~$ uname -a
Linux Ubuntu1 5.4.0-1034-raspi #37-Ubuntu SMP PREEMPT Mon Apr 12 23:14:49 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
Imaged this through the Raspian Imager after selecting the 20.4.02. Server LTS for ARM64
~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
|__ Port 1: Dev 5, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 1: Dev 6, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 2: Dev 9, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 3: Dev 10, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 3: Dev 15, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 16, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 1: Dev 11, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 12, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 4: Dev 8, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 2: Dev 19, If 0, Class=Hub, Driver=hub/3p, 5000M |__ Port 1: Dev 20, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 1: Dev 17, If 0, Class=Hub, Driver=hub/3p, 5000M |__ Port 1: Dev 18, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 2: Dev 13, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 14, If 0, Class=Mass Storage, Driver=uas, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 30, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 31, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 34, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 2: Dev 38, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 3: Dev 42, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 4: Dev 32, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 2: Dev 50, If 0, Class=Hub, Driver=hub/3p, 480M |__ Port 1: Dev 46, If 0, Class=Hub, Driver=hub/3p, 480M
~$ uname -a
Linux Ubuntu1 5.4.0-1034-raspi #37-Ubuntu SMP PREEMPT Mon Apr 12 23:14:49 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
Imaged this through the Raspian Imager after selecting the 20.4.02. Server LTS for ARM64
~$ lsusb -t
| __ Port 1: Dev 20, If 0, Class=Mass Storage, Driver=uas, 5000M
| __ Port 1: Dev 18, If 0, Class=Mass Storage, Driver=uas, 5000M
| __ Port 2: Dev 50, If 0, Class=Hub, Driver=hub/3p, 480M
| __ Port 1: Dev 46, If 0, Class=Hub, Driver=hub/3p, 480M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
|__ Port 1: Dev 5, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 1: Dev 6, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 2: Dev 9, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 3: Dev 10, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 4: Dev 7, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 3: Dev 15, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 16, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 1: Dev 11, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 12, If 0, Class=Mass Storage, Driver=uas, 5000M
|__ Port 4: Dev 8, If 0, Class=Hub, Driver=hub/4p, 5000M
|__ Port 2: Dev 19, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 17, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 2: Dev 13, If 0, Class=Hub, Driver=hub/3p, 5000M
|__ Port 1: Dev 14, If 0, Class=Mass Storage, Driver=uas, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 30, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 31, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 1: Dev 34, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 2: Dev 38, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 3: Dev 42, If 0, Class=Hub, Driver=hub/3p, 480M
|__ Port 4: Dev 32, If 0, Class=Hub, Driver=hub/4p, 480M