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want to get 1090T @ 4.2ghz

post #1 of 9
Thread Starter 
im aiming to get 4.2ghz on my 1090T, can anyone who has acheived this post me there Vcore, clock ratio and multiplyer they used and NB freq, just so i can get a rough idea
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post #2 of 9
Hit mine, stable, at 21x multi, Cpu-NB at 2800mhz, crappy memory, 2400 HT Link, though I recommend leave at 2000 when trying to find an OC, at 1.5-1.52v max, it moved up and down a little in CPU-Z.

One thing I noticed with my 2 Thuban chips, 1055t and 1090t is they dont like going above 55-57c cpu temps. I had a Hyper 212 cooling my 1055T and could hardly get 4.0 stable cuz temp would hit around that mark and cause a crash. Since getting my Copper TRUE and staying under 50c no issues.

Also my 1090T has a sweet spot at 4.0ghz, 2.8 cpu-nb, 2.4 ht link, with v-core at 1.4-1.41v. This is my 24/7 set up.
post #3 of 9
Thread Starter 
to get it stable @ 4.2+ghz would i need to change anything other then the Vcore, tweeking can come later i just want to get my cpu to 4.2ghz stable.
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AMD Phenom II X6 1090T@4.2ghz(1.5v)NB 3ghz(1.35v) GA-890FXA-UD7 Radeon HD 5870 x2 Crossfire Kingston 1333 DDR3 4gb 
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COOLER MASTER HAF X 
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post #4 of 9
Depends man. Some say to OC their Thubans they need to add more cpu-nb too. Just try to see what you get 4.0 at stable first would be my recommendation. Then see what cpu-nb will do after that. Cuz a cpu at 4.2gb and 2.0 cpu-nb is much inferior to a cpu at 4.0ghz and 2.6-3.0ghz cpu-nb. cpu-nb is part of the chips controller so you are overclocking the whole chip instead of part.

I would try 1.425v at 4.ghz and 2.8 cpu-nb at 1.375v and stress. If it passes that then 4.2 should be achievable. Got to check temps first though.
Edited by Chuckclc - 3/4/11 at 1:09am
post #5 of 9
Quote:
Originally Posted by Chuckclc;12605213 
Hit mine, stable, at 21x multi, Cpu-NB at 2800mhz, crappy memory, 2400 HT Link, though I recommend leave at 2000 when trying to find an OC, at 1.5-1.52v max, it moved up and down a little in CPU-Z.

One thing I noticed with my 2 Thuban chips, 1055t and 1090t is they dont like going above 55-57c cpu temps. I had a Hyper 212 cooling my 1055T and could hardly get 4.0 stable cuz temp would hit around that mark and cause a crash. Since getting my Copper TRUE and staying under 50c no issues.

Also my 1090T has a sweet spot at 4.0ghz, 2.8 cpu-nb, 2.4 ht link, with v-core at 1.4-1.41v. This is my 24/7 set up.

Why is your HT-link that high? Im curious!
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post #6 of 9
Put it that high. I have already found my sweet spots and best specs. 2400mhz HT link does help GPU a bit over 2000mhz. Going too high on HT link can cause system instability though. Thats why I didnt recommend to OP. My entire system is actually at a slightly diff setting right now with multi at 18.5 cuz CnQ will not kick in above that. But im at 4000mhz cpu and ~2800 cpu nb and 2400 ht link. with memory around 1440mhz.
Edited by Chuckclc - 3/4/11 at 2:25am
post #7 of 9
Hey Chuck, what are your core temps?
post #8 of 9
I know i don't have the chip you guys have but i have noticed something with mine, the cpu-nb, not at speeds like 4 and 4.2ghz but when i try to get to 4.5ghz...i must have the cpu-nb precisely @ 2600mhz and 1.3v...anything over or under and its just unstable.
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post #9 of 9
Everything looks great, too bad you got the highest-end AMD processor, and highest-end AMD motherboard available... and even two 5870s... and then you cheaped out and got the lowest end RAM frown.gif
Not that it'll hold you back since it's black edition, but it's just...not...optimal!
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