If the placeholder card in the DS Lite were all plastic, a similar buildup could accumulate on the DS's electrical contacts and interfere with it reading real cards. If the slot filler card had only phenolic circuit board material, however, it would cause wear to the card slot bus, and would not mate smoothly with the copper card slot fingers. Insert the Official GBA Development Flash Cart in to Slot 2 on the Nintendo DS / DS Lite. Keep in mind if you have a Rev 3 GBA Development Flash Cart then you need to ensure the write protect is disabled, this is done by moving this switch to the right: Now load FAS1, the same as you would any other homebrew application.
Ds Slot 2 Flash Cartoon Network
NDS / DS Lite or DSi and DSi XL Compatible cards
Which type of card should you pick?
Ds Slot 2 Flash Cartoon
Cards compatible with DS Lite will be cheaper and DSi versions a little more expensive. Get the DSi version only if you realy need it
Ds Slot 2 Flash Cartas
If You plan on upgrading to DSi or even XL in the near future I would suggest an (i) compatible R4 DS Flash Card, but consider that You will most likely want to have a card for the old NDS too. So if you have a DS original or DS Lite your second card could be the cheapest R4 DS SDHC. Best DS Flash Cards