INT 2F - EXTENDED MEMORY SPECIFICATION (XMSsee Extended Memory Specification) v2+ - INSTALLATION CHECK AX = 4300h Return: AL = 80h XMSsee Extended Memory Specification driver installed AL <> 80h no driver Notes: XMSsee Extended Memory Specification gives access to extended memory and noncontiguous/nonEMS memory above 640K this installation check DOES NOT follow the format used by other software SeeAlso: AX=4310h,AX=1687h,INT 67/AH=40h,@xxxxh:xxxxh"PMM" Index: installation check;XMSsee Extended Memory Specification version 2+