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1090T - overclocking ram problem

post #1 of 8
Thread Starter 
ok so i'm raising my dram voltage up by 1 notch at a time

and so far it after each adjustment, i save and exit bios, then it starts up, gives an error saying "Overclock failed!"

so then i press F1 to get back into setup (bios) then i raise the voltage by 1 notch

this went on for a wihle, with no problems

then it stopped starting up the computer, so i waited a while and it finaly loaded up with the same message (Overclock failed! press F1 to enter setup)

now its being weird, as it was when it wouldnt start up right away

i never found a "safe spot" or temporary one anyways, where its stable enough to boot

so i went from the overclock failing, to an unstable reaction (so i think anyways)

so what am i supposed to do, when i cant even get a spot where its near stable, so i can start windows and stress test the ram

plz help ty
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post #2 of 8
are you trying to put the frequencies of the ram up or just overvolt it. because i'm pretty sure that there is a memory lock on ddr3 1333 only for the 1000t series.
post #3 of 8
Thread Starter 
my system has a synchronized dram frequency/bus frequency thing

so i raised the dram freq. to max that it would allow, for my set bus frequency

like 1779mhz or something

then i started to set dram voltage from auto to first notch (by pressing +) and started it up and it started saying overclock failed

so i kept raising voltage up by 1, save and exiting bios, and kept doing that

what SHOULD i be doing? if what i was doing was wrong?

ty
Edited by daemon7 - 3/20/12 at 6:41pm
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post #4 of 8
Thread Starter 
and what do you mean by 1333? the type of ram?
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post #5 of 8

Motherboards on AM3 socket processors allow memory multipliers up to x8 (1600Mhz).  I don't know what he means by a memory lock on the 1090T series.  AMD specs the IMC to be able to handle up to DDR3-1333 with no bottlenecks; for >1333Mhz operation, AMD specs that you should overclock the CPU-NB to ensure that extra bandwidth is not bottlenecked by the IMC.  AMD provides an x8 multiplier which you can use for 1600Mhz operation and/or you can overclock the ref clock to get additional RAM frequency.


Since you appear to be combining a ref clock overclock with multiplier OC on the CPU, you are ALSO overclocking the RAM frequency.  RAM frequency is a calculation of ref clock x multiplier.  At 1779Mhz I would imagine you are running either 222Mhz or 267Mhz bus clock.  You need to set your ref clock so that it provides you with a memory speed setting that you know will work.  Knowing the rated spec of your RAM helps and using that as a ref clock base point is ideal for ease-of-overclocking.

post #6 of 8
Thread Starter 
yea my bus clock is 224 i think, thats my stable cpu overclock

i'm resetting bios again, comp won't start up

and sorry for my noobness, but what is "Ref clock"?

and how do i know the rated spec of my ram?

i would also like to get it right this time, atleast get my comp to start so i can work with it without this happening again

so what would you advise me to do this time? i guess the above questions i asked should help me understand what to do but any additional information would be greatly appreciated

unfortuneately i didn't find a guide that has the bios they used that is the same, or even really similar to mine, that probably explains my mess up, i think

thanks
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post #7 of 8
Thread Starter 
i never overclocked nb before (says cpu/nb frequency in bios)

what should i set it at? does it vary according to my cpu ratio (multiplier) and/or my bus frequency?

plz help ty
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post #8 of 8
Thread Starter 
i read around and it says 2.8mhz for CPU/NB frequency

and 1.4v for cpu/nb voltage

but in bios the cpu/nb offset voltage definetly can't be raised that high, so it got me thinking maybe the NB voltage is what i need to raise (in order to support 2.8mhz cpu/nb frequency, although it is set at 2.6mhz cause next notch is 2.9mhz so i'm leaving at 2.6mhz)

let me know ty
the beast
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the beast
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