Nvidia does not find all graphic crads

Folks, my debian with nvidia driver does not find all my cards:

manne@P106-100:~$ sudo nvidia-smi
Sun Mar 5 20:56:47 2023
±----------------------------------------------------------------------------+
| NVIDIA-SMI 470.161.03 Driver Version: 470.161.03 CUDA Version: 11.4 |
|-------------------------------±---------------------±---------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 NVIDIA P106-100 Off | 00000000:01:00.0 Off | N/A |
| 0% 58C P0 80W / 120W | 67MiB / 6080MiB | 35% Default |
| | | N/A |
±------------------------------±---------------------±---------------------+
| 1 NVIDIA P106-100 Off | 00000000:02:00.0 Off | N/A |
| 0% 50C P0 114W / 120W | 67MiB / 6080MiB | 47% Default |
| | | N/A |
±------------------------------±---------------------±---------------------+
| 2 NVIDIA P106-100 Off | 00000000:03:00.0 Off | N/A |
| 0% 49C P0 116W / 120W | 67MiB / 6080MiB | 50% Default |
| | | N/A |
±------------------------------±---------------------±---------------------+
| 3 NVIDIA P106-100 Off | 00000000:05:00.0 Off | N/A |
| 0% 55C P0 119W / 120W | 67MiB / 6080MiB | 100% Default |
| | | N/A |
±------------------------------±---------------------±---------------------+

±----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 1076 C ./lolMiner 65MiB |
| 1 N/A N/A 1076 C ./lolMiner 65MiB |
| 2 N/A N/A 1076 C ./lolMiner 65MiB |
| 3 N/A N/A 1076 C ./lolMiner 65MiB |
±----------------------------------------------------------------------------+

so well, where are # 4 to 8? i got 9 of these cards inside this machine…

os is debian bullseye, newly set up, before i was runing ubuntu with no issues.

anybody an idea what I did wrong?

did search google up and down, all kind of stuff shows up, but nothing did lead to anything.

thanks
regards,
Manne

nobody a clue?