffected by that. Its also a different chipset so that may explain my added bios tools.

Just for fun, if you havent already, obtain the latest bios. I assume you have, but just in case you havent, try that.

Its most likely the board holding you back. I wouldnt go so far as to say its broken, but I think its just limited due to the nforce 570 set. If you can spare some $ go with a board like mine, the M2N32-SLI Premium, or even the Deluxe model will do. Premium is better though, its %100 solid state caps...
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post #7 of 14
It's hit or miss with that MB,I've seen more than a few people have trouble OC'ing that MB.
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post #8 of 14
Ryan, your asking a lot out of that 6400+ . You'd be lucky to go any higher then 3.4Ghz Orthos stable. I mean honestly the K8 tech can only go so far before it just gives up.

Like superk suggested in a previous email, you need to find out the maximum HTT (reference clock) of your chipset. If your board is limiting you then we'll find out.

Good luck
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post #9 of 14
Thread Starter 
Yes, I know I am. I bought the thing just because the board I got was a m2n-e and I figured it could over clock but not amazingly well. Had no idea I'd be dealin with such retarded issues. I am serious I will never purchase another piece of asus crap again. I had a few good experiences with them, but not recently.

I went w/ the 6400 for the simple fact that even if I couldn't o/c much i'd be at 3.2 ghz lol. I couldn't bring myself to buy and intel chip just yet. I want to see AMD at least be in the market to compete. The last thing I want to see is Intel dominate the CPU war and charge whatever they want for a cpu.

They gotta have some competition to keep them in line. Well right now I'm holding about 5 hours stable at 3.5 but, 5 hours stable isn't stable. lol. I am really in a jam on what I want to do. I built this system to supposedly hold me over for another 6 months to a year until i rebuild a new badass. If i start buyin new mobos for my current ( new ) system, I'll end up buying new psu's another video card etc.

I'm quite the compulsive spender when it comes to cars and computers lol. This latest upgrade simply started off as a new mobo and cpu, turned into almost full new system haha.
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post #10 of 14
You might want to tighten the latencies on your RAM, which worked for me on 'higher' FSB speeds..
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