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[SOLVED] 4th core unstable (AMD x2 560 BE)

post #1 of 28
Thread Starter 
Changed to new mobo and now my system often crash during 4 core even on default setting. Disabled 4th core, able to overclock to 3990MHz using asus auto tuning and able to pass OCCT cpu test for 1 hour without error.

Guys, any suggestion to enabled the forth core? I seen a guy using same cpu and mobo with mine, however he using dominator gt 4gb and cooler master 750 gold psu and stable after unlock to 4 core. Should I change my psu too?

I'll attach my asus auto tuning setting screenshot later.
Edited by diaBoliQu3 - 9/17/11 at 12:06pm
post #2 of 28
I wouldn't bother. If you have an X2 even getting a third core is pretty darn good, all things considered. And getting 3.99 GHz on the three working cores? Props.
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post #3 of 28
If the 4th core is stable at stock, then there is "nothing" wrong with it.

I guess your CPU just can't handle that high of an OC with all 4 cores.

It was an X2 ohhh... riiiight... like said above.
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post #4 of 28
People need to understand it's not guaranteed unlock, some cores actually are defective ones.
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post #5 of 28
Thread Starter 
I'll think I just stick to 3 core. What make me weird is my last mobo, unlocking all 4 core are stable. Playing game 4-5 hour, no crash. However this new mobo, I can't even to run a stress test <3sec. LOL. Just waiting for BD I guess.
post #6 of 28
Thread Starter 

Here they are, the stable TriCore:-

CPUz
Attachment 224471

Asus AI Suite
Attachment 224472

CPU:OCCT test for one hour, no error
Attachment 224473


post #7 of 28
You're using auto tuning. You should be setting everything manually if you want results.
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post #8 of 28
Thread Starter 
Try some manual oc and playing with prime95, run blend test with 3 core and fail after 1 hour with stock and auto setting. Tried with core 1, 2, 3=fail. core 1, 2, 4=fail. Both after 1 hour and around less 30 minutes. However, my cpu pass small fft test for around 8-9 hour at setting 4.0ghz with core 1, 2, 3 (20x200), 1.404 vcore. I had been stuck with prime about a month *sad* and i often get rounding error and freeze during blend test. Can refer my rig at my sig.
Edited by diaBoliQu3 - 9/10/11 at 11:04pm
post #9 of 28
i saw threads saying bulldozer is not going to release this month ^_^
will be delayed again. who knows maybe bulldozer cant even beat i3 2100
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post #10 of 28
Shoo troll lol.

Good work on the 3.9! I love seeing unlocked chips pull numbers, saving some serious bucks!
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