On 19/01/2018 03:31 am, Jack Fearnley wrote:
> On Fri, 19 Jan 2018 00:00:37 +0000, Chris Elvidge wrote:
>
>> On 18/01/2018 07:28 pm, Jack Fearnley wrote:
>>> I just bought a RPi Zero. In order to connect a mouse and a keyboard
>>> for initial set up it needs a powered USB hub.
>>>
>>> This simply does not work.
>>>
>>> The system works with keyboard directly connected, or mouse directly
>>> connected.
>>>
>>> Keyboard alone or mouse alone connected via the hub does not work.
>>>
>>> The hub itself works fine when attached to my main desktop.
>>>
>>> One of the solutions would be to buy a keyboard with touch pad included
>>> but I don't want to do that since I would have no further use for it
>>> after initialization.
>>>
>>> I would appreciate any ideas anyone might have.
>>>
>>> Best Regards,
>>>                Jack Fearnley
>>>
>>>
>> Is it a USB3 powered hub? Reports around that Pi(USB2) -> Hub(USB3) ->
>> Keybd/Mouse(USB2) doesn't work. USB3 connected to hub works. Keybd/Mouse
>> connected to USB2 hub also works (I think!!)
>
> This looks like the answer!  I checked the hub I bought today and it is
> USB3. Details details!
>
> Jack
>

Looking at the RPi forum
(https://www.raspberrypi.org/forums/viewtopic.php?t=74695) "markatlnk"
(April 2014, so this is a known problem) reports that it is USB1.1
devices that are the problem when hooked to a USB3 hub. Keyboards/Mice
are normally 1.1 not 2, my mistake. He reckons USB2 devices work.


--

Chris Elvidge, England

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