INT 2F - Jim Harper's CD-ROM redirector SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer.	A host adapter connects the SCSI bus to the computer's own bus.  See also ESDI, IDE. driver - INSTALLATION CHECK
	AX = 7F00h
Return: AL = FFh if installed
SeeAlso: AX=7F01h"Harper",AX=7F02h"Harper",AX=7F03h"Harper"