Global Descriptor Table: Difference between revisions
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* '''Sz:''' Size bit. If '''0''' the selector defines 16 bit protected mode. If '''1''' it defines 32 bit protected mode. You can have both 16 bit and 32 bit selectors at once.
Not shown in the picture is the 'L' bit (bit 21, next to 'Sz') which is used for x86-64 mode. See
== See also ==
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