[101231] in RedHat Linux List
RE: MBR on a DOS-floppy
daemon@ATHENA.MIT.EDU (Richardson,Anthony)
Wed Nov 25 09:46:23 1998
Date: Wed, 25 Nov 1998 21:42:00 -0500
From: "Richardson,Anthony" <ARichard@stark.cc.oh.us>
To: redhat-list <redhat-list@redhat.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
> Can anyone tell me how to write a linux-mbr as straight file on a dos
> floppy. I want to use this to make system commander boot my linux
> configuration.
> If the above is impossible, maybe someone can tell me how to
> get to the
> last screen from the linux installation, where you can
> specify if you want
> to write to the mbr or not, without redoing the whole installation.
Set boot=/dev/fd0 in lilo.conf and rerun lilo.
By the way, system commander can boot linux from the hard drive
as well. You need to install the lilo loader in the boot sector
of either a primary or logical linux partition. Then go into
the system commander setup area, add a new OS, and mark the
appropriate partition bootable (or active, I forget the term.
sys. comm. uses).
My linux root partition is the second logical partition (hdc6) on
the third IDE drive (hdc). My lilo.conf looks like this:
compact
boot=/dev/hdc6
image=/vmlinuz
root=/dev/hdc6
read-only
The lilo docs warn that most boot managers can't load boot sectors
from logical partitions and recommends installing the boot sector
at the beginning of a primary linux partition or in the free area of an
extended partition table. Sys. comm. however
can't load a boot sector from an extended partition table, but can
from the beginning of a logical partition. (The incredible lilo can
load boot sectors from primary, extended or logical partitions
when it is used as boot manager.)
Tony
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