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. There are now devices (or at least more of them) that provide native OS X drivers, so this document is now slightly redundant.Īfter purchasing the Targus USB to Serial (PA088) Adapter, I found that the driver included was for Windows only.If you look through the forums you will see horror stories about those serial to USB converters. After searching the Targus website, I found out that this device is only compatible with Windows. This adapter is made for newer hardware that doesn’t come with serial ports. It took some trial and error, but here’s how I managed to get it working under OS X.įirst I downloaded the Magic Control driver from the MCT website: There are several adapters (or converters) on the market, the Targus PA088 Adapter was the only one I could find at a nearby shopping center. Thanks to Mitch for finding the file, you can download a copy here. Please note, this probably won’t work with newer Apple hardware, it was originally performed on a PPC PowerBook a few years ago. I then changed the permissions to 755 on all the files under (I compared this to the other drivers) the driver folder: Then I replaced the following 2 ID’s, by those found in System Profiler (under USB): Vi /System/Library/Extensions/USBSerialDriver.kext/Contents/ist Then I edited the plist file installed by the driver: Kextload: /System/Library/Extensions/USBSerialDriver.kext loaded successfully Sudo kextload /System/Library/Extensions/USBSerialDriver.kext System/Library/Extensions/USBSerialDriver.kext
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