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Unstable overclock 1090t

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December 13, 2010 10:17:49 PM

Hey evryone, new to overclocking but ive done a little research. I have a 1090t on air cooling set at 20 multiplier and fsb at 204. Vcore @ 1.42v and ram at 9-9-9-27 @ 1.59v. My computer tends to crash crysis after about 15 to 20 min of play and intel burn in test says the overclock is unstable. Temps are fine on the cpu. I really want to get the cpu to 4.1GHz but i have not touched the northbridge settings which ma be what i need to do, any tips would be appreciated.
December 15, 2010 12:25:17 AM

thanks for the help everyone ....
a b K Overclocking
December 15, 2010 1:38:50 AM

20x204=4080MHz=4.08GHz.
Did you checked cpu temp after 10-15 minutes of playing? It could be an overheating...
Also, try reducing the multiplier or FSB until you get 3.5GHz and play again, see whether your system is crash or not...
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December 15, 2010 3:07:34 AM

Yea I got it figured I had a bad overclock on my vid card. Now burn in test will pass the overclock sometimes and sometimes it fails it. Everything plays fine right now at 201 FSB. I just wanted to see if Icould squeeze some more out of it. I got 1333mhz corsair which should be ok to raise the fsb more than 204 but I have it at 201 now and all is stable, I just want to see if theres anything else I can do to improve stability and OC to 4.1.
a b K Overclocking
December 15, 2010 3:23:44 AM

Your current speed is already fast enough to maxed out almost everything. Why do you want to get 4.1GHz?
a b À AMD
a b K Overclocking
December 15, 2010 11:17:09 AM

What memory?

What motherboard?

Is Turbo disabled?


Drop the memory ratio to 533 from 667. Bump the NB/IMC volts to 1.2v. Disable Turbo. Lock the PCIe to 100MHz. Drop the HT multi to '8' (or drop the speed setting to 1600)

Settings on Auto tend to over-volt <--- keep an eye on this (and monitor for the Thuban Volt Boogie).

With the above settings you should be able to get 16x250MHz stable -- just depends upon the voltages and temps, otherwise. I would consider 1.4v the sweet spot for the x6 -- be careful above that.

16x250MHz will raise the IMC/NB to 2500MHz. Your RAMs will be at spec 1333 (5.33x250). Lotsa tinker room with the cpu multi from there. As tempting as it may be, don't run 1.45v+ for the long run. It will do 1.5v+ but do you really want to go there in the Big Picture?

I suspect she'll burn up, Capt'n --- LOL
!