[ARMini-support] USB hubs and switching hubs

Greetings, comrades in ARMs,

I need to buy a USB hub for my Raspberry-Pi which will work with my 
BeagleBoard too, possibly at the same time. For the latter, the hub 
needs to be a switching hub. I already have a 7-port hub, powered via 
transformer from the mains, for my BeagleBoard, but it is not a 
switching one. So I am seeking advice for hubs that will work well 
with RISC OS and Linux.

First idea is to get a powered (by power pack) 4-port hub (the 
Raspberry-Pi doesn't need so many ports as my non-xM BeagleBoard as it 
has a network socket and two USB sockets) to work with the 
Raspberry-Pi and, possibly, a Pandaboard if I get one.

Second idea is to get a 7-port switching hub, again with power pack, 
to use with any two of BeagleBoard, Raspberry-Pi, Iyonix and 
PandaBoard.

Most of the ones I see at Farnells, RS-Online or Maplins seem to be 
either powered via a USB cable from another computer or powered only 
by its data lines, but these development boards need hubs powered from 
a source of higher amps.

Are Cerulian hubs any good?

Cheers,
David Lane

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