6 4 . ▁▁ 8 0 2 8 6 ▁Op code ▁ 0 F 0 5 . ▁The ▁instruction ▁reads ▁data ▁from ▁addresses ▁ 0 0 8 0 0 – 0 0 8 6 6 , ▁whatever ▁the ▁content ▁of ▁the ▁segment ▁registers . ▁▁ ▁The ▁ 8 0 2 8 6 ▁LO AD ALL ▁instruction ▁can ▁not ▁be ▁used ▁to ▁switch ▁from ▁protected ▁back ▁to ▁real ▁mode ▁( it ▁can ' t ▁clear ▁the ▁P E ▁bit ▁in ▁the ▁MS W ). ▁However , ▁use ▁of ▁the ▁LO AD ALL ▁instruction ▁can ▁avoid ▁the ▁need ▁to ▁switch ▁to ▁protected ▁mode ▁altogether . ▁▁ 8 0 3 8 6 ▁Op code ▁ 0 F 0 7 . ▁The ▁instruction ▁loads ▁data ▁from ▁address ▁ES : ED I . ▁It ▁actually ▁uses ▁ES , ▁not ▁the ▁ES ▁des criptor . ▁ ▁See ▁also ▁ ▁Con current ▁D OS ▁ 2 8 6 ▁ ▁F lex OS ▁ 2 8 6 ▁ ▁IBM ▁ 4 6 8 0 ▁OS ▁ ▁References ▁ ▁Further ▁reading ▁▁▁▁ ▁( xx vi + 7 3 8 + iv ▁pages , ▁ 3 . 5 " - f lo ppy ▁) ▁Err ata : ▁▁▁▁▁▁▁▁▁▁ ▁Category : X 8 6 ▁instructions <0x0A> </s> ▁Pierre ▁des ▁Ma ize aux , ▁also ▁sp elled ▁Des ma ize aux ▁( c . ▁ 1 6 6 6 ▁or ▁ 1 6 7 3 J une ▁ 1 7 4 5 ), ▁was ▁a ▁French ▁H ug uen ot ▁writer ▁ex iled ▁in ▁London