Anyone managed to get the latest Centos image to boot via USB rather than microSD Card. I'm trying the following image

 - CentOS-Userland-7-armv7hl-RaspberryPI-Minimal-1804-sda.raw.xz

It works find on a 16 GB MicroSD card

I've confirmed that the USB Boot mode is enabled based on

 - https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.md

# vcgencmd otp_dump | grep 17:
17:3020000a

Steven

--