Different operating systems have different Partition Type bytes. The most common DOS partition type is 6h, which is used for Primary DOS partitions greater than 32 Mbytes.
Here is a list of known (and suspected) partition type bytes:
- 00 Not Occupied
- 01 DOS, Primary Partition (12-bit FAT, <16MB)
- 02 XENIX root
- 03 XENIX usr
- 04 DOS, Primary Partition (16-bit FAT, >=16MB and <32MB)
- 05 DOS, Extended Partition
- 06 DOS, Primary Partition (16-bit FAT, >32MB)
- 07 OS/2 HPFS, Win NTFS, QNX ver 2, or Adv UNIX
- 08 AIX – boot
- 09 AIX – data, Coherent
- 0A OS/2 BtMgr
- 0B PRI DOS 512 Mbytes – 2 Tbytes FAT32 Win95, OSR2 & 98
- 0C EXT DOS 512 Mbytes – 2 Tbytes FAT32 Win95, OSR2 & 98
- 0E PRI DOS 32 Mbytes-2 Gbytes FAT16 Windows 95 & 98
- 0F EXT DOS 0-2 Gbytes Windows 95 & 98
- 10 OPUS
- 12 Compaq diagnostics partition
- 40 VENIX 80286
- 50 DiscWizard Starter Edition read only DOS partition
- 51 DiscWizard Starter Edition read/write DOS partition
- 52 CPM, Microport System V/386
- 54 DiscWizard Starter Edition non-DOS partition
- 55 Micro House EZ-Drive ® non-DOS partition
- 56 Golden Bow Vfeature partition
- 61 Storage Dimensions SpeedStor partition
- 63 UNIX – AT&T System V/386
- 64 Novell NetWare 286
- 65 Novell NetWare 386
- 75 PC/IX IBM
- 77 QNX POSIX partition
- 78 QNX POSIX partition (secondary)
- 79 QNX POSIX partition (secondary)
- 80 Minix (v1.4a and earlier)
- 81 Minix (v1.4b and later), Linux
- 82 Linux swap partition
- 83 Linux native file system
- 93 Amoeba file system
- 94 Amoeba bad block table?
- DB Digital Research CPM-86, Concurrent DOS
- E1 SpeedStor 12-bit FAT extended partition
- E3 DOS read-only
- E4 SpeedStor 16-bit FAT extended partition
- F2 2nd DOS partition, some OEM customized DOS
- F4 SpeedStor, large partitions
- FE Lan Step, SpeedStor (partitions over 1024 cyl?)
- FF UNIX bad block table partition
Related link: SCSI Sense Key Chart