Answer by
shiny807 (99)
It is an installed driver.. Windows XP, Windows 2000, Windows NT, and Windows 98 is the product designed in the following operation system. Windows 98/ME/NT/2000/XP is additional. It contains diagnostics used by the technicians for troubleshooting the PS2 keyboards. In effect, they are series in steps of processing towards the cause of symptom. diagnostic is process of elimination.