Ubuntu CD Images

  1. Bug #1025555
  2. Comment #26

Comment 26 for bug 1025555

Revision history for this message
Dimitri John Ledkov (xnox) wrote : Re: [Bug 1025555] Re: Ubuntu i386 images are not compatible with recent (UEFI) computers

On 18 April 2013 15:29, Phillip Susi <email address hidden> wrote:
> On a hard disk the EFI system partition is a separate partition, but I
> did not think this was the case on removable media. I thought for CDs
> you just got an /EFI directory within the normal iso9660 filesystem.
>
> I thought the the partition table is part of the new hybrid cd stuff and
> is only used when you dd the image directly to a flash drive, and isn't
> required to boot the installer in EFI mode.
>

I'm not sure when/where it's needed, but it is present on the ISO. And
thus i'd expect it to be present on the burned CD/DVD and hence the
concern that older 32-bit BIOS can trip on that.

Regards,

Dmitrijs.