Updated partition offset wiki

master
Thomas Schmitt 12 years ago
parent 060484494d
commit f7c8dbe10e
  1. 16
      doc/partition_offset.wiki

@ -46,6 +46,10 @@ are non-zero. But to avoid any assumptions, all 32 kB get copied here.
{{{
dd if=RIPLinux-9.3-non-X.iso bs=1K count=32 of=RIPLinux-9.3-non-X.sysarea
}}}
Normally the System Area file with its MBR is provided by the Syslinux
installation under the name isohdp[fp]x*.bin .
E.g. /usr/lib/syslinux/isohdpfx.bin
The files of the image are made accessible for reading
{{{
mount -o loop RIPLinux-9.3-non-X.iso /mnt
@ -78,7 +82,7 @@ and plugged into a Debian system.
yields
{{{
Device Boot Start End Blocks Id System
/dev/sdb1 * 64 119215 59576 17 Hidden HPFS/NTFS
/dev/sdb1 * 64 120831 60384 17 Hidden HPFS/NTFS
}}}
I can mount /dev/sdb and /dev/sdb1 alike:
@ -154,16 +158,6 @@ preparations.
- If not to be marked bootable:
What equipment would the partition need to justify having the mark ?
- I am still puzzled by the cylinder-head-sector ambiguity. How does a reader
of the partition table determine the numbers for heads/cylinder and
sectors/head ?
fdisk tells about my /dev/sdb
{{{
105 heads, 17 sectors/track, 2193 cylinders, total 3915776 sectors
}}}
My partiton table rather was computed with 255 heads/cylinder, 63 sectors/head
Debian does not mind the difference. (It uses the 32 bit LBAs, i assume.)
------------------------------------------------------------------------
Application:

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