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Bulldozer Overclocking Guide (Performance Scaling Charts, max OCs)LN2 Results coming! - Page 14

post #131 of 228
I've been looking at your performance findings and I'm looking to get my RAM to the rated speed of 2133Mhz, Shift has advised me that I up the CPU Host Clock Control to 266. Would this work with the settings you have posted please? Thanks very much.

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post #132 of 228
Your motherboard should allow you to change the RAM multiplier to reach 2133. You shouldn't have to move the base clock from 200.
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post #133 of 228
Quote:
Originally Posted by 2advanced View Post

Your motherboard should allow you to change the RAM multiplier to reach 2133. You shouldn't have to move the base clock from 200.

Then that's almost the complete opposite of what he told me in my earlier thread *looks confused*
Quote:
Originally Posted by Shift. View Post

These are the timings you should be adjusting under DRAM Configuration:

Also, you won't be able to get the ram running at 2133MHz unless you raise the CPU Host Clock Control (also in the picture)
With it set at 200MHz (stock) the highest your ram will run is at 1600MHz (x8.00 Multiplier).
So for 2133MHz you're going to have to raise your CPU Host Clock to 266MHz and set the x8.00 multi. 266 x 8 = 2133MHz.
But keep in mind, this will also overclock your processor and will probably require you to raise the CPU voltage as well. I would suggest that you read a few overclocking guides before you attempt this, and leave the memory running at 1600MHz in the meantime, as there are quite a few other settings (other multipliers and voltages) that may need adjusting as well.
Let me know if you have any questions. redface.gif

Any thoughts? I haven't jumped this far into overclocking before and I'm still trying to get my head round how best it should be done. I have no prior experience to fall back on which leaves me with little choice but to ask a butt-load of questions until I am confident in what I'm doing, I hope this isn't a problem?

Thanks for the help

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post #134 of 228
In the process of working through the guide and I am able to post and boot after increasing the CPU Clock Ratio however I can't take my memory to the x10.66 multiplier, only the step prior giving me 1866MHz rather than the 2133MHz I want. Also some other options aren't available to me, my NB voltage is set to 1.1v and can't be increased.

Spadge
Edited by Spadge - 12/30/12 at 8:10am
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post #135 of 228
Thread Starter 
just increase the host clock then, but you will also increase your CPU clock too.
    
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post #136 of 228
Quote:
Originally Posted by Spadge View Post

In the process of working through the guide and I am able to post and boot after increasing the CPU Clock Ratio however I can't take my memory to the x10.66 multiplier, only the step prior giving me 1866MHz rather than the 2133MHz I want. Also some other options aren't available to me, my NB voltage is set to 1.1v and can't be increased.
Spadge

What if you enable D.O.C.P?
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post #137 of 228
I haven't tried that yet, I'm new to overclocking hence I'm asking lots of questions as I really don't want to mess up my PC. Thanks for your time.

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post #138 of 228
Thank you very much for this guide! I had been running my 8150 at 4.3GHz with 233HTT at 1.39 vcore for over a year. I had spent alot of time trying to get over 4.3 but I couldn't get it stable on Prime95 no matter how much vCore I pumped into it.

Earlier tonight I stumbled across your guide and noticed the performance correlation with higher HTTs, so I decided to mirror your 4.5GHz at 250HTT settings and go from there. Several hours later, I have a 1 hour Prime95 stable 4.5GHz overclock at 1.412 vcore.


Something to note: my ASUS Sabertooth 990FX Rev1 board seems to have a little trouble now keeping the base clock (HTT) in check. When posting, it tends to overshoot a good amount, resulting in the CPU frequency being as much as 100MHz higher than normal. In order to compensate, I run the clock 1 MHz lower than desired, so things seem to be fine. It did not do this initially, I've noticed it more over the past two months or so.
post #139 of 228
I'm trying to get through the first post, but the red text is IMPOSSIBLE to see in the pictures. Is that stuff even useful/helpful at all?
post #140 of 228
Hello,

My HW:

CPU: AMD FX-8120

Mobo: GA-990XA-UD3

Cooling: Prolimatech Genesis (Max tem 58C)

RAM: http://www.kingston.com/en/memory/search/?partid=khx1600c9d3k2/8g


When i want to set HTT / FSB :205-210 I get error in prime95 "Blend" test. I turn off all future like: C1E, K8 Cool& Quiet, C6
If I set "Memory clock to 6" again i have error ;/





Plz, help me. And sry with my english.
Edited by daimonass - 2/1/13 at 2:40am
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