Compatibility: 3.0+ See: INT 2fH 4300H (is HIMEM.SYS installed?) INT 2fH 4310H (get XMM entry address) XMS Functions (services available via XMM entry address) See Also: Extended Memory Specification (XMS Overview) Expanded Memory Specification (EMS Overview) DOS Protected Mode Interface (DPMI API Functions) INT 2fH: Multiplex Interrupt DOS Functions -♦-