CDROM Booting Problems

[Jeremy Baker]

This page has some very interesting information about the origin of the El 
Torito (bootable cd spec).  It also discusses the fact that not all bioses 
implement all of the specifications of El Torito.  Intersting read if you 
want to know more about how it works.  From my own personal experience, I 
have had a laptop that would boot from MS bootable cds, but not Redhat 
bootable cds.

http://www.nu2.nu/bootcd/#howboot

On Thursday 04 November 2004 18:38, Lennart Sorensen wrote:
> On Thu, Nov 04, 2004 at 09:43:41AM -0500, Adam Raymond wrote:
> > Just to tell you all, I have used the burned isos on other systems, so
> > I am burning the CD's right.
> >
> > Iam booting from CD(using the bios option). The only thing I can think
> > of is the battery. I currently do not have the CMOS battery on my
> > motherboard. I have yet to replace it. But I don't think that has
> > anything to do with my problem, since the windows 98 CD booted fine.
>
> There are multiple modes of CD booting, and many BIOSs don't support
> them all (some only supprot whatever microsoft uses on their CDs).
>
> Win98 CDs tend to use 1.44MB floppy emulation, while NT4 and above tend
> to use 'no emulation' boot.  Many linux CDs use no emulation not (using
> isolinux or similar) while some use 1.44 or more often 2.88MB floppy
> emulation.  If your bios doesn't correctly support that it might make
> the cd unreadable for booting.
>
> Is the CD driver master or slave, and on which ide connector?  what is
> it sharing a cable with if anything?
>
> Is 'PnP OS Installed' set to yes or no in the bios?
>
> Lennart Sorensen
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-- 
Jeremy Baker <jab-76OBl6+JcyzDN57Tih+YPw at public.gmane.org>
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