The devices used 8MB or 16MB cartridges, onto which mapping data was loaded from the user's computer, at a chosen detail level (8MB covered the Atlanta Metropolitan Area at high detail, or a greater area at highway-level detail).
While driving down the Pacific Coast Highway I remembered going to a restaurant called Gladstone's as a kid.
It was available in 32MB and 128MB (Deluxe model) memory options which was used to store the user loaded maps; it had a base map featuring major highways.
with 3.7" 305x160 color touch screen and a Compact Flash Type II slot.
You may also contact Garmin authorised dealer for product support.
Before proceeding, please back up your waypoints and route data.