| 0 (0x00) |
3 |
JumpBoot |
0xEB7690 |
| 3 (0x03) |
8 |
FileSystemName |
"EXFAT> |
| 11 (0x0B) |
53 |
MustBeZero |
|
| 64 (0x40) |
8 |
PartitionOffset |
In sectors; if 0, shall be ignored |
| 72 (0x48) |
8 |
VolumeLength |
Size of exFAT volume in sectors |
| 80 (0x50) |
4 |
FatOffset |
In sectors |
| 84 (0x54) |
4 |
FatLength |
In sectors. May exceed the required space in order to align the second FAT |
| 88 (0x58) |
4 |
ClusterHeapOffset |
In sectors |
| 92 (0x5C) |
4 |
ClusterCount |
232 - 11 is the maximum number of clusters could be described |
| 96 (0x60) |
4 |
RootDirectoryCluster |
|
| 100 (0x64) |
4 |
VolumeSerialNumber |
|
| 104 (0x68) |
2 |
FileSystemRevision |
as MAJOR.minor, major revision is high byte, minor is low byte; currently 01.00 |
| 106 (0x6A) |
2 |
VolumeFlags * |
|
| 108 (0x6C) |
1 |
BytesPerSectorShift |
Power of 2. Minimum 9 (512 bytes per sector), maximum 12 (4096 bytes per sector) |
| 109 (0x6D) |
1 |
SectorsPerCluster Shift |
Power of 2. Minimum 0 (1 sector per cluster), maximum 25 - BytesPerSectorShift, so max cluster size is 32 MB |
| 110 (0x6E) |
1 |
NumberOfFats |
2 is for TexFAT only |
| 111 (0x6F) |
1 |
DriveSelect |
Extended INT 13h drive number; typically 0x80 |
| 112 (0x70) |
1 |
PercentInUse |
0..100 - percentage of allocated clusters rounded down to the integer 0xFF â percentage is not available |
| 113 (0x71) |
7 |
Reserved |
|
| 120 (0x78) |
390 |
BootCode |
|
| 510 (0x1FE) |
2 |
BootSignature |
0xAA55 |
| 512 (0x200) |
2BytesPerSectorShift - 512 |
ExcessSpace |
Not used |
