Master boot record (MBR) — code and data located in the first 512 bytes of the hard disk needed to boot the operating system.
From 512 bytes of MBR code contains:
446 bytes — Bootstrap
64 bytes — Partition table
2 bytes — Signature
Vyacheslav Gapon – personal blog, manuals, articles, notes, development
Master boot record (MBR) — code and data located in the first 512 bytes of the hard disk needed to boot the operating system.
From 512 bytes of MBR code contains:
446 bytes — Bootstrap
64 bytes — Partition table
2 bytes — Signature