Tham khảo tài liệu 'handbook phần cứng pu part 108', công nghệ thông tin, phần cứng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | stylus for input an on-screen keyboard partially covers the touch-sensitive area while using this mode allowing for typed and written messages. The DS s main menu also features an alarm clock and the ability to set preferences for boot priority booting to games when inserted or always booting to the main menu Game Boy Advance game screen usage top or bottom and user information name date of birth favorite color time etc. edit Download Play Main article DS Download Play With selected titles such as Mario Kart DS New Super Mario Bros. and Meteos it is possible to play multiplayer games with other Nintendo DS users using only one game card. The distance for this to be effective is about 60 feet. The Nintendo DS unit downloads the necessary data from another unit running the game. There is also a multiplayer Wi-Fi feature. At certain hotspots or Wi-Fi enabled areas you can hook up and play with DS owners around the world. Also many stores that sell DS games have DS Download Stations where a player can download demos of games. Due to the game being stored solely in the console s RAM 4 Megabytes the downloaded data is only retained until the Nintendo DS is switched off. edit Compatibility Nintendo DS games are on small flat game cards as opposed to the larger cartridges used by the Game Boy line and other previous Nintendo systems. This is due to the fact the DS uses flash cards while the Game Boy series uses circuit boards. The Nintendo DS is compatible with Game Boy Advance GBA cartridges the smaller Nintendo DS cartridges fit into Slot 1 on the top of the system while Game Boy Advance games fit into Slot 2 on the bottom of the system. The Nintendo DS is not compatible with games for the Game Boy Color and the original Game Boy due to a slightly different form factor and the absence of the Zilog Z80-like processor used in these systems. The handheld does not have a port for the Game Boy Advance Link Cable so multiplayer or GameCube-Game Boy Advance link-up modes are .