INT 13 - Bootable CD-ROM - INITIATE DISK EMULATION

	AH = 4Ah
	AL = 00h
	DS:SI -> specification packet (see #00281)
Return: CF clear if successful
	CF set on error (drive will not be in emulation mode)
	AX = return codes
SeeAlso: AH=48h,AX=4B00h,AH=4Ch,AH=4Dh