Hi,

Andy <andy@softbook.com> wrote:

Andy> Does anyone know why the newer mac firmware is capable
Andy> of booting from a iso9660 image or msdos or hfs image
Andy> on the harddrive, but is not capable of booting from
Andy> iso9660 or hfs (mkhybrid) image on an actual cdrom ?

Actually, it does.  Try the below on Open Firmware console.
I use this on iBook.

boot cd:,ofwboot.xcf (or ofwboot.elf)

Note that there's a comma `,' after the colon `:'.

--
SUNAGAWA Keiki <kei_sun@ba2.so-net.ne.jp>
Hack on NetBSD, and your code runs on 29 and more architectures!