[MinnowBoard] Board is DOA?

[Peter Bolch]

Am 12.11.2014 um 21:03 schrieb David Anders:
> Peter,
>
>
>> On November 12, 2014 at 2:01 PM Peter Bolch<peter.bolch at t-online.de>  wrote:
>>
>>
>> Am 12.11.2014 um 20:40 schrieb Jack Truong:
>>> I only see one blue light where D1 is labelled. The board is connected
>>> to a regular monitor and I don't believe there's any OS loaded but I
>>> do have a copy of Debian in the USB port.
>>>
>> I had the same effect using a lab power supply (5 V, 5 A). With an
>> inexpensive 5 V 2 A power supply everthing is ok.
> interesting! perhaps the bench suppy had current limiting enabled at a low
> setting?
>
> Dave
>
>
>> Peter
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Hi Dave,


current limit was set to the maximum. Maybe there was a ground loop as 
the lab power supply has a protective earth conductor and the 
Minnowboard is also connected to protective earth via a KVMP switch and 
the PC.

Peter