Int 15 Fn 52  C - Ibm/ms Int 13 Extensions - Media Eject Intercept         [d]

   AH = 52h
   DL = drive number

Return: CF clear if OK to eject media
       AH = 00h
   CF set if ejection disallowed
       AH = error code (B1h,B3h) (see #0166)

Note:  called by the IBM/MS INT 13 Extensions driver/BIOS when an ejection
     request is made

See Also: INT 13/AH=46h"INT 13 Extensions"