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From: Greg Lehey <grog@lemis.de>
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Subject: Re: cdrom boot?
In-Reply-To: <199611182249.XAA02579@uriah.heep.sax.de> from J Wunsch at "Nov 18, 96 11:49:54 pm"
To: joerg_wunsch@uriah.heep.sax.de
Date: Tue, 19 Nov 1996 11:16:57 +0100 (MET)
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J Wunsch writes:
> As J.J.Ming wrote:
>
>> 		Is it current boot from cdrom ?
>
> Nobody ever came round who was really interested in persuing this.

I think it's about time that the FreeBSD core team began paying some
attention to the things which will gain acceptability of FreeBSD when
compared to other free UNIXes.  These include CD-ROM booting (which
should be straightforward) and smooth support for ATAPI CD-ROMs (which
apparently isn't).

There's an article about CD-ROM booting in the current c't (December
1996), page 72.  It starts with the promis "Sysadmins of Unix systems
or Macintoshes have known about it for a long time.  You don't need
floppies to install a new operating system on a hard disk, just a
CD-ROM".

In summary, it says:

- There's a new substandard on top of ISO 9660, El Torito (that's
  where they hacked out the scheme :-)

- More and more motherboard BIOSes support El Torito, as do a number
  of SCSI host adapters.  I built two machines yesterday, and both the
  (useless) host adapter and the motherboard BIOS support it.

- The specs and a cookbook for making bootable CD-ROMs are available
  in Adobe Acrobat format (whatever that may be) from a link in
  http://www.ptltd.com/techs/specs.html.  Maybe somebody can convert
  them to PostScript for the rest of us to look at.

- There's also a document on making bootable CD-ROMs on
  http://mail.ncku.edu.tw/~thlx/bootcd.htm.

J=F6rg, aren't you the right person to integrate this stuff?

Greg