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My 555BE was screaming along beautifully when suddenly...(gasp) THE WALL!

post #1 of 13
Thread Starter 
Ok, so I am definately not complaining here,The 555BE is a BEAST! Unlocked to X3 cores @ 4ghz stable on 1.36v!! This has all been a bonus for me as I really had no idea the potential that this chip had...But now the reason we're all here.. What next? I figured since it performed so well and cool at an X3 that as an X2 I could push it even higher..does it make sense that it can pass an 8 hour prime95 torture test with no errors while unlocked to three cores at 4ghz, but is completely unstable at x2 cores trying 4.2ghz even giving the cpu voltage a nudge (1.4 to cpu)? However since I am new at this Im sure I may be making some mistakes here.. so Ill give you the basic rundown

Im including some screenshots of CPUZ and CPUID Hardware monitor just so you know I'm not blowing smoke I'll also post a couple of pics of the build itself.
First though, here are the guts of the OC
555BE x3 (recognized as phenom II x4 b55)
2 X 2GB Gskill Ripjaws cl9 running at 866 (Im assuming this means a piece, and dont believe this is overclocked)
cpu voltage : 1.36 (shows up as 1.34)
Multiplier: 20
FSB: 200
HT Link: 2008?

So far I have just tried the dual core overclock at 4.2 because I figured it was a good place to start but it just locks up prime95 and blue screens.
What I dont understand is that it seems by all common experience here, I still have some pretty good headroom, I just need some help putting it all together. For instance, other areas I can add some voltage without doing any damage (Im aware of the inherent possibilities of OC'ing) And if that will even help or if its even possible to hit 4.2 with a 555 and CM 212+.









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post #2 of 13
Quote:
Originally Posted by RustyCage View Post
Ok, so I am definately not complaining here,The 555BE is a BEAST! Unlocked to X3 cores @ 4ghz stable on 1.36v!! This has all been a bonus for me as I really had no idea the potential that this chip had...But now the reason we're all here.. What next? I figured since it performed so well and cool at an X3 that as an X2 I could push it even higher..does it make sense that it can pass an 8 hour prime95 torture test with no errors while unlocked to three cores at 4ghz, but is completely unstable at x2 cores trying 4.2ghz even giving the cpu voltage a nudge (1.4 to cpu)? However since I am new at this Im sure I may be making some mistakes here.. so Ill give you the basic rundown

Im including some screenshots of CPUZ and CPUID Hardware monitor just so you know I'm not blowing smoke I'll also post a couple of pics of the build itself.
First though, here are the guts of the OC
555BE x3 (recognized as phenom II x4 b55)
2 X 2GB Gskill Ripjaws cl9 running at 866 (Im assuming this means a piece, and dont believe this is overclocked)
cpu voltage : 1.36 (shows up as 1.34)
Multiplier: 20
FSB: 200
HT Link: 2008?

So far I have just tried the dual core overclock at 4.2 because I figured it was a good place to start but it just locks up prime95 and blue screens.
What I dont understand is that it seems by all common experience here, I still have some pretty good headroom, I just need some help putting it all together. For instance, other areas I can add some voltage without doing any damage (Im aware of the inherent possibilities of OC'ing) And if that will even help or if its even possible to hit 4.2 with a 555 and CM 212+.









try unlocked and overclocked P95 for 20hours+
if it crashes or a thread fails then it means your OC isn't stable
thats probably why it crashed methinks
post #3 of 13
Ever thought it may be the power supply?
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post #4 of 13
Personally I'd look into the 40C idle temps.





Unless you're not going for stability and just shooting for suicide runs, in which case give it 1.6v and let it rip.


1 core 6 cores, it really doesn't seem to matter all that much with voltage. 555's need 1.3ish to 1.5v for 4Ghz, 965s need exactly the same as do x6 chips. Voltage doesn't change much with core count. Temps usually will however.
Edited by BallaTheFeared - 3/23/11 at 2:33am
    
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post #5 of 13
no gpu? o.O

sorry not sure bout ur oc.
    
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post #6 of 13
Quote:
Originally Posted by Liighthead View Post
no gpu? o.O

sorry not sure bout ur oc.
He's using onboard
post #7 of 13
Quote:
Originally Posted by Volvo View Post
Ever thought it may be the power supply?
Would be a very bad PSU then ;

Quote:
Originally Posted by Mr.Pie View Post
He's using onboard
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post #8 of 13
Thread Starter 
[QUOTE=BallaTheFeared;12835880]Personally I'd look into the 40C idle temps.





Im pretty sure that screenshot was at full load.... shouldve labeled them better

Judging be the idle/load temps do you think it would be safe to assume that my core temp is 10c lower than cpu temp? believe it or not if thats the case my little case probe is more accurate than all the programs at determining core temp (its stuck in the heatsink fins as close to the processor as possible) but then the socket temp you would think would me more accurate as it is even closer to the core.....hmmmmm
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post #9 of 13
Any time you use ACC to unlock cores you destroy the "core temp" readings. You'd have to go off cpu temps at that point (which you should really anyways).

You can still depend on cpu temp readings, stay below 62C for best results in that department.

Your screen shots aren't labeled and because of the way you did them they're kind of confusing. The first one for instance was opened it seems after prime95 was started, so it looks like you're idling as there is only a 2C difference between min and max.

Personally I've had a 555 @ 3.9 a 555 @ 4.2 a 965 @ 4.3 and a 1090T @ 4.5 and in all that I learned that the northbridge is more important after 3.8GHz than added core MHz. If you can do x3 @ 4Ghz with a 2.8 or higher NB you're at the peak of Phenom II performance under normal cooling conditions. The only thing an x4 or x6 Phenom II would have over you at that point are the added cores which may or may not do anything for you depending on your usage.

If you hit 4GHz and 2.8+ NB and still feel you need more power playing 2 threaded titles your only upgrade path from there is through Intel.
    
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post #10 of 13
That power supply seems to suck ,unless the maker of the electronics inside is Seasonic ,Delta, CWT ,which i really doubt.

GET a PROPER POWERSUPPLY ,before forcing some more ,to avoid collateral loses !
   
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