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AMD phenom overclocking limit? - Page 2

post #11 of 29
#10 And even on air, sweet!

About your memory, 7-8-7-21 at 1424 MHz is awesome!! That's even with some of the fastest RAM available in stores ATM!!!!! Remember high RAM clock is not = high performance
post #12 of 29
Quote:
Originally Posted by Waszipa View Post

#10 And even on air, sweet!

About your memory, 7-8-7-21 at 1424 MHz is awesome!! That's even with some of the fastest RAM available in stores ATM!!!!! Remember high RAM clock is not = high performance

Well the memory was a relatively recent tweak. My over clock crapped out at about 3.8Ghz when the memory was at about 1667MHz (833MHz really), so I had to nudge down another memory multiplier (I've got locked multi's, and have to do FSB overclocking) So I was trying to figure out how i could get better performance from my RAM (its G.Skill 1600 jobbies - F3-14900CL9-4GBXL ) So again with the awesome help from here, i played around with the ram timings till I got to what you see. smile.gif I still think my RAM performance is lacking though, I'd love a BE chip just to see what I could really get out of it, with unlocked multi's.



I think the performance is lacking a bit? thinking.gif I've seem some much higher scores, albeit on much better hardware.
post #13 of 29
Thread Starter 
These CPUs can overclock high though- 40- 4.2GHz is good... That's why I am thinking of buying water cooling kit for my CPU- so I can over-overclock as high as I can, and if I am playing games or doing something that really needs the CPU, I can go scared in case my PC crashes with the OS! or show blue screens.... etc or I will get the max out performance.
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post #14 of 29
Well I'd recommend water - even though I'm on air, I'd love to water cool, but I just don't have the funds for it. I find my chip can thermal throttle on prime95 at times.
post #15 of 29
I run about 4.2-3

Umm..for cheap and good water cooling ..there's a link in my signature about bong evaps.
I based mine on "Motoray's" with some improvements biggrin.gif
 
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post #16 of 29
OOOOOOO TY Schmuckley...I'll have to look into that. I'll have a read later once I'm back from shopping. smile.gif
post #17 of 29
Thread Starter 
Quote:
Originally Posted by 21cage12 View Post

I am thinking of overclocking my CPU (AMD HDZ965FBGMBOX Phenom II X4 965 - 3.4 Ghz AM3 Black Edition CPU) and I want to know how far I can overclock it? I will be buying water cooling, which will help me a lot in terms of temperature.
Is this CPU unlocked? and can it be overclock to 6 cores?
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post #18 of 29
That particular CPU has unlocked multipliers, so should be good for overclocking. As for unlocking extra cores - Its a Deneb core which has a maximum of 4 cores, so no, you can't unlock it to 6 cores. It would have to be based on a Thuban core. All the details of your chip are in the link below.

http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20X4%20965%20Black%20Edition%20-%20HDZ965FBK4DGM%20(HDZ965FBGMBOX).html

Below is an example of a Thuban core based Phenom II (They call the core Zosma when it has two cores locked.) There is no guarantee that you could successfully unlock the extra cores, as they may be faulty, and that's why they were locked.

http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20X4%20960T%20Black%20Edition%20-%20HD96ZTWFK4DGR.html

I just got lucky with my Deneb based Athlon II X3 - though the core I unlocked does have a small fault in the level 1 cache, but the system seems to catch it and correct it ok. smile.gif
post #19 of 29
Thread Starter 
Quote:
Originally Posted by latelesley View Post

That particular CPU has unlocked multipliers, so should be good for overclocking. As for unlocking extra cores - Its a Deneb core which has a maximum of 4 cores, so no, you can't unlock it to 6 cores. It would have to be based on a Thuban core. All the details of your chip are in the link below.

http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20X4%20965%20Black%20Edition%20-%20HDZ965FBK4DGM%20(HDZ965FBGMBOX).html

Below is an example of a Thuban core based Phenom II (They call the core Zosma when it has two cores locked.) There is no guarantee that you could successfully unlock the extra cores, as they may be faulty, and that's why they were locked.

http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20X4%20960T%20Black%20Edition%20-%20HD96ZTWFK4DGR.html

I just got lucky with my Deneb based Athlon II X3 - though the core I unlocked does have a small fault in the level 1 cache, but the system seems to catch it and correct it ok. smile.gif
I found this (The fastest supported memory is DDR2-1066 and DDR3-1333) about my chip, from here http://www.cpu-world.com/CPUs/K10/AMD-Phenom%20II%20X4%20965%20Black%20Edition%20-%20HDZ965FBK4DGM%20(HDZ965FBGMBOX).html, does it mean my 1600mhz ram, and 1866mhz ram, won't make if faster than those they suggested, which were (1333 and 1066mhz)?
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post #20 of 29
Up to a point - they only GUARANTEE up to 1333 on DDR3 , but most folk can run 1600. It will probably default to 1333, but you just change the settings in the BIOS manually. I think you'd have trouble running it at 1866 though. Some one told me, when I was overclocking my chip, that Denebs are only good for about 1600 on the IMC. Mine crapped out at 1667 or thereabouts. It really depends on the memory and the chip, you may get lucky, and be able to run faster. smile.gif
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