Int 2A Fn 01  - Network (microsoft,lantastic) - Execute Netbios Request,n  [N]

   AH = 01h
   ES:BX -> NCB (see INT 5C)

Return: AL = NetBIOS error code
   AH = 00h if no error
      = 01h on error

See Also: AH=04h,AX=0500h,INT 5B,INT 5C"NetBIOS"