File system Indicator Byte in Hexadecimal |
Partition/ File system Description |
8bH |
Legacy Fault Tolerant FAT32 volume |
8cH |
Legacy Fault Tolerant FAT32 volume using BIOS Extended INT 13H. |
8dH |
Free FDISK hidden Primary DOS FAT12 partition
(Free FDISK is the FDISK used by FreeDOS. It hides types 01H, 04H, 05H, 06H, 0BH, 0CH, 0EH and 0FH by adding decimal Number 140 (8CH).) |
8eH |
Linux Logical Volume Manager partition |
90H |
Free FDISK hidden Primary DOS FAT16 partition |
91H |
Free FDISK hidden DOS extended partition |
92H |
Free FDISK hidden Primary DOS large FAT16 partition |
93H |
Hidden Linux native partition |
93H |
Amoeba file system |
94H |
Amoeba bad block table
(Amoeba is a distributed operating system written by Andy Tanenbaum, together with Frans Kaashoek, Sape Mullender, Robert van Renesse and others since 1981. It runs on PCs (386 and up), Sun3, Sparc, 68030. It is free for universities for research and teaching purposes.) |
95H |
MIT EXOPC native partition |
97H |
Free FDISK hidden Primary DOS FAT32 partition |
98H |
Free FDISK hidden Primary DOS FAT32 partition (LBA) |
99H |
Mylex EISA SCSI or DCE376 logical drive
(It is used by the Mylex DCE376 EISA SCSI adaptor for partitions which are beyond the 1024 cylinder of a drive.) |
9aH |
Free FDISK hidden Primary DOS FAT16 partition (LBA) |
9bH |
Free FDISK hidden DOS extended partition (LBA) |
9fH |
BSD/OS |
a0H |
Phoenix NoteBIOS Power Management "Save-to-Disk" partition or Laptop hibernation partition
(It is Reported for various laptops like IBM Thinkpad, Phoenix NoteBIOS, Toshiba under names like zero-volt suspend partition, suspend-to-disk partition, save-to-disk partition, power-management partition, hibernation partition, usually at the start or end of the disk area.) |
a1H |
Laptop hibernation partition
(Used as "Save-to-Disk" partition on a NEC 6000H notebook. Types A0H and A1H are used on systems with Phoenix BIOS. The Phoenix PHDISK utility is used with these.) |
a1H |
HP Volume Expansion (SpeedStor variant) |
a3H |
Officially listed as Reserved |
a4H |
Officially listed as Reserved |
a5H |
BSD/386, 386BSD, NetBSD, FreeBSD
(386BSD is a Unix-like operating system, a port of 4.3BSD Net/2 to the PC done by Bill Jolitz around 1991.) |
a6H |
OpenBSD
(OpenBSD, led by Theo de Raadt, split off from NetBSD. It tries to emphasize on security.) |
a7H |
NEXTSTEP
(NEXTSTEP is Based on Mach 2.6 and features of Mach 3.0. It is a true object-oriented operating system and user environment. |
a8H |
Mac OS-X
(Apple's OS-X uses this type for its file system partition) |
a9H |
NetBSD |
aaH |
Olivetti Fat 12 1.44MB Service Partition
(It Contains a bare DOS 6.22 and a utility to exchange types 06H and AAH in the partition table.) |
abH |
Mac OS-X Boot partition
(Apple's OS-X (Darwin Intel) uses this type for its boot partition.) |
abH |
GO! partition |
aeH |
ShagOS file system |
afH |
ShagOS swap partition |
b0H |
BootStar Dummy
(The boot manager BootStar manages its own partition table, with up to 15 primary partitions. It fills unused entries in the MBR with BootStar Dummy values.) |
b1H |
Officially listed as Reserved |
b3H |
Officially listed as Reserved |
b4H |
Officially listed as Reserved |
b6H |
Officially listed as Reserved |
B6H |
Windows NT mirror set (master), FAT16 file system |
b7H |
BSDI file system (secondarily swap), BSDI BSD/386 file system |
B7H |
Windows NT mirror set (master), NTFS file system |
