That page is for the Pi 4; it has a somewhat different boot setup than earlier versions. Instructions for USB boot on Pi 2 and 3 variants are here; this has be

That page is for the Pi 4; it has a somewhat different boot setup than earlier versions. Instructions for USB boot on Pi 2 and 3 variants are here; this has been officially supported for a few years now (Pi 4 took longer because its boot process is different): https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md https://www.raspberrypi.org/documentation/hardware/raspberry...