Int 7A  - Novell Netware - Spx Driver - Installation Check                 [N]

   BX = 0010h
   AL = 00h

Return: AL = status
       00h if SPX not installed
       F0h if IPX not installed
       FFh if SPX loaded
       BH = SPX major version
       BL = SPX minor version
       CX = maximum SPX connections
       DX = SPX connections available

Notes: this function is supported by Advanced NetWare 2.1+
   this interrupt is used for IPX/SPX access in NetWare versions through
     2.0a; in later versions, you should use INT 2F/AX=7A00h to get an
     entry point even though INT 7A still exists.  For both INT 7A and
     the FAR entry point, BX contains the function number
   IPX is sometimes called internally with BX bit 15 set, which causes the
     entry point handler to bypass some checks and an optional call to
     the IPX Windows support handler set with INT 2F/AX=7AFFh/BX=0000h
     (see #2612)

See Also: BX=0015h