Just as a final update on my scenario, I tried with two other USB-B mini cables on two different machines (also on both Windows and Linux) and every time the OS couldn't find the device. I'm putting this down as completely corrupted firmware.
Just as a final update on my scenario, I tried with two other USB-B mini cables on two different machines (also on both Windows and Linux) and every time the OS couldn't find the device. I'm putting this down as completely corrupted firmware.