root@posi:~# dmesg | grep BBB
[    0.000000] Kernel command line: console=ttyo0,115200n8 root=/dev/mmcblk0p2 ro rootfstype=ext4 rootwait fixrtc quiet init=/lib/systemd/systemd capemgr.enable_partno=BB-UART1,BB-ADC,BBB-GPIO
[    0.355095] bone-capemgr bone_capemgr.9: Baseboard: 'A335BNLT,0A5C,2713BBBK1919'
[    0.480053] bone-capemgr bone_capemgr.9: enabled_partno part_number 'BBB-GPIO', version 'N/A', prio '0'
[    0.480089] bone-capemgr bone_capemgr.9: slot #9: 'Override Board Name,00A0,Override Manuf,BBB-GPIO'
[    0.487391] bone-capemgr bone_capemgr.9: loader: before slot-9 BBB-GPIO:00A0 (prio 0)
[    0.487404] bone-capemgr bone_capemgr.9: loader: check slot-9 BBB-GPIO:00A0 (prio 0)
[    0.487418] bone-capemgr bone_capemgr.9: loader: after slot-9 BBB-GPIO:00A0 (prio 0)
[    0.487432] bone-capemgr bone_capemgr.9: slot #9: Requesting part number/version based 'BBB-GPIO-00A0.dtbo
[    0.487446] bone-capemgr bone_capemgr.9: slot #9: Requesting firmware 'BBB-GPIO-00A0.dtbo' for board-name 'Override Board Name', version '00A0'
[    2.573413] bone-capemgr bone_capemgr.9: failed to load firmware 'BBB-GPIO-00A0.dtbo'
[    2.573439] bone-capemgr bone_capemgr.9: loader: failed to load slot-9 BBB-GPIO:00A0 (prio 0)
root@posi:~#