## ALP Programming Guide and Reference

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### Protected Mode Exceptions

Faults generated by illegal addressing of the memory operand that contains the selector; the selector is not loaded into any segment register, and no faults attributable to the selector operand are generated.

#GP(0) for an illegal memory operand effective address in the CS, DS, ES, FS, or GS segments; #SS(0) for an illegal address in the SS segment; #PF( fault-code) for a page fault; #AC for unaligned memory reference if the current privilege level is 3.