INT 2F U - PCIBM PC Tools v7-8 DATAMON, v9+ DPROTECT	- INSTALLATION CHECK
	AX = 6284h
	BX = 0000h
	CX = 0000h
Return: AX = segment of resident code
	BX = 5555h
	CX = 5555h
Note:	also supported by DOS 6 UNDELETE which is licensed from PCIBM PC Tools
SeeAlso: AX=6284h/BX=0001h,INT 16/AX=FFA3h/BX=0000h