Flash Filesystem

From Nintendo Switch Brew
Revision as of 16:32, 2 July 2017 by Magic (talk | contribs) (? it's definitely 81B on retail)
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NAND structure

Partition name Offset Size Bis Partition ID Description
N/A 0x0 ? 20 GPT header, partition ID also provides raw access to all partitions
PRODINFO 0x00004400 0x003FBC00 27 "CAL0" raw partition containing set:cal data
PRODINFOF 0x00400000 0x00400000 28 FAT12 filesystem, additional calibration?
BCPKG2-1-Normal-Main 0x00800000 0x00800000 21 For all these packages, data starts at offset 0x4000. This is installed from "package2" in firmware package C, 010000000000081B.
BCPKG2-2-Normal-Sub 0x01000000 0x00800000 22 Identical to BCPKG2-1-Normal-Main, probably used as a backup partition.
BCPKG2-3-SafeMode-Main 0x01800000 0x00800000 23 This is installed from "package2" in firmware package B, 010000000000081A.
BCPKG2-4-SafeMode-Sub 0x02000000 0x00800000 24 Identical to BCPKG2-3-SafeMode-Main.
BCPKG2-5-Repair-Main 0x02800000 0x00800000 25 Unknown what title this originates from.
BCPKG2-6-Repair-Sub 0x03000000 0x00800000 26 Identical to BCPKG2-5-Repair-Main.
SAFE 0x03800000 0x04000000 29 FAT32 filesystem
SYSTEM 0x07800000 0xA0000000 31 FAT32 filesystem
USER 0xA7800000 0x680000000 30 FAT32 filesystem

PRODINFOF

PRODINFOF
├── Certifications
│   └── WirelessCertification.png
└── ptd
    ├── DeviceIdWithEmsBit.dat
    ├── Ecid.dat
    ├── prodCode.dat
    └── log
        ├── Process_asm1.log
        ├── Process_board1.log
        ├── TestFlagLine.log
        ├── TestFlagQc.log
        ├── AGING
        │   └── Sequence.log
        ├── BOARD_TEST
        │   └── Sequence.log
        ├── BOARD_WIRELESS
        │   └── Sequence.log
        ├── FINAL_CHECK
        │   └── Sequence.log
        ├── LCD_AND_KEY
        │   └── Sequence.log
        └── USB_AND_HP
            └── Sequence.log