Int 2F Fn 7AFF  - Novell Netware - Tbmi V1.1+, Shell V3.01d - Installatio  [N]

   AX = 7AFFh
   BX = 0001h
   CX = 4E65h ("Ne")
   DX = 7457h ("tW")

Return: AL = FFh if installed
       CX = ???  (8000h)
       SI = ??? (or -> ???) (0002h and 0007h seen)
       ES:DI -> IPX far call handler
       ES:DX -> 6-byte data area ???

Note:  this function is also supported by IPXODI, but IPXODI v2.12 does not
     return ES:DX

See Also: AX=7AFFh/BX=0000h