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Peter King wrestles lilo

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Peter King -- Lilo, Linux and Windows 2000 dualboot notes

Date: Sat, 7 Dec 2002 13:39:44 -0500
From: Peter King <king.4 @ osu.edu>
Reply-To: colug @ colug.net
To: colug @ colug.net
Subject: Re: [COLUG] Linux + Win2k boot

Thanks for all the help. This deserves to be a FAQ, I've found out, and the problems seem to stem from the fact that Windows really really really wants to be the primary master hard drive. There are two ways of dealing with this.

1. The "Resistance is Futile" option. Switch the disks so that Win2k is the primary hard drive (/dev/hda) and then work out a way to load linux: either make it an element in the Win2k bootloader or have a tiny Linux partition on /dev/hda to load (and be prepared for a lot of fooling around with the bootsector).

2. The "Fool it!" option. Keep the disks where they are and use LILO to fool Windows. You can do it by adding this stanza:

other=/dev/hdb1 label=Win2k table=/dev/hdb map-drive=0x80 to=0x81 map-drive=0x81 to=0x80
The map-drive option to LILO maps BIOS calls to the relevant device code; the example above effectively interchanges the drive order from the BIOS's point of view -- so /dev/hdb becomes C: and /dev/hda D: (so to speak). This is the option I adopted, once I found out about it. It works flawlessly. There is a *lot* of outdated information and just plain misinformation about Linux+Win2k out there, so I hope this might help someone else.

--
Peter King king.4 @ osu.edu Philosophy Department The Ohio State University (614)-292-7914 ofc Columbus, Ohio 43210 (614)-292-7502 fax U.S.A. "If we don't believe in freedom of speech for people we despise, we don't believe in it at all." -- Noam Chomsky _______________________________________________
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