Bitfields for DPMI capabilities:
Bit(s)	Description	)
 0	paged accessed/dirty supported (see AX=0506h,AX=0507h)
 1	exceptions restartability supported
 2	device mapping supported (see AX=0508h)
 3	conventional memory mapping supported (see AX=0509h)
 4	demand zero-fill supported
 5	write-protect client capability supported
 6	write-protect host capability supported
 7-15	reserved