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DELL GX620 LPT PORT AND COM PORT DRIVER ISSUE
Sir i have dell gx620 desktop optiplex whenever i use to LPT or COM port for programming purpose its shown an error that I/O SYSTEM SERVICE IS PRESENT BUT THE DRIVER CANNOT BE CONNECTED TO please solve my problem thanks in advance
speedstep
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July 25th, 2016 08:00
You cant address Real mode ports in a DOS BOX while running windows. This system uses legacy ports so there are no drivers needed for MSDOS all the way to windows 10.