Thanks Neil,
Your info is really helpful and clearly explained. When I come to do the map update I'll copy the GarminDevice.xml to the SD card then use in a card reader (I find the SD card read/writes 5 times the speed in the card reader than when it's in the Nuvi) to do the update then as you describe copy the files that need to be on the Nuvi.
Big thanks.



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but it's my pleasure and i'm happy to have helped. Be sure to put the xml in a root folder named Garmin. Unless you use a USB1 port it's quite true that it's always quicker to write in a card reader than to the card in the unit itself as you've noticed. Read speed is the same regardless of the speed rating of the card, only write speed changes though.

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