It is possible to play downloaded video game ROMs on your Nintendo DSi by way of a R4i SDHC adaptor. The R4i adaptor is the same size as DSi game cartridges and allows you to fit into it a MicroSD card, which contains the actual games themselves. If you haven't ever tried to download ROM games onto your Nintendo DSi before, do not feel overwhelmed. Following a few steps, you can start playing all of your old favourite games on your new favourite handheld gaming system.
- Skill level:
- Moderately Easy
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Things you need
- R4i SDHC adaptor
- MicroSD card
- USB MicroSD card adaptor
Download and install the necessary R4 software from the link in the "Resources" section.
Place the MicroSD card into the USB adaptor and then plug the adaptor into an available USB port on your computer. Insert the adaptor into a port without device drivers installed on it already to eliminate the possibility of an IRQ conflict.
Select "Open folder to view files" when prompted by the Windows Autoplay feature by clicking your mouse on that option.
Hold down the right button on your mouse and drag it over the downloaded R4 software files to highlight them, then use the mouse to right-click on them and select "Copy."
Go to "Start," "My Computer" and open the MicroSD card folder by double-clicking on its name from that screen, then right-click inside the folder and select "Paste."
Go to a trusted ROM video game site and download the games that you wish to play on your DSi. Sites like NDS ROMS, 3ROMS, and NDS Universe have an extensive collection of games for you to download.
Copy the ROM files to the MicroSD card as described in steps 4 and 5. Copy any other types of media files, such as pictures and videos, at this time as well to the same location.
Take the MicroSD card out of the USB adaptor, place it into the R4i card and place the R4 card into the cartridge slot on the DSi.
Power on your Nintendo DSi and select the game that you wish to play.
Tips and warnings
- Not all ROM games are legal for download and may cause legal action if acquired improperly.
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