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Athlon II Overclocking Guide (beginner friendly) - Page 2

post #11 of 356
Quote:
Originally Posted by el gappo;13319146 
Reference clock, ratio clock, HTT, just not FSB thumb.gif HT link replaced FSB.

Okay, that's fair enough. smile.gif
post #12 of 356
Thread Starter 
Quote:
Originally Posted by Willhemmens;13316959 
I'm pretty sure it is FSB not reference clock.
Also, are you going to add anything about CPU-NB overclocking?
Quote:
Originally Posted by el gappo;13319146 
Reference clock, ratio clock, HTT, just not FSB thumb.gif HT link replaced FSB.

Oh, I must have missed that post.

There is no Front Side Bus in AMD system for quite a while, and nothing actually runs at 200Mhz there, so.. Ref clock smile.gif

(Isn't HTT the official abbreviation for Hyper Threading Technology?)
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post #13 of 356
Yup, not sure where it came from, HyperTransport Technology? It's just used to abbreviate the HTREF. Hey another name for it rolleyes.gif

You were bang on with ref clock redface.gif
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post #14 of 356
Thread Starter 
Maybe get pinned? rolleyes.gif How does that work anyway?
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post #15 of 356
I must really thank you for this guide. After a year (yes a year, of course i didnt search much but gave up) i truly understand how to overclock. And out of a sudden my cpu can overclock like i want it to. Thanks alot!biggrin.gif I've got a question. Is the NB supposed to be 2000 for any or every computer?
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post #16 of 356
Thread Starter 
Quote:
Originally Posted by wizek View Post

I must really thank you for this guide. After a year (yes a year, of course i didnt search much but gave up) i truly understand how to overclock. And out of a sudden my cpu can overclock like i want it to. Thanks alot!biggrin.gif I've got a question. Is the NB supposed to be 2000 for any or every computer?

Hmm you got me with this one. For every modern configuration that I can think of, it was always 2000 stock. I don't think anything runs it higher by default. And about older platforms - I just don't remember.
Here's a quote on Phenom I overclocking from http://www.innetproductions.com/guides/amd_phenom_overclocking_guide.php
Quote:
One other important addition to Phenom is that we now have a North bridge speed (NB Frequency). The NB speed can be set as well as the HT link speed. It is important to note that the NB speed must be equal to or greater than the HT link speed. It is best to leave them the same. Just like with the memory speed, the NB and HT link speeds can be shown as either a multiplier or as a frequency in the BIOS. 2000mhz, 2ghz, and 10x all correspond to the same speed, where 10x is a multiplier (10 x 200mhz = 2000mhz). It is the preference of the motherboard maker how it is displayed. Available speeds usually range from 1000mhz to 2000mhz.

For Athlon 64 I believe the CPU_nb is locked to the CPU speed. And here's a quote on that as well: http://www.overclockers.com/forums/showthread.php?t=655218
Quote:
If you're talking about the K8's there is no "cpuNB" on them. The Crossbar, which has virtually the same function as the cpuNB on an Athlon II, runs at core speed ...

But on all modern platforms - yes, 2000 is stock. There is a particular bottleneck from the CPU_nb on the AM3 platform, that is why raising it yields such performance improvement. Without that bottleneck, raising the CPU_nb is not much of a booster.
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post #17 of 356
Thanks for the guide:thumb:

Going to pick up one of the cheap MC's on the Phenom 830 and overclock it on a cheap build. Haven't done much work with AMD's but looks like pretty straight forward. Love oc'ing so should be fun!
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post #18 of 356
Quote:
Originally Posted by ronnin426850 View Post

Hmm you got me with this one. For every modern configuration that I can think of, it was always 2000 stock. I don't think anything runs it higher by default. And about older platforms - I just don't remember.
Here's a quote on Phenom I overclocking from http://www.innetproductions.com/guides/amd_phenom_overclocking_guide.php
Quote:
One other important addition to Phenom is that we now have a North bridge speed (NB Frequency). The NB speed can be set as well as the HT link speed. It is important to note that the NB speed must be equal to or greater than the HT link speed. It is best to leave them the same. Just like with the memory speed, the NB and HT link speeds can be shown as either a multiplier or as a frequency in the BIOS. 2000mhz, 2ghz, and 10x all correspond to the same speed, where 10x is a multiplier (10 x 200mhz = 2000mhz). It is the preference of the motherboard maker how it is displayed. Available speeds usually range from 1000mhz to 2000mhz.
For Athlon 64 I believe the CPU_nb is locked to the CPU speed. And here's a quote on that as well: http://www.overclockers.com/forums/showthread.php?t=655218
Quote:
If you're talking about the K8's there is no "cpuNB" on them. The Crossbar, which has virtually the same function as the cpuNB on an Athlon II, runs at core speed ...
But on all modern platforms - yes, 2000 is stock. There is a particular bottleneck from the CPU_nb on the AM3 platform, that is why raising it yields such performance improvement. Without that bottleneck, raising the CPU_nb is not much of a booster.

Wow thanks for all the information. Really helps. Another question, I'm wondering if my voltage (1.42) is too high.. can i go higher to bring it from 3.6ghz to 3.8++?

Also sometimes when my computer reboots it won't boot unless i do a reset. Currently i put it at 3.6ghz at 1.42v. 240 fsb multiplier x15. NB at 8 and ram 533.
Edited by wizek - 11/26/11 at 7:40am
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post #19 of 356
Thread Starter 
Quote:
Originally Posted by wizek View Post

Wow thanks for all the information. Really helps. Another question, I'm wondering if my voltage (1.42) is too high.. can i go higher to bring it from 3.6ghz to 3.8++?
Also sometimes when my computer reboots it won't boot unless i do a reset. Currently i put it at 3.6ghz at 1.42v. 240 fsb multiplier x15. NB at 8 and ram 533.

Every chip is different. However on average, 1.42v is too high for 3.6Ghz. I'm running 4.0 @1.44v. Looks like you just got a not so cooperative chip. redface.gif If you have booting issues too, then you may have more OCing luck with another mobo.
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post #20 of 356
specool.gif Nice guide.
    
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