PC Formatted Disks

Some articles on disks, formatted:

FATX - Technical Design - Boot Sector
... floppy disks, the Boot Sector (VBR) is the first sector (logical sector 0 with physical CHS address 0/0/1 or LBA address 0)) ... first sector is the Master Boot Record defining partitions, while the first sector of partitions formatted with an FAT file system is again the Boot Sector ... Since DOS 2.0, valid x86-bootable disks must start with either a short jump followed by an NOP (opstring sequence 0xEB 0x?? 0x90 as seen since DOS 3.0—and on DOS 1.1) or a near jump (0xE9 0x?? 0x ...