Probably the best thing I can do at this point is purchase a new cable that comes with drivers for Vista/7. I don't recall installing any drivers for it, but I may have. The cable itself is simply labeled USB PnP with no manufacturer listed, and it worked great under XP. I bought the cable several years ago now and can't locate the literature (maybe threw it out) and also can't find any CD that may have come with it. Regarding the manufacturer, I'm afraid I have no idea at this point. I LOVE my new DeLorme because it has the USB interface and is much easier to use. Yes, I did need to use the serial to USB cable because the Meridian has a serial interface. Can you identify which manufacturer's cable you have now? To the OP: there are a few manufacturers whose web sites do show Vista/7 drivers for their cables (e.g., Sabrent). It's not like he can plug a USB into his unit. If possible see if you can find a non serial USB cable to use.I think you will have a lot less headaches.Ĭonsidering that the old Meridian employs a serial interface, I rather imagine this is why the OP was using a serial/USB conversion cable to begin with.

Some people have gotten them to work while others give up after days of trying to get them to work.

If you look through the forums you will see horror stories about those serial to USB converters.

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