Category: disk I/O enhancements

INT 13 - XBIOS - COMMAND

	AX = E000h
	CX = 0
	DL = drive number (80h,81h,82h,83h)
	ES:BX = pointer to XBIOS Command Block (see #00297)
Return: CF clear if successful
	    CX = 1234h XBIOS Signature
	CF set on error
Program: XBIOS is a driver in some versions of Disk Manager that is
	  loaded from the disk MBR, replacing the ROM BIOS disk support
	  e.g. adding LBA mode support, and read/write multiple.
SeeAlso: AH=F9h"SWBIOS"