Hey T,

I encountered a problem similar to this in the past with a Minnowboard Max. If 
you press the reset switch (S700 I believe), is the NUC able to see the B210 
(instead of unplugging USB)? I had to do this if I had a B200 plugged into the 
Minnowboard while it booted.

The solution we came up with was to install a larger capacitor in parallel with 
C716/S700. I recall installing a 100uF capacitor. This allowed some extra time 
before the Cypress USB chip on the B200 powered up and it would work normally 
after a cold boot.

Obviously, if you want to try I assume it will void your warranty on the B210, 
so proceed at your own risk.

I think B200mini alleviated this ‘issue’ as it has a reset supervisor (TPS3801).

-Trip



From: USRP-users [mailto:usrp-users-boun...@lists.ettus.com] On Behalf Of 
"Tathagata (T)" via USRP-users
Sent: Tuesday, October 31, 2017 12:09 AM
To: usrp-users@lists.ettus.com
Subject: [USRP-users] Problems with Ettus B210 and Intel Nuk

Hi,

We have a problem with Ettus B210 on an Intel Nuk. Briefly when we plug in the 
SDR into the USB port of the Intel Nuk, it is not recognized. The Nuk is 
running Ubuntu 16.04. The attached document details the debugging steps that we 
have taken and the errors that we are getting.  We never had this problem 
before and it suddenly started and we have no clue as to what is going wrong. 
Any help would be highly appreciated.

Thanks
T


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