Bitfields for 386MAX bit flags 1:
Bit(s)	Description	)
 1	???
 2	allow A20 to be enabled/disabled???
 3	??? (cleared by calling INT 67 functions or starting MSWindows)
 4	high RAM present???
 5	386MAX in AUTO mode
 6	386MAX enabled
 7	386MAX is providing EMS services
 8	??? (affects API function 08h)
 9	A20 gate closed (A20 disabled) (see INT 15/AX=2402h)
 10	Weitek support enabled
 11	???
 12	ROMs not shadowed???
 13	QPMS has been used
 14	???
 15	???