Format of PCMCIA I/O Window Characteristics table:
Offset	Size	Description	)
 00h	WORD	window capabilities (see #00677)
 02h	WORD	minimum base address in bytes
 04h	WORD	maximum base address in bytes
 06h	WORD	minimum window size in bytes
 08h	WORD	maximum window size in bytes
 0Ah	WORD	window size granularity (bytes)