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AMD 5000+ OC with ASUS M2N-SLI Deluxe

post #1 of 9
Thread Starter 
Hey all! I just built myself a new rig and I've been curious in learning about overclocking. I've browsed through this forum and other's such as Tom's Hardware about overclocking the AMD 5000+ Black Edition. However, I kinda want to make sure my overclocked CPU and RAM are in stable condition. Only overclocked in my BIOS, changing the CPU multiplier to 15x and bumping up my volt for the RAM to 2.1V and the CPU runs between 37-39 idle and 54-56 at full load. I have also performed the Orthos Blend test and have received no errors for my current speeds (CPU @ 3.0 and RAM @ 4-4-4-12). That means it's stable right?

But when I try to play games like Company of Heroes or Need for Speed Carbon, the games would crash to my desktop 15 min in. Is that a result of my system being unstable?

And I'm really quite clueless when people talk about HT, FSB, or all that memory timing stuff. Can anyone direct me to a good link that explains those terms and how it affects my performance?

And here are a couple screenshots of my CPU-Z.





Thanks!
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post #2 of 9
What is your vcore? You might need to bump up the vcore by just a bit to make it stable. Passing Orthos is usually a good sign, but if you're getting some crashes, it might mean that it is not completely stable. Have you tried running Prime95 for several hours? Orthos is great for quickly checking the stability of new settings but Prime95 is much more thorough. If it can run for over 8 hours, the system is very stable.

Here is a great, if not best, OC guide.
    
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post #3 of 9
Thread Starter 
According to PC Probe, my vcore fluctuates from 1.37 to 1.40V. And nope, I haven't checked out Prime95 yet. I'll download and install that. So if I can run Prime95 for at least 8 hours with my current settings, then it should be pretty stable?
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post #4 of 9
I'd not push the full load past the low 50c range.
Have you bumped the South Bridge voltage a notch.
(or depending on the BIOS config it may be the chip set)

The HT is based on the CPU speed and by default multiplied by 5 so ...
5x200=1000
Most good MB, like your can and will run fine and stable with an HT as high as the 1300 range.
So generally speaking keep it between 800isn and the low 1300ish range by adjusting the multiplier if needed. It only comes into play when you up the CPU bus speed a lot.
    
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post #5 of 9
Trc 26
Trfc 127.5
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by The Duke View Post
I'd not push the full load past the low 50c range.
Have you bumped the South Bridge voltage a notch.
(or depending on the BIOS config it may be the chip set)

The HT is based on the CPU speed and by default multiplied by 5 so ...
5x200=1000
Most good MB, like your can and will run fine and stable with an HT as high as the 1300 range.
So generally speaking keep it between 800isn and the low 1300ish range by adjusting the multiplier if needed. It only comes into play when you up the CPU bus speed a lot.
How much should I bump the voltage up to? And to overclock HT, would I just bump up the CPU frequency to 260?

And jameskelsey.. do I apply those settings to my currently overclocked RAM? Doesn't that underclock my RAM?
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post #7 of 9
Quote:
Originally Posted by nitrotang View Post
How much should I bump the voltage up to? And to overclock HT, would I just bump up the CPU frequency to 260?

And jameskelsey.. do I apply those settings to my currently overclocked RAM? Doesn't that underclock my RAM?
Nitro, how long did you run Orthos? Orthos is actually Prime 95 but in a GUI format that is optimized to recognized dual-cores natively. I typically run Orthos for at least 5-6hrs at priority 9 (blend test).
Perhaps maybe you could try bumping the voltage up 0.5 or so to see if that makes a difference in stability. Have you had a chance to find the limits of each component (processor, motherboard and memory)? This should provide a nice baseline for you. Here is the guide if you are interested: http://www.overclock.net/faqs/31782-...pu-memory.html.
It's recommended that you incrementally raise your HTT up 5-10mhz. Do so but with caution. Those settings that James suggested are ram subtimings. The Brisbane core is particularly picking when it comes to overclocking and memory settings.

Good luck
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post #8 of 9
Make sure that you turn off the cool n' quiet in the bios, it can cause instability when it tries to lower voltage/frequency.

Also make sure to run memtest too, maybe your ram is not 100% stable.

Try cpu voltage setting around 1.35-1.4, anything more might run it too hot.
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post #9 of 9
Quote:
Originally Posted by nitrotang View Post
And jameskelsey.. do I apply those settings to my currently overclocked RAM? Doesn't that underclock my RAM?
Those are sub timings that usually help with stability and don't hurt the performance that much and won't change the Mhz speed.
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