File system Indicator Byte in Hexadecimal |
Partition/ File system Description |
b8H |
BSDI BSD/386 swap partition (secondarily file system)
(BSDI (Berkeley Software Design, Inc.) was founded by former CSRG (UCB Computer Systems Research Group) members. Their operating system, based on Net/2, was called BSD/386.) |
bbH |
Boot Wizard hidden |
beH |
Solaris 8 boot partition |
c0H |
DR-DOS/Novell DOS secured partition |
C0H |
CTOS |
c0H |
REAL/32 secure small partition |
c0H |
NTFT Partition |
c1H |
DR DOS 6.0 LOGIN.EXE-secured 12-bit FAT partition |
c2H |
Reserved for DR-DOS 7+ |
c2H |
Hidden Linux |
c3H |
Hidden Linux swap |
c4H |
DR DOS 6.0 LOGIN.EXE-secured 16-bit FAT partition |
c5H |
DRDOS/secured (Extended) |
c6H |
DRDOS/secured (FAT-16, >= 32M)
(DR-DOS 6.0 will add C0H to the partition type for a LOGIN.EXE - secured partition so that User can not avoid the password check by booting from an MS-DOS floppy. Otherwise it seems that the types C1H, C4H, C5H, C6H and D1H, D4H, D5H, D6H are used precisely like 1H, 4H, 5H, and 6H.) |
c6H |
Corrupted FAT16 volume/stripe set (Windows NT)
(NTFS will add C0H to the partition type for disabled parts of a Fault Tolerant set. Thus, one gets types C6H, C7H.) |
c7H |
Windows NT corrupted NTFS volume/stripe set |
c7H |
Syrinx boot |
c8H |
Officially listed as Reserved |
c9H |
Officially listed as Reserved |
caH |
Officially listed as Reserved |
cbH |
Reserved for DR-DOS secured FAT32 |
ccH |
Reserved for DR-DOS secured FAT32 (LBA) |
cdH |
CTOS Memdump |
ceH |
Reserved for DR-DOS secured FAT16 (LBA) |
d0H |
REAL/32 secure big partition
(REAL/32 is a continuation of DR Multi-user DOS.) |
d1H |
Old Multi-user DOS secured FAT12 |
d4H |
Old Multi-user DOS secured FAT16 <32M |
d5H |
Old Multi-user DOS secured extended partition |
d6H |
Old Multi-user DOS secured FAT16 >=32M |
d8H |
CP/M-86 |
daH |
Non-FS Data |
dbH |
Digital Research CP/M, Concurrent CP/M, Concurrent DOS |
dbH |
CTOS (Convergent Technologies OS -Unisys) |
dbH |
KDG Telemetry SCPU boot
(KDG Telemetry uses ID DBH to store a protected-mode binary image of the code to be run on a 'x86-based SCPU (Supervisory CPU) module from the DT800 range.) |
ddH |
Hidden CTOS Memdump |
deH |
Dell PowerEdge Server utilities (FAT) |
dfH |
DG/UX virtual disk manager partition |
dfH |
BootIt EMBRM
(The boot manager BootIt manages its own partition table, with up to 255 primary partitions.) |
e0H |
Reserved by ST Microelectronics for a file system called ST AVFS. |
e1H |
DOS access or SpeedStor 12-bit FAT extended partition
(It is a SSTOR partition on cylinders more than 1023.) |
E2H |
DOS Read-Only |
e3H |
Storage Dimensions |
e4H |
SpeedStor 16-bit FAT extended partition < 1024 cylinders |
e5H |
Officially listed as Reserved |
e5H |
Tandy DOS with logical sectored FAT |
e6H |
Officially listed as Reserved |
ebH |
BeOS BFS (BFS1)
(BeOS is an operating system that runs on Power PCs) |
edH |
Reserved for Matthias Paul’s Sprytix |
eeH |
Indication that this legacy MBR is followed by an EFI Header |
efH |
Partition that contains an EFI file system |
f0H |
Linux/PA-RISC boot loader |
f1H |
Storage Dimensions |
f2H |
DOS 3.3+ secondary partition |
f2H |
Unisys DOS with logical sectored FAT |
f3H |
Officially listed as Reserved |
f4H |
SpeedStor large partition |
F4H |
Prologue single-volume partition |
