SD Filesystem: Difference between revisions
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No titleIDs are stored in any directories/filenames here. | No titleIDs are stored in any directories/filenames here. | ||
All hex IDs(below 000000XX and NcaId) used here are unique per title/content. XX is calculated as the first byte from the output of SHA-256( | All hex IDs (shown below as 000000XX and [[NCM_services#NcaID|NcaId]]) used here are unique per title/content. XX is calculated as the first byte from the output of the binary SHA-256(Nca directory). | ||
Game contents are stored inside [[NAX0]] archives; due to the 4 GB filesize limit on FAT32, contents that are bigger than 4 GB have additional file contents automatically split into separate files. This automatic file-splitting occurs even on exFAT SD cards where it is not necessary. | Game contents are stored inside [[NAX0]] archives; due to the 4 GB filesize limit on FAT32, contents that are bigger than 4 GB have additional file contents automatically split into separate files. This automatic file-splitting occurs even on exFAT SD cards where it is not necessary. | ||
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<sub-directory under Contents> | <sub-directory under Contents> | ||
└── <directories with upper-case hex: 000000XX> | └── <directories with upper-case hex: 000000XX> | ||
└── < | └── <lower-case hex Nca directory>.nca | ||
└── 00 [[NAX0|actual file for data storage]] | └── 00 [[NAX0|actual file for data storage]] | ||
└── 01 (storage for file data at +4GB in the actual NCA) | └── 01 (storage for file data at +4GB in the actual NCA) | ||
└── {etc} | └── {etc} | ||