INT 2F - LAN HiJack - LHR - ENABLE FUNCTIONS
        AX = 7AC8h
        BL = function(s) to enable (see below)
SeeAlso: AX=7AC1h,AX=7AC9h,AX=7ACFh

Bitfields for function(s) to enable/disable:
 bit 0  ???
 bit 1  remote keyboard enabled
 bit 2  support remote's mouse
 bits 3-7 unused

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