Re: [Discuss-gnuradio] B200mini USB 3.0 Detection Issues

[Marcus D. Leech]

On 02/05/2016 03:06 PM, Chris Kuethe wrote:
> I'm going to guess the root cause is power:
> - I recently heard some folks wishing for an external power connector
> for their minis due to power issues.
> - My B200 will brown out on a 6ft cable, and usually works fine on the 3ft
> - My laptop will switch from charging to discharging when I push the B200 hard
> - My laptop often fails to negotiate USB3 when on batteries, falling
> back to USB2
> - Powering my B200 with an external supply makes all of these issues go away.
>
> Also, you can just use uhd_usrp_probe to load the firmware and test
> the connection... might be a little bit quicker than using
> gnuradio-companion.
To that end, there are Y-cables for USB-3.0 that allow you to get power 
from two ports at once, although data only goes over 1 port.
  Might be worth a try.