Volume GUID Directory Entry

Offset

Size

Description

Comments

0 (0x00)

1

EntryType

0xA0

1 (0x01)

1

SecondaryCount

Must be 0x00

2 (0x02)

2

SetChecksum

 

4 (0x04)

2

GeneralPrimaryFlags

 

Bits

Size

Description

Comments

0

1

AllocationPossible

Must be 0

1

1

NoFatChain

Must be 0

2

14

CustomDefined

 

6 (0x06)

16

VolumeGuid

All values are valid except null GUID {00000000-0000-0000-0000-000000000000}

2 (0x16)

10

Reserved

 

This is a benign primary directory entry and may not present in a file system.

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