Bitfields for PCMCIA window attributes:
Bit(s)	Description	)
 0	memory-mapped rather than I/O-mapped
 1	attribute memory rather than common (memory-mapped)
	EISA mapped (I/O)
 2	enabled
 3	16-data path
 4	subdivided into pages (memory-mapped only)
 5	non-specific access slot enable (EISA-mapped only)
 6-7	reserved (0)