Even though revision A of the DI-524 is listed on Nintendo-¦s website as incompatible with the Nintendo DS and it-¦s Wi-Fi service, it is possible to make it work.
Step 1: Log into the web management of your DI-524. By default the IP address is 192.168.0.1, the username is admin, and there is no password.
Step 2: Click on the Advanced tab and then click on Performance on the lefthand side.
Step 3: Change TX Rates from Auto to 54. Make sure Mode Setting is set to Mix Mode.
Step 4: Click on Apply. Your Nintendo DS should now be able to connect to the DI-524 wirelessly and make a connection to their Wi-Fi gaming service.