@michaing Sorry for the late answer.
root@DietPi:~# df
Dateisystem 1K-Blöcke Benutzt Verfügbar Verw% Eingehängt auf
/dev/root 118512728 21074064 92601664 19% /
devtmpfs 1935720 0 1935720 0% /dev
tmpfs 1969512 14668 1954844 1% /dev/shm
tmpfs 787808 73372 714436 10% /run
tmpfs 5120 0 5120 0% /run/lock
tmpfs 1024 0 1024 0% /run/credentials/systemd-journald.service
tmpfs 1968128 8 1968120 1% /tmp
tmpfs 51200 32 51168 1% /var/log
/dev/sda1 258095 55126 202969 22% /boot
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/94b478378ec081ab059948bd912e8449f0e2be9499fdcd4b495ee63efdbe414a/merged
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/31a4a4d1e96c94e03e4d8b29cd3951f703a7f9a465349594f7ef14d0cb9b009b/merged
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/bcdceb20243db37156dbee181eedfef80ba867075774b283e8b73ce4ae5c4a73/merged
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/1e2225e9cf6346dd9307ad1d0acf9c6d351b910da01ac89e5dc052e61a2654ab/merged
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/852e8e0f51da152fd5b8014dbac3b6537f66b9d68050980f7857fbc7fca9974e/merged
tmpfs 1024 0 1024 0% /run/credentials/getty@tty1.service
//10.1.1.200/public 17263253948 7838225712 9425028236 46% /mnt/samba
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/f88e608b8bd7ce267d27cb4a689e86402ebfc2d0856adbe14ec72a7231a8b9d7/merged
overlay 118512728 21074064 92601664 19% /mnt/dietpi_userdata/docker-data/overlay2/ea531e9af491bd30380eb2cd1912dce4054b8f11db7622b6f61a6f055fa6583d/merged
root@DietPi:~# cat /etc/fstab
# You can use "dietpi-drive_manager" to setup mounts.
# NB: It overwrites and re-creates physical drive mount entries on use.
#----------------------------------------------------------------
# NETWORK
#----------------------------------------------------------------
//10.1.1.200/public /mnt/samba cifs cred=/var/lib/dietpi/dietpi-drive_manager/mnt-samba.cred,iocharset=utf8,uid=dietpi,gid=dietpi,file_mode=0770,dir_mode=0770,vers=3.1.1,nofail,noauto,x-systemd.automount
#----------------------------------------------------------------
# TMPFS
#----------------------------------------------------------------
tmpfs /tmp tmpfs size=1922M,noatime,lazytime,nodev,nosuid,mode=1777
tmpfs /var/log tmpfs size=50M,noatime,lazytime,nodev,nosuid
#----------------------------------------------------------------
# MISC: ecryptfs, vboxsf, glusterfs, mergerfs, bind, Btrfs subvolume
#----------------------------------------------------------------
/boot /boot/firmware none bind 0 0
#----------------------------------------------------------------
# SWAP SPACE
#----------------------------------------------------------------
#----------------------------------------------------------------
# PHYSICAL DRIVES
#----------------------------------------------------------------
PARTUUID=8f4dbd00-02 / ext4 noatime,lazytime,rw 0 1
PARTUUID=8f4dbd00-01 /boot vfat noatime,lazytime,rw 0 2
root@DietPi:~# dpkg -l raspi-firmware
Gewünscht=Unbekannt/Installieren/R=Entfernen/P=Vollständig Löschen/Halten
| Status=Nicht/Installiert/Config/U=Entpackt/halb konFiguriert/
Halb installiert/Trigger erWartet/Trigger anhängig
|/ Fehler?=(kein)/R=Neuinstallation notwendig (Status, Fehler: GROSS=schlecht)
||/ Name Version Architektur Beschreibung
+++-==============-==============-============-================================================
ii raspi-firmware 1:1.20250430-4 all Raspberry Pi family GPU firmware and bootloaders
root@DietPi:~# ls -l /boot
insgesamt 52387
-rwxr-xr-x 1 root root 23946 1. Okt 2019 bcm2708-rpi-b.dtb
-rwxr-xr-x 1 root root 24205 1. Okt 2019 bcm2708-rpi-b-plus.dtb
-rwxr-xr-x 1 root root 23723 1. Okt 2019 bcm2708-rpi-cm.dtb
-rwxr-xr-x 1 root root 23671 1. Okt 2019 bcm2708-rpi-zero.dtb
-rwxr-xr-x 1 root root 24407 1. Okt 2019 bcm2708-rpi-zero-w.dtb
-rwxr-xr-x 1 root root 25293 1. Okt 2019 bcm2709-rpi-2-b.dtb
-rwxr-xr-x 1 root root 32495 26. Jun 11:35 bcm2710-rpi-2-b.dtb
-rwxr-xr-x 1 root root 34687 26. Jun 11:35 bcm2710-rpi-3-b.dtb
-rwxr-xr-x 1 root root 35322 26. Jun 11:35 bcm2710-rpi-3-b-plus.dtb
-rwxr-xr-x 1 root root 33676 26. Jun 11:35 bcm2710-rpi-cm0.dtb
-rwxr-xr-x 1 root root 32258 26. Jun 11:35 bcm2710-rpi-cm3.dtb
-rwxr-xr-x 1 root root 33664 26. Jun 11:35 bcm2710-rpi-zero-2.dtb
-rwxr-xr-x 1 root root 33664 26. Jun 11:35 bcm2710-rpi-zero-2-w.dtb
-rwxr-xr-x 1 root root 56243 26. Jun 11:35 bcm2711-rpi-400.dtb
-rwxr-xr-x 1 root root 56239 26. Jun 11:35 bcm2711-rpi-4-b.dtb
-rwxr-xr-x 1 root root 56760 26. Jun 11:35 bcm2711-rpi-cm4.dtb
-rwxr-xr-x 1 root root 39913 26. Jun 11:35 bcm2711-rpi-cm4-io.dtb
-rwxr-xr-x 1 root root 53502 26. Jun 11:35 bcm2711-rpi-cm4s.dtb
-rwxr-xr-x 1 root root 78439 26. Jun 11:35 bcm2712d0-rpi-5-b.dtb
-rwxr-xr-x 1 root root 78431 26. Jun 11:35 bcm2712-d-rpi-5-b.dtb
-rwxr-xr-x 1 root root 78391 26. Jun 11:35 bcm2712-rpi-500.dtb
-rwxr-xr-x 1 root root 78435 26. Jun 11:35 bcm2712-rpi-5-b.dtb
-rwxr-xr-x 1 root root 79149 26. Jun 11:35 bcm2712-rpi-cm5-cm4io.dtb
-rwxr-xr-x 1 root root 79215 26. Jun 11:35 bcm2712-rpi-cm5-cm5io.dtb
-rwxr-xr-x 1 root root 79190 26. Jun 11:35 bcm2712-rpi-cm5l-cm4io.dtb
-rwxr-xr-x 1 root root 79256 26. Jun 11:35 bcm2712-rpi-cm5l-cm5io.dtb
-rwxr-xr-x 1 root root 52476 30. Aug 16:16 bootcode.bin
-rwxr-xr-x 1 root root 142 26. Sep 2023 cmdline.txt
-rwxr-xr-x 1 root root 249091 26. Jun 11:35 config-6.12.34+rpt-rpi-v8
-rwxr-xr-x 1 root root 1601 23. Jun 23:14 config.txt
-rwxr-xr-x 1 root root 18693 1. Okt 2019 COPYING.linux
drwxr-xr-x 4 root root 3584 30. Aug 15:23 dietpi
-rwxr-xr-x 1 root root 13252 1. Apr 2024 dietpi.txt
-rwxr-xr-x 1 root root 3950 1. Jan 1980 dietpi-wifi.txt
drwxr-xr-x 5 root root 5632 1. Jan 1970 firmware
-rwxr-xr-x 1 root root 3230 30. Aug 16:16 fixup4cd.dat
-rwxr-xr-x 1 root root 5456 30. Aug 16:16 fixup4.dat
-rwxr-xr-x 1 root root 8449 30. Aug 16:16 fixup4db.dat
-rwxr-xr-x 1 root root 8449 30. Aug 16:16 fixup4x.dat
-rwxr-xr-x 1 root root 3230 30. Aug 16:16 fixup_cd.dat
-rwxr-xr-x 1 root root 7325 30. Aug 16:16 fixup.dat
-rwxr-xr-x 1 root root 10294 30. Aug 16:16 fixup_db.dat
-rwxr-xr-x 1 root root 10290 30. Aug 16:16 fixup_x.dat
-rwxr-xr-x 1 root root 145 13. Nov 2018 issue.txt
-rwxr-xr-x 1 root root 5310800 1. Okt 2019 kernel7.img
-rwxr-xr-x 1 root root 9666917 30. Aug 17:01 kernel8.img
-rwxr-xr-x 1 root root 5026968 1. Okt 2019 kernel.img
-rwxr-xr-x 1 root root 1594 30. Aug 16:16 LICENCE.broadcom
-rwxr-xr-x 1 root root 18974 13. Nov 2018 LICENSE.oracle
drwxr-xr-x 2 root root 32768 4. Jul 14:24 overlays
-rwxr-xr-x 1 root root 814140 30. Aug 16:16 start4cd.elf
-rwxr-xr-x 1 root root 3762408 30. Aug 16:16 start4db.elf
-rwxr-xr-x 1 root root 2263968 30. Aug 16:16 start4.elf
-rwxr-xr-x 1 root root 3011592 30. Aug 16:16 start4x.elf
-rwxr-xr-x 1 root root 814140 30. Aug 16:16 start_cd.elf
-rwxr-xr-x 1 root root 4834408 30. Aug 16:16 start_db.elf
-rwxr-xr-x 1 root root 2988128 30. Aug 16:16 start.elf
-rwxr-xr-x 1 root root 3735336 30. Aug 16:16 start_x.elf
-rwxr-xr-x 1 root root 83 26. Jun 11:35 System.map-6.12.34+rpt-rpi-v8
-rwxr-xr-x 1 root root 9666917 26. Jun 11:35 vmlinuz-6.12.34+rpt-rpi-v8