Here are direct download links of 2011.10 Taiwan Topo maps in NT format. Got a hint from Caty's post. Thanks.

Code:
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Type1 is essentially the same as Type2 except they have different installer MapSource and BaseCamp included respectively.

MapID is 2378 which is >= 2200. Therefore, the map is not only locked but also locked by GMA on newer devices and software.

Both OF and NT Topo maps are actually regular topo/contour map plus routable City Navigator Taiwan 2011.11. The NT version also has DEM added.