EFI booting from external USB pen drive
Emmanuel Vadot
manu at bidouilliste.com
Thu Jul 5 14:49:35 UTC 2018
On 2018-07-05 16:30, Bjoern A. Zeeb wrote:
> Hi,
>
> while I can boot memstick images just fine (which are created using
> makefs/mkimg), doing the same thing using gpart/newfs_msdos -F 12/.. I
> am not able to get anything that boots.
What is the size for the fat12 partition ? Everything over ~30MB will
fail.
Go to fat16/fat32 with a size of 150MB just to be sure.
> On a Thinkpad (secure boot is off) from the “boot device chooser from
> ‘BIOS’” I get a quick blank screen and am back at the chooser. I’ve
> tried the gpart “thinkpad hack” as well as trying an MBR (why that
> should work I don’t know but the memstick one does) and GPT options of
> various kinds.
>
>
> Anyone successfully done this lately?
>
>
> /bz
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--
Emmanuel Vadot <manu at bidouilliste.com> <manu at freebsd.org>
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