There are some CDs that just boot straight to the first harddisk if
there's a boot record there. I suppose they do this to prevent
accidental overwriting of an existing OS, or to facilitate continuation
of the installer even if the CD is not removed after the first stage.
Some boot code asks whether to boot from harddisk or CD, sometimes with
a timeout after which it either boots from CD or harddisk automatically,
but some other CDs may not ask this question and may not even display
any message at all.
Have you tested this with different bootable CD images?
--
Ivo
Op 21-9-2020 om 4:35 schreef Dan Egli:
I'm wondering about some strange behavior VirtualBox is showing. If
you have both a bootable CD and a Bootable hard drive image selected,
the CD is NEVER booted. The only way to boot from a CD seems to be
when the hard drive does not have boot information. If there IS boot
information, then the Hard Disk is ALWAYS the boot source. I've tried
everything I can think of. I put the CD above the hard disk in the
boot order. I even unselected EVERYTHING EXCEPT the CD drive, and
VirtualBox still refuses to boot from a CD if it's hard disk is bootable.
I'd love some advice here, or is this a bug?
--
Dan Egli
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