Bitfields for Card Services Configuration Port attributes:
Bit(s)	Description	)
 0	shared I/O ports
 1	"CS_FirstCommonUsedCard"
 2	force alias access
 3	=1 sixteen-bit I/O
	=0 eight-bit I/O
 7-4	reserved (0)
SeeAlso: #00704,#00708,#00710,#00717