Abbreviation of
Enhanced Expanded Memory Specification, an enhanced version of the original
EMS, which enables
DOS applications to use more than 1MB (
megabyte) of
memory. EEMS was developed by AST, Quadram, and Ashton-Tate to improve the performance of the original version of EMS. Subsequently, Lotus,
Intel, and
Microsoft developed the
LIM 4.0 version of EMS, which
supports both the original EMS and EEMS.