HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                 INT 21,1B - Get Allocation Table Information

       AH = 1B

       on return:
       AL = sectors per cluster
       CX = bytes per sector
       DX = clusters on disk
       DS:BX = pointer to Media Descriptor Byte found in FAT

       - retrieves information on capacity and format of default drive
       - DS:BX can be used to determine if drive is RAMDISK or removable
       - see  INT 21,1C

Esc or Alt-X to exit int 21,1b Home/PgUp/PgDn/End ←↑↓→
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