Trouble running rpiboot -- HA Yellow + CM5

I am struggling with running rpiboot with an HA Yellow + CM5 setup. I am using a Macbook Pro M3 to complete the process. Details:

  1. HA Yellow seems to be powered on properly (I’m using PoE). Solid red light.
  2. I’ve followed the official instructions including building rpiboot from source code.
  3. When I run sudo ./rpiboot -d mass-storage-gadget64 as instructed, I get the following error:
RPIBOOT: build-date Jan 25 2025 version 20240422~085300 798ea2ef
If the device fails to connect then please see https://rpltd.co/rpiboot for debugging tips.
No 'bootcode' files found in 'mass-storage-gadget64'

The contents of mass-storage-gadget64 are:

README.md 
boot.img 
config.txt 
reset.sh
sign.sh

I’m not sure what I’m doing wrong in the build process. Thanks for any help!

Would also be interested in a solution - I am stuck at the same place right now.

Try this one:

That did the trick. Thank you so much Matthias!

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