Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Int 13h Function 00h
 ◄Detail►                                    ◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
 
  Interrupt:   13h     Function:   00h
 
  Title:       Reset Disk System
 
  Description:                                          [PC] [AT] [PS/2]
 
     Resets the disk controller, recalibrates its attached drives (the
     read/write arm is moved to cylinder 0), and prepares for disk I/O.
 
     Input                              Output
 
     AH = 00h                           If function successful
     DL = Drive                           Carry flag: clear
        = 00h-7Fh floppy disk             AH = 00h
        = 80h-FFh fixed disk
                                        If function unsuccessful
                                          Carry flag: set
                                          AH = Status
                                          See: Int 13h Function 01h
                                    -♦-