Sorry for the noise, I missread the OP‘s message (my fault) ;-) As far as I can remember the G4‘s did not support to boot from USB drives.
Christoph R. Winter > Am 13.06.2021 um 13:08 schrieb Navan Carson <na...@airpost.net>: > > > >> On Jun 10, 2021, at 8:04 AM, Samuel VISCAPI <samuel.visc...@no-log.org> >> wrote: >> >> Dear all, >> >> First post on this mailing-list :) >> >> I attempted yesterday to install OpenBSD 6.9 on an iBook G4 / PowerBook >> 6,7 (currently running MorphOS) with an USB drive. I downloaded this >> image: https://cdn.openbsd.org/pub/OpenBSD/6.9/macppc/install69.iso and >> dd'ed it on GNU/Linux Debian 11 x86_64 to a working USB drive with the >> following command: >> >> dd if=/path/to/install69.iso of=/dev/sda >> >> Once the image properly copied to the USB > > Do the .iso files work when written to a USB drive? Other architectures have > .img files for that.