Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
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INVLPG Instruction
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 00001111     00000001     mod,reg,r/m     disp (2)
───────────────────────┬───────────────────────────┬───────────────────────
 INVLPG                │ invlpg  pointer[bx]       │ 88/86 ──
                       │ invlpg  es:entry          │   286 ──
                       │                           │   386 ──
                       │                           │   486 12*
───────────────────────┴───────────────────────────┴───────────────────────
  * 11 clocks if address is not mapped by any TLB entry.
                                    -♦-