This is my result.
When connecting a mac machine and A90D with a USB cable.
The drive is not displayed.
"-2" is displayed on the A90D display.
The firmware cannot be updated.
1, macOS 10.13.6 macbookpro, retina, 15-inch, Late2013
2, macOS 10.15.7 macbookair, 11-inch, Mid 2012
Amazon Basics USB-C to USB-A Cable 3 Feet. All USB ports. Connect AC adapter
When the windows machine and A90D are connected with a USB cable.
A drive "TOPPING FW" is displayed.
The A90D doesn't shine anywhere.
The firmware has been updated to "VER23".
1, asus board desktop windows10pro 64bit
2, hp laptop windows10pro 64bit
Amazon Basics USB-C to USB-A Cable 3 Feet. All USB ports.
When connecting a mac machine and A90D with a USB cable.
The drive is not displayed.
"-2" is displayed on the A90D display.
The firmware cannot be updated.
1, macOS 10.13.6 macbookpro, retina, 15-inch, Late2013
2, macOS 10.15.7 macbookair, 11-inch, Mid 2012
Amazon Basics USB-C to USB-A Cable 3 Feet. All USB ports. Connect AC adapter
When the windows machine and A90D are connected with a USB cable.
A drive "TOPPING FW" is displayed.
The A90D doesn't shine anywhere.
The firmware has been updated to "VER23".
1, asus board desktop windows10pro 64bit
2, hp laptop windows10pro 64bit
Amazon Basics USB-C to USB-A Cable 3 Feet. All USB ports.