Bitfields for PCMCIA capabilities:
Bit(s)	Description	)
 7-6	reserved (0)
 5	status change interrupt is hardware shareable
 4	status change interrupt is software shareable
 3	status change interrupt
 2	data bus width is per-socket rather than per-window
 1	power management is per-adapter rather than per-socket
 0	indicators are per-adapter rather than per-socket