Improve bootloader usage mention

Clarify where in the bootloader info block execution begins.
This commit is contained in:
Robin H. Johnson
2014-06-14 01:42:49 -07:00
parent e4ed143bed
commit b072c66c9f

View File

@@ -159,8 +159,9 @@ logically laid out.
The MBR has been heavily limited in its design, as it can only occupy the first
512 bytes of space on the drive (which is the size of one physical sector).
This limits the tasks the boot loader program is able to do. As the complexity
of systems grew, it became necessary to add "chain boot loading". This allows the
This limits the tasks the boot loader program is able to do. The execution of
the boot loader literally starts from the first byte. As the complexity of
systems grew, it became necessary to add "chain boot loading". This allows the
MBR to load an another program from elsewhere on the drive into memory. The new
program is then executed and continues the boot process.