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Athlon II Overclocking Guide (beginner friendly) - Page 16

post #151 of 356
Quote:
Originally Posted by ronnin426850 View Post

Take the case cover off. Start LinX or Prime or whatever. Touch the heatsink. If you feel you're burning your fingers after 5 sec, you're at 70C.
BTW unlocking often screws the temp sensor, so I think you're in safe range. What's the TMPIN0 reading?
PS: These days quad is better than OCed tri. smile.gif

Alright! I'll do that! I remember one time after I unlocked the fourth core ( I already had an aftermarket cooler installed), I tried playing it with Mafia II and I think I played for almost an hour with all four cores on. I don't remember any system crash, or excessive heat coming out from the cooler.

But, I'll try to experiment with the fourth core on later.. I'll post the TMPIN0 reading later once I get home. smile.gif
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post #152 of 356
BTW, I forgot to ask this... I'm running Linx most of the time to check the stability of my OCe'd cpu since last OC that I made passed 20 loops but by the time I ran Prime95 it Immediately resulted into BSOD.

Is there a difference between these two (LinX and Prime)??
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post #153 of 356
Thread Starter 
Quote:
Originally Posted by CarreoJ View Post

BTW, I forgot to ask this... I'm running Linx most of the time to check the stability of my OCe'd cpu since last OC that I made passed 20 loops but by the time I ran Prime95 it Immediately resulted into BSOD.
Is there a difference between these two (LinX and Prime)??

They are quite different programs smile.gif Prime is known for crashing even stock PCs, that is why I use LinX.
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post #154 of 356
Quote:
Originally Posted by ronnin426850 View Post

They are quite different programs smile.gif Prime is known for crashing even stock PCs, that is why I use LinX.

I see... I just unlocked the 4th core and ran Prime 95 for 1 hour and looks like its stable. Touched the heatsink and still as cool as ever. TMPIN0 reading was reporting 54 degrees maximum.

I think I can keep the fourth core on biggrin.gif
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post #155 of 356
Quote:
Originally Posted by CarreoJ View Post

I see... I just unlocked the 4th core and ran Prime 95 for 1 hour and looks like its stable. Touched the heatsink and still as cool as ever. TMPIN0 reading was reporting 54 degrees maximum.
I think I can keep the fourth core on biggrin.gif

Yes, if your cpu socket temp is 54 you should be safe. As I have understood it, the cores is never hotter than your socket temp. Corect me if im wrong someone.

What volts and GHz did you run it as an quad?

And what is the diffrence in tmpin0 as a tri core vs quad core?
post #156 of 356
whys cpuz showing fluctuating frequencies? Sometimes my motherboard boots and sometimes it doesnot even without any change in the bios.
post #157 of 356
So ronnin you mean to say that prime isnt that great for stability testing? I have Intel Burn Test which is basically LinX with a different badge, should I in future use that for stability testing when overclocking and if so how long is recommended? I can also set how much RAM it uses so 1 2 4 or 8Gb?
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post #158 of 356
Thread Starter 
Quote:
Originally Posted by Alastair View Post

So ronnin you mean to say that prime isnt that great for stability testing? I have Intel Burn Test which is basically LinX with a different badge, should I in future use that for stability testing when overclocking and if so how long is recommended? I can also set how much RAM it uses so 1 2 4 or 8Gb?

No, Prime is great if overkill is what you seek smile.gif If you do 24/7 CPU folding, long prime runs are a must.
However 12 or 24 hour Prime runs are next to useless for the general population of the forum. Yes, it does prove stability. But for 99% of the users, a 30-60 min IBT or LinX test is quite sufficient. You do 1 hour IBT or LinX run, which does 2 things - tells you if your OC is stable enough for daily use (gaming included), and gives you a relative performance increase margin in the form of flops difference. Next, play some BF3, some SCII, or anything you wish - if you see instabilities, shave 1 or 2 off the ref. clock. If not, you're as stable as you need to be smile.gif
In other words - maybe Prime would crash after 18 hours, but why should you care? if all you do is play BF3, and you can play it for days and days with 0 issues smile.gif

No point in losing days just for stability tests IMO. (not to mention the electricity. So you have all energy-saving lightbulbs, yet torture your 600W PC for days with 0 actual purpose or productivity? smile.gif )

Plus, I really doubt anyone would CPU fold on an Athlon smile.gif

A more personal preference - I would never use Prime, just because of those 1 or 2 cases of it crashing on stock PCs - i just don't trust it smile.gif
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post #159 of 356
Thread Starter 
Quote:
Originally Posted by cadogen View Post

whys cpuz showing fluctuating frequencies? Sometimes my motherboard boots and sometimes it doesnot even without any change in the bios.

Sorry for double-post, and for taking long to reply smile.gif

Depends on what you call "fluctuation". If you mean varying between 800Mhz and 3500Mhz, then that's just the natural switch between the different CPU states. The CPU doesn't need to run at its max frequency, if its not being intensively used. The moment the load increases beyond a certain treshold, the CPU switches to the next frequency. Some CPUs have 2 states, some have 3.

If you refer to fluctuations between 1998.2 and 2000.8 Mhz - I don't really know, but I can speculate. The voltage that the mobo feeds to the CPU passes many "devices" before it gets to the cores. In the PSU alone there are OCP/OVP/OTP mechanisms, AC to DC adapter, lots of other stuff that I don't know that much about (rail controls and such). Then there are MOLEX connectors, Voltage Regulation Modules on the mobo, "Load line calibrators" - All those things are affected by temperature, vibrations, magnetic fields and several other variables, so it is no wonder - voltage fluctuates.

Since the power source fluctuates, it is only logical for the parameters of the chip itself to fluctuate with it, in small amplitudes. Then also there is CPU temperature with has all kinds of effects, also varying load factors... At least that's my reasoning.

I hope it makes some sense smile.gif
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post #160 of 356
Quote:
Originally Posted by ronnin426850 View Post

If you feel like experimenting, you can drop CPU multi to 14x, raise ref.clock to 260 or something and drop all other multipliers till they produce stock freq.
Also, if you can manually set the timings to CL9 and still get the BSOD, it's probaby not your RAM, but just the CPU being unable to cope with higher freq. It happens smile.gif
Have you tried to unlock it? I've heard that badly OCing AthII x3 have better chance to unlock to Phenom quad.

Hey ronnin! I just made a few experiments earlier..I just need your opinion since I had a different results and a not so stable clock..

cpu frequency multi : 260 x 14
cpu/nb : x8 (2080)
cpu overvoltage : 1.53 (CPUZ)
memclock value : 1387

DRAM Timings:

TCL: 9
TRCD: 9
TRP: 9
TRAS: 27
TRC: 27
cr =1

It only passed Linx for 9 loops and had an error on the 10th, no BSODS though smile.gif
Any thoughts why I'm getting an error on the 10th loop? Should I alter any settings?

Thanks again!
Edited by CarreoJ - 4/23/12 at 11:12am
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