Int 62 Fn FE  - Bw-tcp - Ethdrv.sys - Map EMS Page Frame                   [N]

   AH = FEh
   AL = direction
       00h map in driver's memory block
       01h map out driver's memory block

Return: CF clear if successful
   CF set on error
       AL = error code

Note:  this function is supported by at least the SLIP and ODI versions of
     ETHDEV.SYS

See Also: INT 21/AH=3Fh"BW-TCP",INT 62"BW-TCP",INT 63"BW-TCP",INT 64/AH=FEh