Editing NAND Flash Memory

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| 0x05 || 1 || 0xFF if the block is valid
| 0x05 || 1 || 0xFF if the block is valid
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| 0x06 || 2 || Logical block number for FAT, 0x73 0x01 (= IDStorage version 1) for the IDStorage index. For the IPL blocks, this is 0xFFFF for older models, but for the last iplloader version (around PSP 3k), bits 5..10 give the index of the XOR key to apply, and bits 0..4 indicate the rotation to apply to them (see [[iplloader]] for more details)
| 0x06 || 2 || Logical block number for FAT, 0x73 0x01 (= IDStorage version 1) for the IDStorage index. For the IPL blocks, this is 0xFFFF for older models, but for the last PRE-IPL version (around PSP 3k), bits 5..10 give the index of the XOR key to apply, and bits 0..4 indicate the rotation to apply to them (see [[PRE-IPL]] for more details)
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| 0x08 || 4 || 0xFFFFFFFF for empty pages, 0x6DC64A38 for the IPL (including the block table), 0xFFFF0101 for the IDStorage index (byte is either 1 or 0 depending on whether the IDStorage has been formatted or not, and byte 9 indicates if the IDStorage is read-only or not)
| 0x08 || 4 || 0xFFFFFFFF for empty pages, 0x6DC64A38 for the IPL (including the block table), 0xFFFF0101 for the IDStorage index (byte is either 1 or 0 depending on whether the IDStorage has been formatted or not, and byte 9 indicates if the IDStorage is read-only or not)
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