INT 13 - Future Domain SCSI CONTROLLER - GET POINTER TO SCSI DISK INFO BLOCK

	AH = 1Bh
	DL = hard drive ID
Return: CF set on error
	    AH = status code (see #00234 at AH=01h)
	CF clear if successful
	    ES:BX -> SCSI disk information block (see #00252)
Notes:	also sets a non-resettable flag which prevents some controller messages
	  from being displayed
	the TMC-950 does not support any Future Domain BIOS calls; instead,
	  it provides a full CAM implementation (see INT 4F/AX=8100h)
SeeAlso: AH=18h"SCSI",AH=1Ch"SCSI"