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Old 07-13-2003, 09:54 PM   #1
Registered: Jun 2003
Distribution: Redhat8
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Question Multi-OS Boot Question

I currently have a dual boot Windows/Linux system and want to add another partition and install FreeBSD.

In the FreeBSD install, it mentions that the boot files must be within the first 1024 Cylinders. Is this a requirement for FreeBSD itself or just for the FreeBSD boot loader?

If I use a linux boot loader (LILO or Grub) which doesn't have a problem with the 1024 cylinder limit, will it be able to boot FreeBSD if it's boot files are above cylinder 1024?
Old 07-15-2003, 11:47 AM   #2
Registered: Apr 2002
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Distribution: FreeBSD, OBSD maybe Gentoo and Winblech XP
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AFAIR only OpenBSD "needs" to be at the begining of the primary boot disk...
Old 07-16-2003, 01:05 AM   #3
Registered: Mar 2003
Distribution: FreeBSD 6.1, NetBSD 3.0.1
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You can use grub (also lilo) to multiboot with FreeBSD. Use an editor to add an entry into the menu.lst file (found in the /boot/grub directory). Add:

title FreeBSD
root (hd0,x)
chainloader +1

Replace x with the number of your partition minus 1 (i.e. /dev/hda1=0, /dev/hda2=1, /dev/hda3=2 and so on). Note: replace x only with one digit (like 1 or 2). Save file and execute grub-install in shell.

Good luck

Last edited by Tuvok; 07-16-2003 at 01:07 AM.
Old 07-29-2003, 02:15 PM   #4
Registered: May 2002
Location: NY, USA
Distribution: FreeBSD, Fedora, RHEL, Ubuntu; OS X, Win; have used Slackware, Mandrake, SuSE, Xandros
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The GAG boot loader is also great for this purpose and should do exactly what you need, doesn't matter where the partitions are on the disk, and it's easy to use:


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