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From: Mark Millard <markmi@dsl-only.net>
Subject: FYI: rpi3 can boot from USB Mass Storage Device
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Date: Sun, 14 Aug 2016 04:56:56 -0700
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The following gives instructions for a raspbian context for enabling =
"USB boot mode" on an rpi3:

=
https://github.com/raspberrypi/documentation/blob/master/hardware/raspberr=
ypi/bootmodes/msd.md

Getting the "OTP" programmed to enable the mode is done via a SD card =
boot but after that a USB storage device can be used instead.

=3D=3D=3D
Mark Millard
markmi at dsl-only.net