Vince Coen wrote:

> I use a 3B+ sitting in a x830 box and card with a 1TB dasd  .
> The drive has the Rasbian installed and it powers up, boots to the the USB
> drive.

Yes, but last I checked, the 4B was waiting for a firmware upgrade to
let it boot from something *other* than an SD card

<https://www.raspberrypi.org/documentation/hardware/raspberrypi/bootmodes/msd.m
d>

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