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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

 ◄Detail►                                    ◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
 
  Interrupt:   15h     Function:   91h
 
  Title:       Device Post
 
  Description:                                               [AT] [PS/2]
 
     Invoked by the ROM BIOS fixed disk, floppy disk, network, and
     keyboard drivers to signal that I/O is complete and/or the device
     is ready.
 
     Input                                        Output
 
     AH = 91h                                     AH = 00h
     AL = Device type
        = 00h-7Fh Serially reusable devices
        = 80h-BFh Reentrant devices
     ES:BX = segment:offset of request block
             for device types 80h-BFh
                                    -♦-