QA403 ADC overflow

[matt]

Hi @tspacker, you might see if your bios has an update available. See thread below.

QA403 non-voltage related dropouts

Hi @DaveD, thanks for the update! I think the focus should be getting 48k pristine, and then moving on to other sample rates. The USB code in the releases hasn’t been touched in a long time, so I don’t think you’ll see a difference bouncing between the various recent releases. First, can you verify that the USB voltage reported by the QA40x app isn’t showing orange or red? This can be done with a 20 awg cable as you’ve done and if that isn’t solving the issue completely, then try using a powere…