Bitfields for 386MAX system configuration flags:
Bit(s)	Description	)
 1	ROM compressed???
 3	???
 5	386MAX loaded into high memory
 6	Microchannel bus
 7	Weitek math coprocessor detected
 9	??? (also generates INT 01 on ??? and INT 03 on ???)
 11	PC/XT (thus only single 8259 interrupt controller present, DMA only
		in 1st megabyte, etc)
 13	LMLTOP= specified
 14	enable A20 control???
 15	???