FWIW, installing 2022-09-06-raspios-bullseye-arm64-lite.img (and therefor no desktop) produced the same results with the 4mic board not being recognized. So it would appear that an desktop software/installation is not related to the issue.
FWIW, installing 2022-09-06-raspios-bullseye-arm64-lite.img (and therefor no desktop) produced the same results with the 4mic board not being recognized. So it would appear that an desktop software/installation is not related to the issue.