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Help with nortbridge oc phenom 965

post #1 of 17
Thread Starter 
i have some stuff from bios i will write here first:

Cpu thermal throttle (on) - should it be off?

ht bus with (auto)- should i change it?

Memory clock 800mhz ddr3 1600 -it is adata 1333mhz original so should i settle with 1600mhz?

dram voltage 1.650- is it ok?

chipset voltage (auto)- what it is for? Is it for the nb?




Ht voltage (auto)- should be fine or? hit link we want at 2000mhz with no altering voltage?

nb voltage (1.1000) - is this for the nb voltage, i want like my nb at 2600mhz so is it i should alter when i try to clock my nb? And wich voltage is max for it? I have my nb passive cooled but with alot of fans.

cpu voltage (1.4375) - cpu is clocked stable at 4ghz so should be fine with that voltage?

nb 2000mhz- this is what i want to get to like 2400-2600, and i do that by altering it to like 2600 and raise the (nb voltage) or?

So to sum it up i want to raise and clock my nortbridge, but im unsure for the (nb voltage) in bios if it is the right option to raise voltage and what is like max when it is at 1.1000.


Pls help


http://valid.canardpc.com/show_oc.php?id=2034169

And do u guys think i should try raise fsb by like just 5 fsb and reach 4.1ghz with a little boost from the fsb? Maybe just raise the cpu voltage to like maybe 1.5 max?
Edited by hyp3rtraxx - 10/7/11 at 4:47am
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post #2 of 17
cpu thermal throttle must stay on
do not drop your HT because you got black edition cpu
if your ram stick supports 1600mhz stay with it and use 9-9-9-27 1.65v with 2T for more stability
increase CPU NB voltage to 1.3v
and cpu voltage to 1.475 or 1.5v for full stability
1.5v is for 7/24 usage and max voltage for air cooling is 1.55v! remember!
    
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post #3 of 17
and do not mess up with chipset voltage ^^
for nb overclocking don't touch nb voltage!
you must increase CPU/NB voltage... not the NB!
    
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post #4 of 17
if you want nb speed 2400... follow this step
set cpu multiplier to 17x (default) overclock with fsb 240...
you'll got 4080mhz cpu and 2400nb then drop HT link 2 times...
increase cpu voltage to 1.475 / 1.5v (these are safe voltages) ...
increase cpu nb to 1.275 / 1.3v
drop ram to 1333 (when you put 240 fsb it will be 1600 again)
that's it...
    
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post #5 of 17
Thread Starter 
Thing im worried about is that in most bios u have the cpu-nb option to raise to improve nb freq, but mine just says (nb) and it is at 1.1v should i really raise that one to like poster said 1.275-1.3?


Ahh i read what prev poster said and i dont got the cpu-nb voltage option so i guess thats what i get for buying cheap ass mobo Guess i will be happy with the ram and cpu clock!
Edited by hyp3rtraxx - 10/8/11 at 4:54am
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post #6 of 17
Quote:
Originally Posted by yuksel911 View Post
and do not mess up with chipset voltage ^^
for nb overclocking don't touch nb voltage!
you must increase CPU/NB voltage... not the NB!
Thats actually 100% incorrect information. NB voltage should be kept below 1.4v, i try to stay below 1.35.
Currently my NB is at 3ghz with 1.31v.

CPU/NB voltage swhould ONLY be increased if you are having stability issues with OCing your RAM.

Quote:
Originally Posted by hyp3rtraxx View Post
Thing im worried about is that in most bios u have the cpu-nb option to raise to improve nb freq, but mine just says (nb) and it is at 1.1v should i really raise that one to like poster said 1.275-1.3?


Ahh i read what prev poster said and i dont got the cpu-nb voltage option so i guess thats what i get for buying cheap ass mobo Guess i will be happy with the ram and cpu clock!
If you will try a little longer i would be happy to walk you through OCing your RAM and/or CPU.

What is your stock RAM timings/freq and what are they now, and what is your stock CPU voltage and what is your CPu voltage (and clock) at now?
Edited by Superpuperdudle - 10/8/11 at 6:08am
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post #7 of 17
Thread Starter 
Ty for wanting to help me Superuper! Read my first post and check the link i provided for my ram timings, in first post i included like my cpu volt at 1.4375 and like.

Im still confused, is it Nb volatage in bios i need to raise to oc my northbridge freq?


Im am happy with my ram running at 1600mhz instead of its original 1333mhz, and well my cpu at 4ghz is nice but i want to increase the fsb by 5 to reach 4.1ghz instead. And well i want my northbridge frequency oc´d to about 2400-2600mhz that seems to be the best and amd cpu gets a kick out of nb freq oc.


I raised fsb by 5 and got to 4.1ghz stable for like 1 hour, gonna run prime over night to check. And also increased vcore to 1.5v it might be stable at lower vcore but for now i run it at that.
Edited by hyp3rtraxx - 10/8/11 at 9:43am
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post #8 of 17
Quote:
Originally Posted by Superpuperdudle View Post
CPU/NB voltage swhould ONLY be increased if you are having stability issues with OCing your RAM.
Not true, when you overclock CPU/NB (IMC/NB) freq past a certain point you need to bump CPU/NB voltage and CPU/NB should be overclocked as high as you can get it. For each 10% you increase the CPU/NB speed, memory bandwidth is increased 3-4% and latency is reduced 3-4%. Minimum for RAM is 3x the base speed so for example (800mhz base (1600Mhz memory) x 3) = 2400Mhz CPU-NB. When overclocking you need to close the gap on the CPU as well, so for 4GHZ (example) the minimum for stability is around 2600Mhz ~ (CPU-NB) (+/-200) = (4GHZ * 2 ) / 3.15. But again you will see big performance gains for every 10% you manage.
post #9 of 17
Quote:
Originally Posted by hyp3rtraxx View Post
Im still confused, is it Nb volatage in bios i need to raise to oc my northbridge freq
Nope, it's confusing I know.

CPU/NB is CPU/NorthBridge aka IMC (Integrated Memory Controller)
- this is what you want to bump for Northbridge frequency.

NB is Northbridge Chipset, should not need to touch.
post #10 of 17
Honestly you should get better perfomance out of your system with tighter timings and ram speed of 1333. If you can O.C. your ram to 1600, you should be able to tighten your timings quite a bit. My personal opinion, but has been proven with amd systems. NB frequency usualy tops out around 2800mhz for c3 revision chips. your CPU/NB voltage should end up around 1.35 or so, Your "NB" should stay below 1.4 as stated above. I Would download Maxxmemm 2.0 and do some benchmark tests to see where your mem. scores as you adjust.

EDIT: I was just looking at you validation. Why are you running 3 sticks of ram, you will be much more stable with just 2. Also i see you are running all multiplier to overclock. Another setting you should be adjusting is the CPU/VDDA voltage. When you use the multi, this voltage helps with stability tremendously.
Edited by Asustweaker - 10/8/11 at 8:26pm
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