Detecting USB devices at startup?

[Krassimir Slavchev]

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Bernd Walter wrote:
...
> I'm still a bit surprised, since there are so many noname hubs with
> fat wallwarts.

I have found such 4 port hub and I will make test as soon as receive it.
...

> Interesting, so they run everything linear regulated from 5V.
> Sounds like a lot of power loss, but their board is different and
> maybe they have more 5V components.

No, but there is an IDE interface.

> My board only needs 5V for USB, so I never saw the need for efficient
> 5V and prefered efficient 3,3V, which is also quite loaded from the
> switch.
> 

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