On 20/06/2020 21:45, A. Dumas wrote:
> Brian Gregory wrote:
>> On 20/06/2020 10:06, Chris Green wrote:
>>> Brian Gregory wrote:
>>>> AIUI the issue is just that if you don't use the Raspberry pi branded
>>>> power supply the Pi may not be able to draw enough power to work.
>>>>
>>>> Just use the proper power supply and you're fine.
>>>>
>>> It doesn't have to be "the Raspberry pi branded power supply", any
>>> power supply with the required current capability will do.  Actually,
>>> more to the point, a USB *cable* which can carry the current without
>>> too much voltage drop is necessary.
>>>
>>> I was recently setting up a Pi to run continuously as my local DNS
>>> server and found most cables couldn't run the Pi satifactorily. That's
>>> 'most' as in about three out four cables I tried.  I wonder if it's
>>> mostly the cable that comes with the "the Raspberry pi branded power
>>> supply" is what makes it work [more] reliably.
>>
>> Do try and keep up at the back.
>>
>>
https://hackaday.com/2019/07/16/exploring-the-raspberry-pi-4-usb-c-issue-in-dep
th/
>>
https://www.theverge.com/2019/7/10/20688655/raspberry-pi-4-usb-c-port-bug-e-mar
ked-cables-audio-accessory-charging
>> https://www.raspberrypi.org/forums/viewtopic.php?t=249975
>
> Indeed. I am glad that you yourself caught up, too. Unless there are two
> Brian Gregorys posting ;)
>

You disagree with my previous, possibly over simplified, summary of the
situation re USB C power supplies and the Pi 4?

--
Brian Gregory (in England).

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