IBM 3270 Manual page 256

INDSY052 DOS error for a system
extension
Abort, Fail, or Retry
INDSY
Explanation: This message can appear with
messages INDSY053 through INDSY060. A
system extension issued a DOS function call that
encountered an error. Respond to the associated
message first.
User Response:
• Type A to terminate the application through
an INT '23'X.
• Type F to fail the DOS function call that
caused the error. The program may continue
running.
• Type R to try the application again.
INDSY053 Attempt to write on
write-protected diskette in drive
x.
Explanation: You attempted to write on a
write-protected diskette.
User Response:
• Use a diskette that is not write-protected
• Remove the write-protected tab from your
diskette.
INDSY054 Drive x not ready
Explanation: The drive is not ready. This may
be due to:
• No diskette in the drive
• The door being open
• The diskette not being properly loaded
Appendix A. Messages A-71