Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
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.286P Instructions Enabled
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     ARPL     LGDT     LMSW     SGDT     SMSW     VERW
     CLTS     LIDT     LSL      SIDT     STR
     LAR      LLDT     LTR      SLDT     VERR
 
     The FSETPM coprocessor instruction is enabled when both .286P and
     .287 (or greater) are in effect.
 
     Also enables: 80186 Instructions
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