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syslinuxoscopy
2018 Jan 05
0
Structure of VBR in FAT32?
> You are thinking GRUB-like, among (too) many others.
Heh, at least I am in good company.
> A "sector" is not necessarily 512-bytes long.
Fair enough, e.g. Advanced Format 4k sector disks.
> The VBR, or Volume Boot Record, is not necessarily 512-bytes long.
> Also, the VBR doesn't need to be restricted to the first sector of the
volume alone.
The "Design"
2018 Jan 04
3
Structure of VBR in FAT32?
> You might want to read Wikipedia's articles about "FAT32" and "Design
of the FAT file system",
Good pointer. I spent far far too long on that page figuring out how fat32
is designed. But the reserved sectors, there is the key.
> reserved sectors
Right! Immediately after the FSIS before the FAT.And it usually is 32
sectors for fat32. Take off the VBR and the FSIS,