Thank you Ronald, for step by step directions to boot Raspberry Pi 5.

I will follow your directions to boot on the Raspberry   Pi 500 keyboard 
model, ( which is based on the Raspberry Pi5 with a heat sink.   I am 
still puttering around.  I have the Ras Pi 500 booting Debian Raspberry 
Pi Linux Operating system.  Yes it is a D0 stepping of the BCM2712 D0.  
I need to connect a 3.3V USB serial port to capture the boot messages 
output from the Raspberry Pi 5.

https://wiki.freebsd.org/RonaldKlop/Raspberry%20Pi%205%2016GB Ronald 
Klop booting Raspberry Pi 5 16GB

Are you able to run a command:  'md5deep -zltr *' to audit the files and 
share the results?  I have placed my 'md5deep -zltr  *' results here in 
a blog post here

https://ghostbsd-arm64.blogspot.com/2025/10/freebsd-143-booting-freebsd-on.html

https://github.com/NumberOneGit/rpi5-uefi/releases   D0 stepping Raspi 5 
software

https://download.freebsd.org/releases/VM-IMAGES/14.3-RELEASE/aarch64/Latest/ 
Virtual Memory images

https://download.freebsd.org/releases/VM-IMAGES/14.3-RELEASE/aarch64/Latest/FreeBSD-14.3-RELEASE-arm64-aarch64-zfs.raw.xz 
Image that Ronald Klop used to create his Raspberry Pi 5 boot image

I connected a USB ethernet dongle.  Which Make and  Model.  What are the 
USB Vendor ID and Product ID for this USB ethernet dongle, Ronald?    I 
have available a Nintendo model.

   Thanks again for your help,  Ronald Klop.

Fred Louis Finster

https://ghostbsd-arm64.blogspot.com   Place I post Raspberry Pi FreeBSD 
Aarch64 blog posts. ( and GhostBSD-Arm64 builds)