[Grub4dos-devel] Patched MBR

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windrv

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Jul 12, 2007, 5:44:32 PM7/12/07
to grub4do...@gna.org
@Tinybit,

The first question is when users load up a partition to the memory using:

map --mem (hd0,1) (hd0)

the above command seems to patch an MBR at the head of the partition to make
it into a disk image.

Could you tell us the details about this patched MBR, including:

1. what is the length-size of the MBR;
2. is there any boot code embedded;
3. how the partition table is configured (for example how the active flag,
the filesystem signature, etc are determined and set);
etc.
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