On Tue, Jun 26, 2018 at 07:25:48AM +0200, Didier Kryn wrote:
> Le 25/06/2018 à 20:23, Hendrik Boom a écrit :
> >I used dd to copy the installer iso to a USB stck on my old laptop:
> >
> >dd bs=4M if=devuan_ascii_2.0.0_amd64_netinst.iso of=/dev/sdb status=progress && sync
> >
> >Then I moved the USB stick to my new Purism laptop, powered it up,
> >pressed esacpe to get a boot menu, and the USB stick was not recognised
> >as a boot device.
> >
> >Is there something that needs to be done to the ISO before putting it on
> >the USB stick? Or is the dd command wrong? I remember that years ago
> >it had to be modified somehow in order to boot, but I thought that had been fixed long
> >long ago. Something like prefixing it with a recognisable boot record?
> >
> >Sorry for not testing this in the beta days, but I didn't have the new
> >computer yet.
> >
>
>     It seems you did it all well. Either your BIOS does not support
> reading an iso9660 filesystem from an USB stick, or you just need to
> allow it to boot from USB (in the BIOS menu). BTW, sync is useless:
> dd is a synchronous connand, AFAIK.

It will boot the Purism installer from a USB stick if I use the same
steps, starting wth the Purism ISO file, of course.

So there is something else going on.

The Purism hardware uses Coreboot, by the way.

-- hendrik