| osPfsAllocateFile | ... | Creates a new game note. |
| osPfsDeleteFile | ... | Deletes a game note. |
| osPfsFindFile | ... | Searches for the specified game note. |
| osPfsChecker | ... | Checks and repairs the Controller Pak's file system. |
| osPfsFileState | ... | Gets information concerning the specified game note. |
| osPfsNumFiles | ... | Gets the number of notes used in the Controller Pak. |
| osPfsFreeBlocks | ... | Get the size of free space (available number of bytes) in the Controller Pak. |
| osPfsIsPlug | ... | Detects the presence of a Controller Pak. |
| osPfsReSizeFile | ... | Adjusts size of note to specified length. |
| osPfsReadWriteFile | ... | Reads/writes data to the specified game note. |
| osPfsSetLabel | ... | Writes to the Controller Pak label. |
| osPfsGetLabel | ... | Reads the Controller Pak label. |
| osMotorInit | ... | Initializes the Rumble Pak |
| osMotorStart | ... | Starts the Rumble Pak. |
| osMotorStop | ... | Stops the Rumble Pak. |
| osPfsInitPak | ... | Initializes the Controller Pak's file handle. |
| osPfsRepairId | ... | Repairs the Controller Pak's ID region. |