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baslinux - Re: [BL] How to boot from a non-booting bootable CD-ROM?

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  • From: "David Moberg" <davidjmoberg AT lycos.com>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] How to boot from a non-booting bootable CD-ROM?
  • Date: Tue, 08 Mar 2005 15:43:06 -0500

----- Original Message -----
From: "sindi keesan" <keesan AT sdf.lonestar.org>

> I have one keyboard that works in DOS but on at least one computer
> it works in DOS but in BL2 nothing happens when you press any key.
> So I was going to try it with another linux, in this case
> DamnSmallLinux on bootable CD-ROM. Even with CMOS set to boot from
> CD-ROM, A, C it goes into DOS on the hard drive instead of booting.
> I can look at files on the CD. Maybe the list member who gave us
> this CD-ROM did not make it bootable as promised.

Or maybe your BIOS doesn't think it's a CDROM drive? You may need to
adjust settings to autodetect or hardcode in the fact that it's a CD
drive.

> In the Knoppix directory of it is a boot.img file. How would I use
> BL2 or BL3 to write this to a floppy disk and then what to I do
> with it, assuming it is possible to boot from this boot disk to DSL
> afterwards? The batch file to make floppy boot disk uses rawrite
> so I could get that for DOS but I would like to learn to do this in
> linux. Do I use dd somehow?

Assuming a low-level formatted floppy is in a drive at /dev/fd0, and
it's formatted to the proper size (e.g. 1440K) you just do dd if=file
of=/dev/fd0. If it's not formatted right you need to use fdformat. All
the rest should be handled automatically if the CD is in a standard
drive.

> I could not find any mention of my keyboard problem - other people
> only had problems after running certain software, or in X. There
> was mention of 'faulty hardware' and someone lost their USB
> keyboard and mouse at the same time. I cannot 'check if mouse
> works' because I don't have gpm mouse. I suppose I could put
> something in rc.S to load links -g to test the svga mouse. (Using
> a different keyboard to type the change).
> Other suggestions were to type stty echo or reset - don't know if
> this would accomplish anything if the keyboard is not sending
> characters.
>
> All three green keyboard lights go on when I boot linux.
>
> I don't need this keyboard, just curious what is happening. Also,
> this computer is our only one so far that won't boot with FreeDOS.
> Might it have a problem of some sort in the BIOS?

The BL2 FAQ appears have a similar problem listed--apparently you
need some extra kernel parameter(s)?

> I am used to linux not working quite right on all hardware: so far
> three computers won't work with loadlin except from MS DOS 7.1
> (kernel on MS-DOS 7.1 formatted HD or FD), two won't play stereo
> wav files, two won't boot loop linux, and now this odd keyboard
> problem, and one 386 laptop won't boot linux of any sort. I am
> certain nobody tested this keyboard with linux when it was made (in
> the mid 80s).
>
> Does anyone else on the list besides vijay (modem) have hardware
> that won't work with BL but will work with other linuxes? I have
> found the opposite to be true.

None of my new hardware works (duh) but my ISA PnP modem doesn't like
2.2.x kernels so I compiled a new one.

David
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