On my navigation:

DeviceName=TomTom GO 920
DeviceVersionHW=GO 920
BootLoaderVersion=55279
ApplicationVersionVersionNumber=8398
ApplicationVersion=1917
CurrentMap=Europe_TRUCK_870_3421
CurrentMapVersion=870.3421

On my SD Card:

DeviceName=TomTom GO 920
DeviceVersionHW=GO 920
BootLoaderVersion=55279
ApplicationVersionVersionNumber=9205
ApplicationVersion=547817.1
CurrentMap=Western_and_Central_Europe_2GB_875_3613
CurrentMapVersion=875.3613