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Achieving DDR3-1866 w/ A8-5600K

post #1 of 5
Thread Starter 
Is there any voltage tweaking I need to do to run DDR3-1866 on a A8-5600K and this board?

I went into the bios and set the RAM to 1866 along with timings at 8-9-8-27-2 @ 1.5v which I know they will do on other builds. It's this which is some of the best ram. I also tried to do 9-9-9-27-2 @ 1.5 but that wont work either.

I just picked up the board and CPU today to play around with AMD's APU as I never got the chance to. Wanted to check out what everyone was saying about it loving the high ram speeds but so far no luck.



Edit - Tried stock clocks/timings of 6-8-6-24-2 @ 1.5 and still nada
Edited by Jayek - 1/11/13 at 12:28am
MkV
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post #2 of 5
I know you can run DDR3 @ 1.65v 24/7 totally okay. Perhaps a little higher than that, 1.7 being the limit? Someone help me out on the highest safe 24/7 limit.
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by FlashFir View Post

I know you can run DDR3 @ 1.65v 24/7 totally okay. Perhaps a little higher than that, 1.7 being the limit? Someone help me out on the highest safe 24/7 limit.

I'm not talking about increasing the ram voltage to make the OC work im wondering if there is another setting or voltage I need to change? Something like nb-cpu voltage or nb voltage. Ive never OC with AMD before these are just settings that im seeing in the bios.
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post #4 of 5
Yes, sometimes the Phenom II architecture requires a small CPU/NB voltage bump. While you're on that, the CPU/NB NB speed, which shows up as NB ClockSpeed in CPUZ on the memory tab, is something you also want to overclock because the phenom ii architecture. ***Dunno how this applies to the a series though =OO

http://www.overclock.net/t/555061/guide-am3-cpus-which-ram-speed-is-faster-and-which-cpu-nb-clock-is-best/0_100
Yesz
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Yesz
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post #5 of 5
Thread Starter 
Quote:
Originally Posted by FlashFir View Post

Yes, sometimes the Phenom II architecture requires a small CPU/NB voltage bump. While you're on that, the CPU/NB NB speed, which shows up as NB ClockSpeed in CPUZ on the memory tab, is something you also want to overclock because the phenom ii architecture. ***Dunno how this applies to the a series though =OO

http://www.overclock.net/t/555061/guide-am3-cpus-which-ram-speed-is-faster-and-which-cpu-nb-clock-is-best/0_100

The chip I have is based on the piledriver cores. Does this still apply?
MkV
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MkV
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