| Base IOS | Typical Slot | Purpose in a d2x Setup | | :--- | :--- | :--- | | 57 | 249 | Best compatibility for newer games and USB loading. | | 56 | 250 | Fallback for older games that have issues with base 57. | | 38 | 251 | For legacy support and specific homebrew applications. |
This designates the file as a WAD for an IOS . The number 38 identifies which specific official IOS from Nintendo is being used as the base. Different games and applications require different IOS versions. IOS38 was a common choice as it was used by accessories like the "Wii Speak" peripheral, making it a stable and well-understood foundation for homebrew. Think of it as selecting a specific engine block to start building a custom car. Ios38-64-v4123.wad
While IOS 56 and 57 are popular for modern loaders, IOS38 is still required for maximum compatibility, particularly for titles like Animal Crossing: City Folk . How to Get and Use IOS38-64-v4123.wad | Base IOS | Typical Slot | Purpose