From: Dan Armak <danarmak@gentoo.org>
To: gentoo-dev@gentoo.org
Subject: Re: [gentoo-dev] question about grub
Date: Fri, 15 Mar 2002 20:35:11 +0200 [thread overview]
Message-ID: <200203152035.11907.danarmak@gentoo.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0203151155340.6671-100000@rivendell.starshadow.com>
On Friday 15 March 2002 20:00, Ryan McLean wrote:
> Hello,
>
> I was reading your excellent installation documentation online, and I
> ran into a question. Near the end you're breaking down the commands for
> grub, but you leave some information out that I would like to know:
>
> # Below needed only for people who dual-boot
> title=Windows NT Workstation
> root (hd0,5)
> chainloader +1
>
> I'm unclear as to what the (hd0,5) are pointing to, is to say "boot of
> off the FAT partition located at partition 5"? Normally MS likes to
> reside on the primary partition of the drive, so I just want clarification
> on this. For instance, if I have a dual boot, MS on the primary partition
> and Gentoo's root at (sd0,3), then I would put root (sd0,1) under my
> Windows boot section, correct? And also, what does the chainloader +1
> command do? Thank you fo your time, I'm an old fan of lilo, but I have
> been cosidering migrating to a newer bootloader :)
One thing you must be careful with is the partition numbers. In grub, unlike
the /dev/hdxy devices, the first partition is numbered 0 not 1. So (hd0,5) is
first harddisk, sixth partition.
chainloader +1 boots a partition that has custom boot code in its boot sector.
In our case, the windows boot code. Without it grub would mount the partition
and load a linux-style kernel (with a kernel= line).
--
Dan Armak
Gentoo Linux Developer, Desktop Team (KDE)
Matan, Israel
prev parent reply other threads:[~2002-03-15 18:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-15 18:00 [gentoo-dev] question about grub Ryan McLean
2002-03-15 18:03 ` Matthew T. Jachimstal
2002-03-15 18:35 ` Dan Armak [this message]
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