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How can I zero the virtual COM-port counter for USB cable

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  • How can I zero the virtual COM-port counter for USB cable

    I have a problem with connecting a mobile phone Sony Ericsson K300i through USB cable.

    I have a WinXP Pro system (SP2). 2 USB ports are set on a motherboard, and two more, at the computer front panel. USB Cable KQ-UBA is connected to one of the front panel USB ports.
    At the every next connection of the cable, a virtual COM-port number is increased by 1. With the mobile phone being connected after that, the system cannot find it on any such COM-port, except for COM3.

    How can I zero a virtual COM-port counter or set a port number to COM3?

  • #2
    Re: How can I zero the virtual COM-port counter for USB cable

    What happens when you connect the cable to one of the rear ports? The front ports are most likely running off a hub and may be causing this problem.
    1 1 was a racehorse.
    2 2 was 1 2.
    1 1 1 1 race 1 day,
    2 2 1 1 2

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    • #3
      Re: How can I zero the virtual COM-port counter for USB cable

      Originally posted by biggles77 View Post
      What happens when you connect the cable to one of the rear ports? The front ports are most likely running off a hub and may be causing this problem.
      Thank you for joining to this discussion.

      Nothing new has happened with connecting the cable to a rear port. Since my last message, I has learned how to free virtual COM-ports, and I can map the cable now to any virtual COM-port to my liking.
      Anyway, the real problem is that Sony Ericsson PC Suite v2.10.38 cannot find my mobile, no matter which COM-port is used. ANY SUGGESTIONS?

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      • #4
        Re: How can I zero the virtual COM-port counter for USB cable

        do you have any software firewalls in place?

        if so, try disabling it for test sake...

        i hd problems with trends firewall, and norton as well...

        just a possibility...

        and btw, please share about the resetting the COMs for reference and just so i can file it in the 'might need' area of my brain.

        thanks.
        Last edited by James Haynes; 11th September 2007, 08:28.
        its easier to beg forgiveness than ask permission.
        Give karma where karma is due...

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        • #5
          Re: How can I zero the virtual COM-port counter for USB cable

          Originally posted by James Haynes View Post
          do you have any software firewalls in place?

          if so, try disabling it for test sake...

          i hd problems with trends firewall, and norton as well...

          just a possibility...

          and btw, please share about the resetting the COMs for reference and just so i can file it in the 'might need' area of my brain.

          thanks.
          Re Sharing the resetting the COMs.
          Select "My Computer"->Properties->Hardware->Device Manager.
          Then select "Ports" and required COM-port.
          Go to "Properties", select "Port Parameters", then "Additional".
          Find "COM-port parameters" control.
          Here you are! Choose any port you know is free, and don't pay attention to what it says.

          In this way I changed COM11 for COM3, for example.

          Good luck!

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