sorry but my kit work well in 2gig SD, check my post, i dont have problement with map without Mexico o0n 2gig SD, the bug is with full maps 2.11gig on bigger SD, i'll download actualy the Bam Bam's kit IMG for one other test
You never mention which Garmin device you're testing/trying/running with the full NA IMG on a SDcard >2GB. There are certain Garmin devices that won't work with SDcard larger than 2GB. FYI.
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