E.2.2.3 encoding of the segment register (sreg) fi, Table e5. encoding of reg field when w field is p, Table e6. encoding of the segment register (sreg) – Intel 386 User Manual

E.2.2.3 encoding of the segment register (sreg) fi, Table e5. encoding of reg field when w field is p, Table e6. encoding of the segment register (sreg) | Intel 386 User Manual | Page 662 / 691