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Starting NT 4.0 from LILO

daemon@ATHENA.MIT.EDU (D. Michael McFarland)
Fri Nov 8 08:51:21 1996

Date: Fri, 8 Nov 1996 08:47:58 -0500
To: redhat-list@redhat.com
From: mcfarlan@neca.com (D. Michael McFarland)
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com

I have Linux and Windows NT 4.0 installed and would like to use LILO 
to boot either, but am having some trouble starting NT this way.

The machine is a Gateway Pentium 166, 32 MB RAM, which originally had 
one IDE disk and ran only NT 4.0 (upgraded from 3.51). When I decided 
to take the plunge into Linux, I installed a second IDE disk to 
dedicate to it. Both disks are on the primary IDE controller, with the 
"new" (Linux) disk as master and the "old" (NT) disk as slave. I 
installed Red Hat Linux 4.0 from CD without too much difficulty, 
except for a complaint about a problem with the installation of LILO 
(I *think* I want it on the MBR of the master HD). Skipping this 
(last) step of the installation and rebooting got me the LILO prompt, 
though, and LILO happily starts Linux. I had hoped that all I needed 
to do was tell LILO about NT, but so far I've failed at this.

The primary partition containing the entire NT installation is mounted 
under Linux as /ntc, and is visible to Linux. It is the first 
partition on its drive, and was created by the NT installer. The most 
successful /etc/lilo.conf file I've come up with is this:

boot=/dev/hda
map=/boot/map
install=/boot/boot.b
prompt
timeout=50
image=/boot/vmlinuz
        label=linux
        root=/dev/hda1
        initrd=/boot/initrd
        read-only
other=/dev/hdb1
        label=nt
        table=/dev/hdb
        loader=/ntc/ntldr

When I run /sbin/lilo, I get the message "Chain loader doesn't have a 
valid LILO signature", which leads me to suspect something's wrong or 
missing in the NT stanza. I've read all the docs I can find forward 
and backward; it may well be right in front of me, but I'm just not 
seeing it.

Any help would be greatly appreciated.

-- Michael


--
    D. Michael McFarland <mcfarlan@neca.com>
    Willimantic, Connecticut



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