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post #11 of 26
Thread Starter 
Quote:
Originally Posted by KinguBah View Post

Thats the thing about overclocking everything with fsb at once, it's much harder to know what is causing your instability...
Thats why you should first do multiplier to find your limit, then CPU/NB, and then start experimenting with different fsb mixes and ram overclocking.

hey,
i know that it wouldnt be handy to just tweak settings without knowing what it would do, so i read a well, "basic" phenom ii overclocking guide (pretty good one i think. (link to guide: http://www.overclockers.com/step-guide-overclock-amd-phenom/ )
and following that guide (with a little of my own twist to it) my first step in to overclocking was searching the theoretical max, in my case i found that this is 4,4 GHz with fsb 200, and multi 22.
next i found the max fsb, witch came out to be 290 (found this by raising 10 at a time and keeping cpu freq. at 3.3 GHz with multi)
so now i was experimenting a little bit with a combination, thought that it would be more powerful. and it is, but on the other hand if it doesnt go right you dont know what caused the error, like you say. i completely agree with that. but i think it probably was my RAM, becouse i looked up the error code thing on google and it was a RAM related error i just discovered.
stil thanks for the suggestion smile.gif.
Quote:
Originally Posted by evilferret View Post

Hmm, why no NB overclock?

would that make a more stable environment do you think?
Edited by Sh4dowH4ze - 5/6/12 at 10:53am
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post #12 of 26
Ah didn't know that, looks like you're doing a good job then. thumb.gif

Getting the CPU/NB to 2800mhz or more is really easy and should have a big performance increase. Much more than the RAM OC. keep ht link at 2000mhz.

If you can really get that thing stable at 4.25ghz you are going to have a really great setup!
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post #13 of 26
Overclocking the NB on the thuban is important. It has very good results towards RAM performance.

I was able to get my 1333Mhz memory to run at 1920Mhz stable and increasing the NB frequency to 3120 had more performance gain than the 587Mhz memory overclock did.

Check it out here.

292
post #14 of 26
Thread Starter 
Quote:
Originally Posted by KinguBah View Post

Ah didn't know that, looks like you're doing a good job then. thumb.gif
Getting the CPU/NB to 2800mhz or more is really easy and should have a big performance increase. Much more than the RAM OC. keep ht link at 2000mhz.
If you can really get that thing stable at 4.25ghz you are going to have a really great setup!

yeah... my bad, should actually update the first post with this information tongue.gif but thanks for the tip, gonna try in 2 minutes

[edit]
Quote:
Originally Posted by Shaded War View Post

Overclocking the NB on the thuban is important. It has very good results towards RAM performance.
I was able to get my 1333Mhz memory to run at 1920Mhz stable and increasing the NB frequency to 3120 had more performance gain than the 587Mhz memory overclock did.
Check it out here.
292

so i should focus more on nb-cpu freq?, what can you say about htt?
Edited by Sh4dowH4ze - 5/6/12 at 11:09am
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post #15 of 26
According to AMD, your NB frequency should be 3x the DRAM frequency on the Phenom II.
By default it's set to 2000 because the Phenom II support DDR 1333 (666.5Mhz) x3 = 1999.5 NB.

Since your running your memory at DDR 2000 (1000Mhz), you multiply 1000Mhz x 3 which is 3000.

So 3000Mhz on the NB is what you should be trying for with that memory. You will see a good increase in performance.



Try running MaxxMem to see for yourself before/after NB overclock and you should see how important it is.

Hope this helps you. thumb.gif
post #16 of 26
Thread Starter 
Quote:
Originally Posted by Shaded War View Post

According to AMD, your NB frequency should be 3x the DRAM frequency on the Phenom II.
By default it's set to 2000 because the Phenom II support DDR 1333 (666.5Mhz) x3 = 1999.5 NB.
Since your running your memory at DDR 2000 (1000Mhz), you multiply 1000Mhz x 3 which is 3000.
So 3000Mhz on the NB is what you should be trying for with that memory. You will see a good increase in performance.
Try running MaxxMem to see for yourself before/after NB overclock and you should see how important it is.
Hope this helps you. thumb.gif

thanks!, i see it now that the nb actually helps a lot.

pics:

first score:
440

2nd score:
440

3rd score:
440

4rth score:
440

note the time, and then i realised that i was actually thinking wrong tongue.gif
also note the bums from 2500 to 3000, i dont think that i should do 2750 if this:
Quote:
According to AMD, your NB frequency should be 3x the DRAM frequency on the Phenom II.
By default it's set to 2000 because the Phenom II support DDR 1333 (666.5Mhz) x3 = 1999.5 NB.

Since your running your memory at DDR 2000 (1000Mhz), you multiply 1000Mhz x 3 which is 3000.

So 3000Mhz on the NB is what you should be trying for with that memory. You will see a good increase in performance.



Try running MaxxMem to see for yourself before/after NB overclock and you should see how important it is.

Hope this helps you. thumb.gif

is right tongue.gif

thanks for all the suggestions!
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post #17 of 26
Don't set the CPU-NB voltage to high or you can have problems. Mine is running at 3000MHz with 1.325V.
post #18 of 26
Quote:
Originally Posted by Sh4dowH4ze View Post

thanks!, i see it now that the nb actually helps a lot. pics: (Click to show)
first score:
440
4rth score:
440

Thats a good improvement. Try taking that NB up another notch and see if it's stable there. 3000Mhz is your target feequency on that memory but you can take it even higher if you can maintain stability. I'm thinking you may be able to do 3100~3200.

Also, can you fill out your system stats like mine below? Click the Rigbillder tab on the upper right corner.
post #19 of 26
i would go with 4ghz core 3ghz nb and ram right around 1866 to keep away the bsod's
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post #20 of 26
Thread Starter 
Quote:
Originally Posted by Shaded War View Post

Thats a good improvement. Try taking that NB up another notch and see if it's stable there. 3000Mhz is your target feequency on that memory but you can take it even higher if you can maintain stability. I'm thinking you may be able to do 3100~3200.
Also, can you fill out your system stats like mine below? Click the Rigbillder tab on the upper right corner.

i filled out my system stats like you and probable evryone on these forums tongue.gif

i'm not shure about 3200 mhz for my nb, but i wil try. my goal was to get 4250 mhz from my cpu, but i cant get it stable. i actually cant say that becouse i didnt put enough time and efford in it, thats the actual reason why i turned to these awesome forums here, becouse i am lazy to find it out all on ym own, and you guys got the knowledge tongue.gif

thaks a lot for your help so far!
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