Int 2F Fn AF13  - Windos V2.11 - Set Assign Value                          [O]

   AX = AF13h
   BL = number of drive to remap (00h = A:)
   DL = number of drive to be accessed via drive number BL

Return: nothing
Desc:  remap a drive letter

Note:  the remapping can be canceled by specifying DL=BL

See Also: AX=AF00h"WinDOS",AX=AF14h"WinDOS",AX=0601h