Date: Mon, 07 Dec 1998 11:39:46 -0500 From: "Jason J. Horton" <jason@intercom.com> To: freebsd-current@FreeBSD.ORG Subject: Re: New drivers and install floppy space Message-ID: <366C04D2.2ACA7F8C@intercom.com> References: <199812070148.CAA13594@ocean.campus.luth.se>
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How does Microsoft boot the full NT install(3 floppies) from CD?
Can't we do simular?
-J "throwing out ideas, expecting no responces"
Mikael Karpberg wrote:
> According to Mike Smith:
> > > > When a majority can no longer be thusly accommodated, we'll just shrug
> > > > and ditch it completely in favor of the 2(*)-floppy solution.
> > >
> > > It is not that bad. I'm doing more and more boot off the CDROM installs.
> > > I assume sysinstall + boot kernel can be quite large there.
> > > Is the boot kernel there a full GENERIC kernel?
> >
> > No. The way that bootable CDROMs work is that the BIOS pretends that a
> > 1.44MB region at the beginning of the CDROM is actually a 1.44MB floppy
> > disk.
> >
> > I wouldn't mind finding the asshole responsible for this fiasco and
> > doing something traumatic to their lower digestive tract with a
> > petrol-powered Weed Eater.
> >
> > The only ways out of this are:
> >
> > - mandate a floppy in addition to the CDROM (sucks)
> > - add CDROM drivers to the bootloader (ATAPI, SCSI for Adaptec and NCR
> > at least)
> >
> > Both of these are painful.
>
> Less so than the Weed Eater, is my guess. :-)
>
> But... we have 1.44 MB on the CD... Since the bios manages to read the
> file, wouldn't there be a generic way that we could also read something
> from the CD? So that we could make a floppy which does a call and reads a
> 5 MB image from the CD, and unpacks the kernel with MFS from that, with
> full drivers and a nice splash image, too. :-)
> But, lemme guess: "Sorry... There's no way to fool the BIO to read the CD" ?
>
> /Mikael
>
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