Flash Extractor
About     Shop     Downloads     Manual     Library     Forum     Services     Contacts

Boot sector is located at first sector of partition. At the end of the boot sector is a 2-byte structure 55 AA also.

Boot sector can contain marks about using file system FAT, FAT16 or FAT32. But these marks are not so required.

To find boot sector using Hex Editor put FAT?? at search line.

General parameters for FAT boot:

The main fields for FAT 16 boot sector

The main fields for FAT 32 boot sector

Bytes per sector. (512, 1024, 2048 or 4096)
Generally 0x200 = 512

Sectors per cluster

Reserved sector count. The number of sectors before the first FAT.

Number of file allocation tables.
Almost always 2 for flash.

Root Size
The size of root catalog
Size = Root_Size * 32
Root_Size is not used for FAT32 system

Total Sectors
The number of sectors is used in file system.

Table Size
The size of one copy of FAT - the number of sectors in one copy of FAT
Last added
SSS6696   98 d7 94 32   1x1 UP309   45 3c 98 b3   1x1 EN3257LT Q AB   2c 84 64 54   1x1   v2 PS2251-08-Q   98 de 94 93   2x4 SM3257EN Q AA   45 d7 98 b2   1x1 IS916EN   98 d7 98 92   1x1 SM321QF CC   2c d7 d5 3e   1x2 SSS6137   45 3e 98 b3   1x1 IT1178D   98 d7 94 32   1x1 AU6998SN   2c 84 64 3c   1x2
21.07.2020 RR manual updated
10.07.2020 Power adapter in stock
05.05.2020 RR even and odd blocks
10.03.2020 RR for ad 3a 18 03
01.12.2019 Power Adapter v3
Other products
Soft-Center ltd.