Format of Output Device structure [array]:
Offset	Size	Description	)
 00h 20 BYTEs	ASCIZ name of the output device
		(end of list if first char is FFh)
 14h	WORD	apparently always FFFFh
 16h	WORD	0000h if output device not available
		else first I/O port for the output device
 18h	WORD	second I/O port for the output device (for example
		  if it is stereo)
		000oh if only one port used or device is not available
 1Ah  7 BYTEs	???
SeeAlso: #02960,#02962