• How i know witch game is stored in flash: The first line is FLASHED-> Game name.vb

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• Max file name length: 34 characters (excluding the extension).

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• Max micro SD size: 32GB.

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• Max files in GAME folder: 100, more files are not showed but still stored in micro SD.

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• No sub folder support: you must add .vb only in "GAMES" folder.

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• Where are save games stored? In the SAVE folder. The file will be written on the next power cycle after saving.

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• There are save files in the SAVE folder for games that don’t support saving: Yes the MrCART does not know which games support saving, so it treats all games as if they do.

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• Use MrCART internal battery?: No

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Known issues

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• Roms lower than 256Kb: You have one of the first MrCARTs without firmware updated. RetroOnyx ones can flash all power of 2 sizes.

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• 32Mbit games loaded by FLASHED->: Original MrCART and Batch 1 and 2 from RetroOnyx, cause crashes if you load the game using FLASHED->, fresh flash works correctly. Your cart need a firmware update to fix it.

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• 3D Tetris save game: Original MrCART and Batch 1 and 2 from RetroOnyx affected, it can not save the game.
  This is an HW issue...