INT 11 - Columbia Data Products Standard Device Level Protocol (SDLP) 1.6

	SI = 6A6Ah
	AH = command (see #00227)
	AL = SCSI Addressing (see #00228)
Return: CF clear if successful
	    DI = 6A6Ah if AH=01h on entry (maybe for all functions???)
	    AH = ??? for command 01h
	CF set on error
	    AL = error code
SeeAlso: INT 21/AX=4402h"ASPI"