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AMD® Phenom™ II Overclocking Thread

gurusan said:
I like how your original statement of "1C can mean the difference between stability and BSOD", has turned into basically a general statement of "temperatures affect stability".
:rolleyes:
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Is 1C not a temperature difference?.
Bottom line, regardless of what you think, of what frequency it's running at, if it gets too hot beyond the thermal capabilities, it will BSOD, it's different for each Phenom II about what they can take.
 
Martini1991 said:
I'm saying, at certain temperatures, they will BSOD, at others, they won't.
Temperatures is universal, I never said core temperature.
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i can agree if the temp too high for awhile then yes it'll crash example if the temps at 50c then jumps to 67c and stays there for awhile , but i've never seen one crash when the temp increases by 1-2c then shuddery crashs. the temp normally jumps 1-2c -/+ every 20-30 seconds when its that it peek
 
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gurusan said:
To test your theory you would need to run IBT and record max temp...
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That's what I've done, and I don't know how you specify "stable" or "unstable" but when playing with my heating and OC I found out that if I can keep CPU below 50c, it will happily do prime blend / IBT and everything I throw at it for as long as I want, if I put my heating on max, room temp increases and CPU jumps to 51-52c, instant crash : ).

Which is not a problem really since it has to be ***** hot in my room for temp to go that high, would probably fry my balls before the CPU but it doesn't change the fact that as soon as I can get it to 51-52c it goes poop and below 50c will run prime/blend/ibt/linx for heck knows how long, max I putted was around 20hrs of total testing 1 after another.

gareth170 said:
but i've never seen one crash when the temp increases by 1-2c then shuddery crashs
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Depends on CPU I guess and maybe you didn't find that wall of yours just yet, it can be very high for some, say 65c or the 67 you've mentioned.


--------------
Anyways, stop the temp topic already I guess unless you're fancy finding out your max temp too and see where it crashes constantly then we can have a nice range to see how diff models react to temp under full load.
 
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Martini1991 said:
Is 1C not a temperature difference?.
Bottom line, regardless of what you think, of what frequency it's running at, if it gets too hot beyond the thermal capabilities, it will BSOD, it's different for each Phenom II about what they can take.
Click to expand...

BSOD occurs due to errors occurring as the CPU processes instructions, due to changed resistances, changed electron flows, changed atomic vibrations and so on.
The point is, the chance of an error occurring is just that, a CHANCE. As you bump up the temperature, that probability of an error occurring increases - but it is not a FIXED thing, not only are there many outside factors affecting it but the actual operation of the CPU is based on the chaos anyway (at the atomic, electronic, and hence thermodynamic level).
 
Anyway back on topic....just got my profiles tweaked. I used k10stat, I have 3 specific profiles as I like to choose them manually, 1 for leaving the house and the puter is just on for downloads, or for watching video as the GPU does all the work....2nd profile is for normal browsing and windows use....even at 1.2GHz it's plenty snappy and no noticeable difference between 3.85GHz. And finally 3.85GHz for gaming or anything else cpu-intensive.

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Nice work gurusan! . . . that's a great HT ref. you got running there! :)

I'd be interested to hear your feedback on how you feel the new build is handling your *personal* workload, impressions etc! :cool:
 
just wondering, why up the HT ref? if u have a black edition cpu u get the same results just by upping the multipler. i know if you wanna overclock the ram you'll need to up the HT ref.
 
I think gurusan is using a AMD® Phenom™ II X3 705e, unlocked to X4 (i.e non BE) . . .

Although give him a few weeks, I'm sure he will have tested almost every AM3 chip under the sun! :D
 
ohh ok... ;)

at the moment im running prime95. which been running for 2hours n 30min. so far no problems so it's looking like it was a ram issue, as i've droped it down to 1333mhz 7-7-7-20 1t 1.75v.
 
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gareth170, I gather you are having a sporadic stability issue with Prime Blend? . . . I'm not 100% sure of what's going on but maybe you could make a more detailed post explaining the issue in depth, what you tried etc, maybe someone else in the team will spot something or be able to suggest a possible fix? :)
 
Hehe, how funny! :D

Just sorted out all the freebies from AMD®, an eclectic bunch of paraphernalia/memorabilia to say the least! . . . I love it! :p

  • AMD® Collectible Ruby On Snowboard Figurine x5
  • AMD® Blank Overclocking Journal x5
  • AMD® Fusion Mousemat x5
  • AMD® Telescopic Umbrella x5
  • AMD® Key Chain x10
  • AMD® Dragon System-Sticker x5
  • AMD® Lip Balm x5 :D
amdbooty002.jpg


I'm not sure how to divvy this lot up amoungst the threads contributers? . . . . I'm thinking of either making it into five lots consisting of Figurine + Bits, or if interest is sufficient then maybe doing five lots of a figurine and another 5 lots of bits?

Anyway send us an email at the address above with subject: AMD Freebie 002 if there is anything you are interested in and I'll sort it out as best I can! :cool:
 
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basicly at 1600mhz it's not stable even with 1.8v for the ram, increaseing the cpu-nb voltage doesn't help either.

this morning i've droped the vcore back down to 1.425v (which was stable before) and i droped the ram down to 1333mhz 7-7-7-20 1t 1.75v and i ran prime95 on blend while i went out but when i got back just now and the system crashed at 14:34 so it was running for about 4hours
 
Ah how annoying!

Can I ask what speed the CPU/CPU-NB/HT-Link is running in this testing? . . . also did you check out that BlueScreenView linked above in post #485 . . . not that it will fix the problem but may clarify if your getting the same error (assuming these crashes you been having are indeed bluescreens?) . . .
 
3.8ghz/2.6ghz/2.0ghz but i've tryed running the CPU/CPU-NB/HT-Link at stock and just running the ram at 1600mhz 7-7-7-20 2t 1.7v but prime95 stops shuddery, so i tryed 1.75v which helped alittle but still wasn't stable..

yep i have BlueScreenView ... it says the 2 crashs was hal.dll..

i already RMA 'ed my first kit thinking they faulty, but i admit these replacement sticks are slightly better
 
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Oh dear, if it's a memory related problem they can be very tiresome to trouble-shoot, the sticks could be 99.99999% working but that 0.000001% fault can hide away from nearly everything except Prime Blend?

Dunno what to suggest really, seems the Blue screens are at least consistent, I'm also wondering what else it can be apart from the memory? :confused:
 
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