Date: Thu, 13 Jun 1996 09:04:05 -0400 (EDT) From: Pedro Giffuni <pgiffuni@biblioteca.campus.unal.edu.co> To: Terry Lambert <terry@lambert.org> Cc: questions@FreeBSD.org Subject: Re: Non-system disk error Message-ID: <Pine.A32.3.91.960613085602.69068B-100000@biblioteca.campus.unal.edu.co> In-Reply-To: <199606122251.PAA07045@phaeton.artisoft.com>
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Please note: 1) The Installer read the instructions! 2) fbsd was succesfully installed on an identical computer, following the same procedure 3) Machines came with DOS preinstalled and worked fine. 4) There`s only one disk. 5) DOS fdisk reported the wonly partition (NON-DOS) is active. Pedro. On Wed, 12 Jun 1996, Terry Lambert wrote: > > Hello: > > Installing fbsd on two computers that are exactly equal, same brand, same > > size, etc... one gives me the nasty message: > > > > Missing Operating System. > > > > while the other one is O.K. > > Error: "Missing Operating System" > > Description: The BIOS-based MBR looked at the partition table, and > saw that no partitions were marked active. > > Cause 1: No partitions are marked active (user error). > > Workaround 1: Boot a DOS boot disk and run fdisk. Mark a partition > active. Reboot from the hard drive to get the selected > OS. > > Cause 2: Installation of boot manager was selected when FreeBSD > was being installed on the second disk (installer did > not read installation instructions). Happens because > there is no BSD disk on the first drive to mark active > after everything is marked inactive. > > Workaround 2: Boot a DOS boot disk and run fdisk. Mark a partition > active. Reboot from the hard drive to get the boot > manager. > > Cause 3: Installation of boot manager was selected when FreeBSD > was being installed on the second disk (installer did > not read installation instructions) and OnTrack or > other INT-13 redirecting LBA boot-sector TSR is in use. > Happens because the boot manager has overwritten the > OnTrack (or other) boot code. > > Workaround 3: Reinstall OnTRack or other INT-13 redirecting boot-sector > TSR using disk which came with machine/drive. Do *NOT* > overwrite partition table (which is undamaged). If boot > selector is desired, boot DOS from hard drive and use > DOS installation program to install boot selector. > > Overall fix: Make the FreeBSD install less stupid when it comes to > installing FreeBSD on the second drive. > > > Terry Lambert > terry@lambert.org > --- > Any opinions in this posting are my own and not those of my present > or previous employers. >
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