Since no one seems to be running Raspberry Pi OS Bookworm 64-bit, I thought I share my experience with you. I've attached a couple of screen shots of the OS with the cinnamon desktop (my favorite) with sBitx running on my sBitx V3 board. The display used is a 9 inch 800x480 HDMI touchscreen display from attached to the sBitx's acrylic panel with epoxied standoffs. I don't know if I'll use either the touch screen or the rotary encoders since most everything can be done with a wheel mouse.
If anyone else is interested in running the sBitx on the Bookworm OS I can do a write-up and provide the modified Wiringpi-arm64.tgz file somehow. I would have liked to have used libpigpio instead of wiringPi but I didn't want to spend too much time on this so I cheated and fixed wiringPi so that it would work under the version 6 kernel.
I couldn't get dual HDMI monitors to work so I had to comment out the dtoverlay=vc4-kms-v3d line in config.txt. Otherwise, sbitx would not run because of the dreaded simple.c error from alsa sound. It probably has to do with HDMI audio being available on the monitor but I don't know enough about the alsa sound system to fix it. I also forced the Pi OS to use 800x480 mode for the display in the config.txt
JerryP
