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Clarified meaning of MBR partition boot flag

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Thomas Schmitt 2017-04-10 10:02:05 +02:00
parent 94e4bfb42b
commit 0e7300b1a8
1 changed files with 5 additions and 2 deletions
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doc/boot_sectors.txt
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@ -340,8 +340,11 @@ Byte Range | Value | Meaning
| | | |
446 - 461 | ========== | Partition Table Entry for partition 1 446 - 461 | ========== | Partition Table Entry for partition 1
| | | |
446 - 446 | status | Governs bootability: 446 - 446 | status | For some generic MBRs this marks the one partition
| | 0x80 = bootable/active , 0x00 non-bootable/inactive | | from which the MBR should load and run more code.
| | 0x80 = bootflag/active , 0x00 = noboot/inactive
| | Some BIOSes ignore MBRs with no bootflag in any of
| | their partition table entries.
| | | |
447 - 449 | ========== | C/H/S address of partition start 447 - 449 | ========== | C/H/S address of partition start
447 - 447 | start_head | Heads part of start address. 447 - 447 | start_head | Heads part of start address.