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[Schmooz]

When is MSI ever going to release a BIOS making us able to unlock cores on the X2 and X3 AMD chips? At the moment MSI seems to be the ONLY major motherboard manufacturer who doesn't allow the unlocking of the extra cores. Why? I'm about ready to go back to my old motherboard maker pretty quick. Makes no sense that MSI doesn't allow this feature especially on the high end boards, since all other companies do. Give us a BIOS for unlocking cores please!!

[Michael]

there you go:
http://forum.coolaler.com/showthread.php?t=207961

Keep in mind that we do not give any warrantee that it will work nor will we help if your CPU does not support it.

[Schmooz]

Thanks much.

[Halley]

there you go:
http://forum.coolaler.com/showthread.php?t=207961

Keep in mind that we do not give any warrantee that it will work nor will we help if your CPU does not support it.

Version 1.8 of MSI DKA 790GX Platinum lets me unlock my 550be. Vista Task Manager showed 4 cores. We thank MSI for that. However, on my dual boot machine, Win 7 Task Manager showed only 2 cores.

That discrepancies were confirmed by CPU-Z V. 1.52 on both Vista and Win 7.

Would MSI fix that after the official launch of Win 7?

[DevMan77]

there you go:
http://forum.coolaler.com/showthread.php?t=207961

Keep in mind that we do not give any warrantee that it will work nor will we help if your CPU does not support it.

I've tried all BIOS revs. 1.36, 1.4, 1.5, 1.6... and now I'm with 1.5b4.  but when I'm trying to unlock the second core of mine Sempron 140, the BIOS correct recognize it as Athlon II X2 4400e, but the windows (XP & Vista) can't boot... it is stopped while loading \WINDOWS\system32\acpitabl.dat

With BIOS 1.6  I was able to boot, but there was only 1 core in the Task Manager :-(

Keep in mind that the same CPU is running @ 2 cores great with my other MB - ASRock M3A790GXH/128M !?!

Please advise.

[Panther57]

With or without a Bios to allow unlocking not all CPU's unlock. I have a 720BE and it doesn't unlock, it fails. The ability to unlock is like a lottery. If you have a CPU that doesn't unlock, it won't on any board, plus many who have unlocked have stability problems. Those buying less expensive CPU's hoping to get more for thier money don't always get the results. It is better to buy a processor and use it as designed. Some sold CPU's are actual multi core CPU's that had addl. core turned off for the purpose of sales. Those unlock great if you are fortunate to get one of those. I read an article that stated that MSI turned off cores to get more 720BE's to market. 4 core made to operate as three. My information is not from MSI but from several articles.
Good Luck

[Stu]

I read an article that stated that MSI turned off cores to get more 720BE's to market.

Well your article is misinformed as MSI don't make CPUs, AMD does.

[DaLoona]

I've tried all BIOS revs. 1.36, 1.4, 1.5, 1.6... and now I'm with 1.5b4.  but when I'm trying to unlock the second core of mine Sempron 140, the BIOS correct recognize it as Athlon II X2 4400e, but the windows (XP & Vista) can't boot... it is stopped while loading \WINDOWS\system32\acpitabl.dat

With BIOS 1.6  I was able to boot, but there was only 1 core in the Task Manager :-(

Keep in mind that the same CPU is running @ 2 cores great with my other MB - ASRock M3A790GXH/128M !?!

Please advise.

What do you expect. As i said in another post, they lock it for a reason. Mostly they are flawed cpu's that is why 1 core is turned off. And that it works on another board doesnt automaticly say its stable or that it doesnt error once in a while. You bought a 1 core cpu that works fine with the one core, so please dont complain that the second doesnt work. If you want a dual that works fine with both cores, buy one, they dont cost much anymore these days, especially AMD's .
And dont blame the board/bios or MSI because that isnt the problem here.