HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

                              Device Status Word

       The device status word is set to zero on entry and is set by
       the driver interrupt routine on return.

       │15│14-10│9│8│7-0│ STATUS word
        │    │   │ │  └──── Error return code (if bit 15=1)
        │    │   │ └────── Done bit, function completed
        │    │   └─────── Busy bit
        │    └────────── Reserved
        └───────────── Error flag bits 0-7 have error code

       Error return codes

       00  Write protect violation     01  Unknown unit
       02  Device not ready            03  Unknown command
       04  CRC error                   05  Bad drive request structure length
       06  Seek error                  07  Unknown media
       08  Sector not found            09  Printer out of paper
       0A  Write fault                 0B  Read fault
       0C  General failure             0D  Reserved
       0E  Reserved                    0F  Invalid disk change

Esc or Alt-X to exit device status Home/PgUp/PgDn/End ←↑↓→