How-to on taking ownership of your new UEFI equipped PC

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f0dder:
My single-core 64-bit is nx-capable, but I can find NOWHERE in the BIOS how to enable it. Wonder, indeed.-Edvard (February 19, 2013, 07:25 PM)
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Funny thing is (if memory serves me right): NX is enabled by default after a CPU reset - you have to actively disable it in software (after which it cannot be software-enabled without a CPU reset).

So why do BIOSes do this? I'm guessing two possible reasons: 1) marketing worms that wanted to use NX-enabled as an upsell. 2) buggy BIOS SMMw. 3) (least likely) known hardware implementation bug.

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