Thread: GPSmap 278 - internal memory specs?

Originally Posted by Doc_Koordinate

does anyone know the exact specs of the usable internal memory of the 278?
Garmin says it's a total of 2 GB. After crawling many forums I only found that by try & error some users have managed to load maps up to 1.85 GB.
Should be a bit more, eh...?
Some little space (16MB?) seems to be reserved for the basemap. Is it possible to exchange this basemap against a newer one of e.g. a nuvi?
Is the memory space for GPS data (Tracks, WPTs, etc.) located on the same chip or (together with the firmware?) stored seperated?
thanks for all information

2 GB ~= 1.86 GiB

The makers of storage media counts in SI decimal bytes prefix (10^3) while most file systems count file sizes with IEC binary bytes prefix (2^10). Microsoft Windows counts file sizes as GiB but shows as GB.

2 000 000 000 / 1 024 / 1 024 / 1 024 ~= 1.86

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