Flash Filesystem: Difference between revisions
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Created page with "Switch 2 has 256GB of UFS (Universal Flash Storage). All contents are signed and encrypted to some degree. = Structure = The Switch 2's UFS storage is distributed over 4 LUNs. == LUN0 == {| class="wikitable" border="1" |- ! Offset ! Size ! Description |- | 0x0 | 0x2000 | BRBCT |- | 0x2000 | 0x1C000 | Reserved |- | 0x1E000 | 0x2000 | MB1 BCH |- | 0x20000 | Variable | MB1 |- | 0x9E000 | 0x2000 | PSC BCH |- | 0xA0000 | Variable | PSC |- | 0xC0000 |..." |
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| Line 13: | Line 13: | ||
| 0x0 | | 0x0 | ||
| 0x2000 | | 0x2000 | ||
| BRBCT | | [[BCT#BRBCT|BRBCT]] | ||
|- | |- | ||
| 0x2000 | | 0x2000 | ||
| Line 21: | Line 21: | ||
| 0x1E000 | | 0x1E000 | ||
| 0x2000 | | 0x2000 | ||
| MB1 BCH | | MB1 [[BCH|BCH]] | ||
|- | |- | ||
| 0x20000 | | 0x20000 | ||
| Line 29: | Line 29: | ||
| 0x9E000 | | 0x9E000 | ||
| 0x2000 | | 0x2000 | ||
| PSC BCH | | PSC [[BCH|BCH]] | ||
|- | |- | ||
| 0xA0000 | | 0xA0000 | ||
| Line 37: | Line 37: | ||
| 0xC0000 | | 0xC0000 | ||
| 0x2000 | | 0x2000 | ||
| MBCT BCH | | MBCT [[BCH|BCH]] | ||
|- | |- | ||
| 0xC2000 | | 0xC2000 | ||
Latest revision as of 02:40, 17 June 2025
Switch 2 has 256GB of UFS (Universal Flash Storage). All contents are signed and encrypted to some degree.
Structure
The Switch 2's UFS storage is distributed over 4 LUNs.
LUN0
| Offset | Size | Description |
|---|---|---|
| 0x0 | 0x2000 | BRBCT |
| 0x2000 | 0x1C000 | Reserved |
| 0x1E000 | 0x2000 | MB1 BCH |
| 0x20000 | Variable | MB1 |
| 0x9E000 | 0x2000 | PSC BCH |
| 0xA0000 | Variable | PSC |
| 0xC0000 | 0x2000 | MBCT BCH |
| 0xC2000 | Variable | MBCT |
| 0x103000 | 0x1000 | BootConfig |
| 0x104000 | Variable | Package2 |
LUN1
LUN1 is a copy of LUN0, presumably a backup for the update process.