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