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Old 12-27-2014, 11:10 AM   #161
PeterT
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Join Date: Nov 2007
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Quote:
Originally Posted by JSWolf View Post
Windows 8.1 is what I said. Windows 8.1 requires a more modern processor then Windows 8.
Huh? I don't think so... http://windows.microsoft.com/en-ca/w...m-requirements

As far as I can see they require the same

AHHH... ok... I see this now:
Quote:
Atomic changes
That issue is Windows 8.1’s sudden need for CMPXCHG16b support in the 64-bit version. CMPXCHG16b allows for atomic memory exchanges. While modern 64-bit processors support CMPXCHG16b, some older hardware does not—but the requirement wasn’t a must-have for the 64-bit version of Windows 8. Trying to upgrade to Windows 8.1 on newly non-compatible hardware results in a message that your “CPU does not support CompareExchange 128.”
http://www.pcworld.com/article/20586...windows-8.html
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