I just purchased the WY chip from onxmap. I have a garmin 60csx unit. when I first plugged the chip in it worked great. however, I replaced the batteries and turned the unit back on and now cannot view the map. actually I have 2 60csx units and neither one will recognize the chip. my computer displays the chip fine using basecamp. it shows all the detail on the chip regarding public and private. I've contacted onxmap and they are sending me another chip. in jacking with the gps I have since got it to recognize the chip once more, but when I turned the unit back on it didn't recognize the chip. these gps units work fine other than with this WY chip. any ideas?