From owner-freebsd-current@freebsd.org  Fri Mar 23 21:16:35 2018
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Date: Fri, 23 Mar 2018 22:14:41 +0100
From: "Thomas Schmitt" <scdbackup@gmx.net>
To: freebsd-hackers@freebsd.org
Subject: Re: Testing requested: Hybrid ISO/USB boot
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Cc: freebsd-current@freebsd.org
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Hi,

i wrote:
> > If byte 38977 (decimal) was 0xef rather than 0x00, then it would be marked
> > as an El Torito boot image for EFI.

Benno Rice wrote:
> I’ve regenerated the image here:
> https://people.freebsd.org/~benno/hybrid-bootonly-20180323-00.iso.xz

Looks better now:

  El Torito images   :   N  Pltf  B   Emul  Ld_seg  Hdpt  Ldsiz         LBA
  El Torito boot img :   1  BIOS  y   none  0x0000  0x00      4          20
  El Torito boot img :   2  UEFI  y   none  0x0000  0x00   1600          24


Have a nice day :)

Thomas