vems communication problem

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  • miljan
    S2Forum Buff
    • Dec 2008
    • 49
    • Country: Bosnia and Herzegovina

    #1

    vems communication problem

    has a problem with communications between the laptop and vems. I use to communicate rs232 usb cable and driver that I found on vems.hu. Communication is excellent when the laptop is plugged into the charger. When I turn off the charger same moment communication is canceled. I use fv 1.1.95 and 1.1.94 cfg. a new asus laptop that has a Win7. whether the problem may be in vems communication settings or settings of the Prolific driver? Could it be some settings in Win7? please help me to solve this problem
    http://akcrankshaft.com/forum/showth...tid=129&page=1
  • Jamo
    Retired OG Mod
    • Mar 2004
    • 21750
    • Country: United Kingdom

    #2
    Change the settings on the ports so the OS cannot turn them off to power save

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    • miljan
      S2Forum Buff
      • Dec 2008
      • 49
      • Country: Bosnia and Herzegovina

      #3
      is not problem in that. communication works when engine is turned off, but when is the charger of laptop is turned off and engine is running then the communication stops.
      http://akcrankshaft.com/forum/showth...tid=129&page=1

      Comment

      • Ruffiano
        S2Forum Extremist
        • Sep 2007
        • 1458
        • Home: Italy Current: United States

        #4
        i had the same problem with mine, it turned out to be a bad usb to serial converter.

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        • miljan
          S2Forum Buff
          • Dec 2008
          • 49
          • Country: Bosnia and Herzegovina

          #5
          Originally posted by Ruffiano
          i had the same problem with mine, it turned out to be a bad usb to serial converter.
          You're right. I changed the cable and communications work. I do not know how best to set the parameters to vems tune and the device manager, because communication is often breaks.
          http://akcrankshaft.com/forum/showth...tid=129&page=1

          Comment

          • Ruffiano
            S2Forum Extremist
            • Sep 2007
            • 1458
            • Home: Italy Current: United States

            #6
            I ended up buying a laptop with a serial connection, figured it is the most reliable way of doing it.

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            • madpugger
              S2Forum Extremist
              • Sep 2007
              • 1901
              • Country: Scotland

              #7
              I am sure there must be a RS232 to wireless solution out there somewhere...

              Le Mans 2012
              Nurburgring 700
              1995 S2 Avant

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              • Jamo
                Retired OG Mod
                • Mar 2004
                • 21750
                • Country: United Kingdom

                #8
                Buy an easysync cable 110% problem free

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                • QuattroFever
                  S2Forum Extremist
                  • May 2006
                  • 1360
                  • Country: United Kingdom

                  #9
                  Originally posted by Jamo
                  Buy an easysync cable 110% problem free
                  Volcano ABY coupe

                  Ant

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                  • cooperquattro
                    S2Forum Maniac
                    • Jan 2011
                    • 815
                    • Country: United Kingdom

                    #10
                    Originally posted by Ruffiano
                    I ended up buying a laptop with a serial connection, figured it is the most reliable way of doing it.
                    i run serial from day one .usb not good for noise

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                    • Jamo
                      Retired OG Mod
                      • Mar 2004
                      • 21750
                      • Country: United Kingdom

                      #11
                      See above post, most USB use a crap generic driver the easy sync has given me zero issues on 4 laptops as recommend by The vems uk form admin rob as its way superior
                      Modern laptops don't come with com ports
                      Rather pay £20 odd for a good cable than buy a new laptop!

                      Comment

                      • prj
                        S2Forum Zealot
                        • Mar 2010
                        • 6308
                        • Country: Estonia

                        #12
                        Originally posted by cooperquattro
                        usb not good for noise
                        http://tuner.ee - http://www.facebook.com/tuner.ee

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                        • cooperquattro
                          S2Forum Maniac
                          • Jan 2011
                          • 815
                          • Country: United Kingdom

                          #13
                          Originally posted by prj
                          ????what does this meen???

                          Comment

                          • Jamo
                            Retired OG Mod
                            • Mar 2004
                            • 21750
                            • Country: United Kingdom

                            #14
                            Unfortunately the statement USB is no good because of noise doesn't at first glance make any sense

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