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EXTENDED MEMORY SPECIFICATION (XMS) v2+ - INSTALLATION CHECK

AX = 4300h

Return:
AL = 80h XMS driver installed
AL <> 80h no driver

Notes: XMS gives access to extended memory and noncontiguous/nonEMS memory above 640K. This installation check DOES NOT follow the format used by other software

See Also: AX=4310h - AX=1687h - INT 67/AH=40h - @xxxxh:xxx

Index:
Installation check;XMS version 2+

Category: Memory Management - Int 2Fh - E

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