Hi,
When connected to USB the 3.3v & 5v LEDs light up solid.
When connected to 24 VDC all four LEDs light up solid.
When you connect it to a PC and then go to device manager the icon is a yellow triangle. The error is device descriptor request failed. I have tried uninstalling the device. Power on-off cycling the pc, isolating the pc from ground, and through multiple powered hubs and usb-port clusters.
There are no COM ports present in BOSSA or SAM-BA. I have now tried the with multiple windows machines and the result is the same.
Here is a link to an image of the board: (I am on mobile and cannot upload here.)
Cheers,
Peyton