Boot Signature: Difference between revisions

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(since its not listed anyway: redirected to "Boot Sequence#Master Boot Record")
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#REDIRECT [[Boot Sequence#Master Boot Record]]
The (legacy) BIOS checks bootable devices for a signature, a so called magic number. The BIOS won't boot from that device without it.

==Details==

The boot signature is placed at last two bytes of the boot sector.

{| {{wikitable}}
|-
! offset
! value
|-
| 0x1FE
| 0x55
|-
| 0x1FF
| 0xAA
|-
|}

Revision as of 11:58, 23 July 2016