Calculate Date and Time


   
    

    
    
** Read the bytes from left to right. The system will convert it to Little Endian!!!


ExFAT - Boot Record (Volume Boot Record)

Offset: Hex [Dec]  Length in Bytes Description
 0x00 [0] 3 Jump instructions (0xEB/0x76/0x90)
 0x03 [3] 8 FileSystem Name ("EXFAT" in this case)
 0x0B [11] 25 Zeroes (BIOS Parameter Block of the FileSystem)
 0x24 [36] 27 Zeroes (Also a Placeholder)
 0x40 [64] 8 Partition Offset from the Start of the Physical Drive
 0x48 [72] 8 Size of the exFAT volume (No of sectors in this volume)
 0x50 [80] 4 FAT sector offset from the top of the volume (in Sectors)
 0x54 [80] 4 Total Number of Sectors
 0x58 [88] 4 Cluster Bitmap Offset from top of the volume in Sectors.
 0x5C [92] 4 No of Clusters in the Volume
 0x60 [96] 4 First Cluster No of the Root Directory
 0x64 [100] 4 Volume Serial Number
 0x68 [104] 2 Version of the FileSytem
 0x6A [106] 2 Volume Flags
 0x6C [108] 1 Bytes per Sector in Log2 (Power of 2)
 0x6D [109] 1 Sectors per Cluster in Log2 (Power of 2)
 0x6E [110] 1 No of File Allocation Tables (1 indicates ONE FAT and ONE Allocation Bitmap. 2 indicates TWO of FAT and Allocation Bitmap)
 0x6F [111] 1 Drive No. used by BIOS
 0x70 [112] 1 Volume used in Percentage. If value is 0xFF, it is not used
 0x71 [113] 7 Reserved
 0x78 [120] 390 Boot Code
 0x1FE [510] 2 Boot Signature