MEM 0040h:0090h - DISKETTE DRIVE 0 MEDIA STATE                                  
Size:	BYTE
SeeAlso: MEM 0040h:0091h


Bitfields for diskette drive media state:
Bit(s)	Description	(Table M0030)
 7-6	data rate
	00=500kbps, 01=300kbps, 10=250kbps, 11=1Mbps
 5	double stepping required (e.g. 360kB in 1.2MB)
 4	media type established
 3	drive capable of supporting 4MB media
 2-0	on exit from BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly., contains
	000 trying 360kB in 360kB
	001 trying 360kB in 1.2MB
	010 trying 1.2MB in 1.2MB
	011 360kB in 360kB established
	100 360kB in 1.2MB established
	101 1.2MB in 1.2MB established
	110 reserved
	111 all other formats/drives
SeeAlso: #M0031,#M0032