HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

          INT 21,1C - Get Allocation Table Info for Specified Drive


       AH = 1C
       DL = drive number (0 for default, 1 = A:, Z: = 26)


       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 specified drive
       - DS:BX can be used to determine if drive is RAMDISK or removable
       - see  INT 21,1B

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