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452 bytes added ,  15:46, 28 May 2019
== Quota File ==
The inner data of <code>Quota.dat</code> is 0x48 bytes with the following format. The exact function of this file is unclearseems to limit the extdata total size.
{| class="wikitable" border="1"
| 0x08
| 4
| 0x1000, block size?
|-
| 0x0C
| Always 126. Probably device directory capacity. See the [[#Device Directory Capacity]] more information.
|-
| 0x10| 4| Always 0?|-| 0x14| 4| Max number of blocks|-| 0x18| 4| Always 0? |-| 0x1C| 4| Free blocks remained|-| 0x20| 4| Always 0? |-| 0x24| 4| Always 0? |-| 0x28| 4| Equal or greater than the free blocks number?|-| 0x2C| 4| Always 0? |-| 0x30| 4| ID of most recently mounted Extdata image...Same as the one in [[Inner_FAT#Filesystem Header]]|-| 0x34| 4| Always 0?|-| 0x38| 4| Always 0?|-| 0x3C| 4| Always 0?|-| 0x40| 4| ?|-|0x44| 4| The meaning of other fields is unknownAlways 0?
|}
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