能力值:
( LV3,RANK:20 )
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2 楼
BIOS Parameter Block + 0x00E
Count of reserved logical sectors. The number of logical sectors before the first FAT in the file system image. At least 1 for this sector.
BIOS Parameter Block + 0x024
Logical sectors per file allocation table
FAT32 储存区域分三部分
第一部分长度 (BIOS Parameter Block + 0x00E)
第二部分长度 (BIOS Parameter Block + 0x024) * 2 // 两张 FAT 表
| 0 -> ReservedLogicalSecteros | LogicalSectorPerFAT * 2 | RootDirectoryEntry -> Data region
参考 https://en.wikipedia.org/wiki/Design_of_the_FAT_file_system#BPB
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