What versions are you using for both devices??
For the HW69xx series we have specialized version that should work,
checkout the directory http://www.reperion.com/newclient and browse to 2005 version, then to HW69xx
For the other device you could try to use the version : Only_if_other_versions_dont_work.cab
Set your Reperion client to use the default program COMport, and point your device GPS settings to your Hardware port (in GPS settings when available)
Both devices are reported to work. We will get you on track !
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