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Athlon II X2 220 OC help? - Page 4

post #31 of 41
Thread Starter 
I'm not even sure that my motherboard actually has the proper stuff for unlocking. All it has is "unlock CPU core", which I'm almost certain does it wrong.
post #32 of 41
Quote:
Originally Posted by kinkinkijkin View Post

I'm not even sure that my motherboard actually has the proper stuff for unlocking. All it has is "unlock CPU core", which I'm almost certain does it wrong.
Message this user now. He unlocked his chip and if yours can unlock he will definitely be able to help you.

http://www.overclock.net/u/227529/punkx-1
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post #33 of 41
Ok this is the problem. Pretty simple fix really. Your RAM timings are set to auto. Every time you lower your RAM multiplier it attempts to automatically tighten timings, causing instability when RAM frequency is increased again via base clock. You need to keep all of your timings loose as if you were actually going for DDR3-1600 even though you set your RAM to 800, 1066, or whatever.

Now instead of playing the timing guessing game. the easy way to do this is to get all of your clocks back to stock, everything auto, restart, then set your RAM to the highest frequency that it will boot. Try 1600, if not then 1333. Restart. Now go into AMD Overdrive and pull up the timings page. Write all of these down, even the secondary and tertiary timings. Restart. Now manually set all of your timings to the numbers that you wrote down. If you are unsure of any, just leave it pretty loose for now. Restart. Now drop your RAM frequency back down to 800 or 1066 or whatever and get back to tuning your overclocks. Make sure you followed those instructions exactly including when to restart. See if that helps smile.gif
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post #34 of 41
Quote:
Originally Posted by damric View Post

Ok this is the problem. Pretty simple fix really. Your RAM timings are set to auto. Every time you lower your RAM multiplier it attempts to automatically tighten timings, causing instability when RAM frequency is increased again via base clock. You need to keep all of your timings loose as if you were actually going for DDR3-1600 even though you set your RAM to 800, 1066, or whatever.

Now instead of playing the timing guessing game. the easy way to do this is to get all of your clocks back to stock, everything auto, restart, then set your RAM to the highest frequency that it will boot. Try 1600, if not then 1333. Restart. Now go into AMD Overdrive and pull up the timings page. Write all of these down, even the secondary and tertiary timings. Restart. Now manually set all of your timings to the numbers that you wrote down. If you are unsure of any, just leave it pretty loose for now. Restart. Now drop your RAM frequency back down to 800 or 1066 or whatever and get back to tuning your overclocks. Make sure you followed those instructions exactly including when to restart. See if that helps smile.gif

That's what I call a quick guide wink.gif. OP keep ram frequency low cause as you increase the FSB the ram frequency also increases. Keep the Cpu nb and ht link low as well. First get your cpu clocks up and then try for the rest. Its easy smile.gif
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post #35 of 41
Thread Starter 
It's not going to 265 stably, even after that. But, it DID stay on for longer. Any more ideas?
Edited by kinkinkijkin - 4/5/14 at 1:44pm
post #36 of 41
damric probably nailed it. I forgot all about that. Been doing timings manually now for so long that I think it's become a complacency, we forget WHY we were doing timings manually after doing it that way for years, lol.

I think it's worth further exploration to eliminate the RAM as the source of the instability. Have you given it an extra push of voltage for good measure (~1.60-1.70V)?


My old 770 chipset biostar board would do reference clocks all the way up to 300mhz with 1 bump to the chipset voltage. (IIRC it was in 0.04V steps, so I set it to 1.18V instead of 1.14V or something like that).
Edited by mdocod - 4/5/14 at 2:07pm
     
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post #37 of 41
Quote:
Originally Posted by kinkinkijkin View Post

It's not going to 265 stably, even after that. But, it DID stay on for longer. Any more ideas?

At this time, as long as you have lowered your RAM, HT Link, and NB freq to keep them in check, and locked PCIE at 100, you can start raising voltages. CPU, RAM, CPU-NB, Chipset NB, ect. This is where you need to decide what is acceptable for you. I'm in the same philosophy as Jason and I push much more voltage than even the typical user on this forum. With that cooler and it only being an Athlon II x2, I personally wouldn't be shy of pushing 1.65v on the core, 1.5 on the CPU-NB, 1.3 on the Chipset NB, and 1,7v on the RAM. Don't start with those tongue.gif
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post #38 of 41
Thread Starter 
Nothing worked.

Nothing.

Bring the bus to 265, get BSoDs like "CRITICAL_STRUCTURE_CORRUPTION".

The only thing I didn't try was increasing the SB voltage, but I don't see how that would help.
post #39 of 41
I have personally pushed 1.6v for 4.1Ghz on my Athlon II x2 250 for over 3 hours in p95 stable. As long as temps are low, 1.6v is fine for me. Later after getting a stable OC, then you can enable cool and quiet. Later if you do think of an upgrade and your on a tight budget the Athlon X4 760K, same CPU as Damric has would do you good.
Personally I always set the Ram timings to Manual, no matter what. Even if I run it at the SPD I'll still set the it manually tongue.gif. I hate AUTO!
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post #40 of 41
Quote:
Originally Posted by jason387 View Post

Okay. Yeah after checking, a few Athlon II x2 220's did unlock. Have you tried unlocking one core? If your L3 cache doesn't unlock means your chip isn't a deneb chip. The deneb chips unlocked, stable or not but they unlocked. It isn't true that Phenom II chips overclock better than Athlon ones. In fact my friend, an OCN user here, has an Athlon II x3 445 and it unlocked into a quad core with L3 cache. But it overclocked further as an X3 than as an X4. The difference between Phenom II's and Athlon II's is mainly L3 cache.
FSB limit is more of a motherboard limitation than a cpu one. If you could get 3.8Ghz it would be pretty good.

No not every Denab based chip unlocks L3 cache.You can get an Athlon with Denab cores and no L3 cache,like this one


http://valid.canardpc.com/show_oc.php?id=2204588
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