INT 2F U - Novell NetWare Lite v1.0+ - SERVER - INSTALLATION CHECK
        AX = D880h
Return: AL = FFh if installed
            DX = version number (0100h for v1.0, 0101h for v1.1)
            BX = data segment of resident copy
            CL = current state (00h SERVER is disabled, 01h SERVER is active)
            ES:DI -> private API entry point (see below)
            SI = ??? (offset of configuration info?)
SeeAlso: AX=7A00h,AX=D800h,INT 2A/AX=D852h

Call SERVER API entry point with:
        BX = function
            0000h ???
                ???
                Return: ???
                Note: closes open files by calling INT 21/AH=3Eh
            0001h get connection information
                DX = connection number (0001h-max connections)
                ES:DI -> 28-byte buffer for connection information
                Return: CF clear if successful
                            ES:DI buffer filled
                        CF set on error
                            AX = FFFFh
            other
                Return: CF set
                        AX = 0001h (invalid function)

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