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2FDD--BX7844

Category: disk I/O enhancements

INT 2F - xDISK v3.32+ - INSTALLATION CHECK

	AH = DDh
	BX = 7844h ('xD')
	CX = 4953h ('IS')
	DX = 4B3Fh ('K?')
	AL = desired drive (01h-1Ah) or 00h to check for xDISK on any drive
	ES:DI -> 25-byte data buffer (see #03099)
Return: AX = DDFFh if installed (on specified drive if AL nonzero on entry)
	   BX = 87BBh
	   DX = B4C0h
	   ES:DI buffer filled
	CX,CF destroyed
SeeAlso: INT 21/AX=4404h"xDISK",INT 21/AX=4405h"xDISK"


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