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Clarified virtual sector size of El Torito. Changed germanoid use of "eventual".

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Thomas Schmitt 2015-12-21 17:31:30 +01:00
parent cd0f57dd1a
commit 83b864efd2
1 changed files with 5 additions and 5 deletions
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10
doc/boot_sectors.txt
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@ -68,9 +68,9 @@ intervals for:
- Directory trees, tables, boot catalog, embedded partitions and filesystems. - Directory trees, tables, boot catalog, embedded partitions and filesystems.
- Data file content, including content of El Torito boot images. - Data file content, including content of El Torito boot images.
The Boot Record is an ECMA-119 Volume Descriptor which is eventually located The Boot Record is an ECMA-119 Volume Descriptor which is located at 2 kB block
at 2 kB block number 17 (decimal). Its content points to the location of the number 17 (decimal), if present at all. Its content points to the location of
Boot Catalog. the Boot Catalog.
The format is described in part by ECMA-119 8.2 "Boot Record" and further The format is described in part by ECMA-119 8.2 "Boot Record" and further
specified by El Torito figure 7. specified by El Torito figure 7.
@ -177,7 +177,7 @@ Byte Range | Value | Meaning
| | | |
5 - 5 | 0 | Unused 5 - 5 | 0 | Unused
| | | |
6 - 7 | sec_count | Sector Count. 6 - 7 | sec_count | Sector Count. Sector size 512:
| | "the number of virtual/emulated sectors the system | | "the number of virtual/emulated sectors the system
| | will store at Load Segment during the initial boot | | will store at Load Segment during the initial boot
| | procedure." | | procedure."
@ -232,7 +232,7 @@ Byte Range | Value | Meaning
| | 0 if not emulation == 4. | | 0 if not emulation == 4.
5 - 5 | 0 | Unused 5 - 5 | 0 | Unused
| | | |
6 - 7 | sec_count | Sector Count. 6 - 7 | sec_count | Sector Count. Sector size 512.
| | See above Initial/Default Entry | | See above Initial/Default Entry
| | libisofs stores 1 for emulated boot_media and a | | libisofs stores 1 for emulated boot_media and a
| | user defined value for boot_media == 0. Often: 4. | | user defined value for boot_media == 0. Often: 4.