Boot
Boot sector is located at first sector of partition. At the end of the boot sector is a 2-byte structure 55 AA also.
引导扇区位于分区的第一扇区。在引导扇区的末端是一个2字节结构也是55 AA。
Boot sector can contain marks about using file system FAT, FAT16 or FAT32. But these marks are not so required.
引导扇区可以包含关于使用文件系统FAT，FAT16或FAT32的标记。但这些标记不是必需的。
To find boot sector using Hex Editor put FAT?? at search line.
用十六进制编辑器来查找引导扇区?
General parameters for FAT boot:
FAT引导的一般参数：
The main fields for FAT 16 boot sector
FAT 16引导扇区
The main fields for FAT 32 boot sector
FAT 32引导扇区
Sector 扇区
Bytes per sector. (512, 1024, 2048 or 4096)
字节数。（512,1024,2048或4096）
Generally 0x200 = 512
通常0x200 = 每簇512个
Cluster 簇
Sectors per cluster
Reserved 保留
Reserved sector count. The number of sectors before the first FAT.
预留扇区数。第一个FAT之前的扇区数。
N
Number of file allocation tables.
文件分配表的数量。
Almost always 2 for flash.
Root Size 根大小
The size of root catalog
Size = Root_Size * 32
Root_Size is not used for FAT32 system
Total Sectors 总扇区
The number of sectors is used in file system.
文件系统中使用扇区数。
Table Size 表大小
The size of one copy of FAT – the number of sectors in one copy of FAT
FAT的一个副本的大小 – FAT的一个副本中的扇区数
