Partition Table Documentation Compressed

MBR
Marley Jaffe
marleyjaffe.com
Master Boot Record
Flag
00
Starting CHS Partition Type Ending CHS
000302
06
E17FFE
Starting LBA Size
00000080
00763780
*Data is in an IA32-based system, Little endian (least significant byte is first)
GPT
GUID Partition Table
Globally Unique Identifier
Protective MBR (LBA 0)
GPT header (LBA 1)
GPT vs MBR
MBR = 32bit, GPT = 64bit
GPT has a backup Partition Table located at Last LBA n-1 and a backup GPT Header located at Last LBA n
MBR has a maximum of 4 partitions
GPT has a maximum of 128 partitions
MBR Partition Table allows for up to 2.2 TB (2.20 × 1012 bytes)
GPT allows for up to 9.4 ZB (9.4 × 1021 bytes)
GPT allows for each partition to have a 36 character Unicode name
The odds of generated two identical guids is 1 in 5,316,911,983,139,663,491,615,228,241,121,400,000
GUIDs are stored as 128-bit values, and are displayed as 32 hexadecimal digits
Partition table (LBA 2)