Format of CCB:
Offset	Size	Description	)
 00h	BYTE	command code (see #01463)
 01h	BYTE	flags
		bits 4-0: vary by function
		bits 7-5: logical unit number
 02h	BYTE	"adr_1"
 03h	BYTE	"adr_0"
 04h	BYTE	length
 05h	BYTE	control
	...
 06h/0Ah 14 BYTEs buffer for sense data (see #01464)
SeeAlso: #01454