[plug] USB ports

[Richard Meyer]

On Fri, 2006-03-31 at 09:03 -0800, Jason Nicholls wrote:
> Hey Richard,
> 
> > Stupid question, but are I've bought a "VOIP USB Phone" which is
> > (supposedly) perfect for Skype and others.
> > 
> > It seems to work fine under W2K., except that the sound quality is crap,
> > and the ring tones don't get out AND the screen doesn't light up - which
> > suggests to me that the USB ports I have plugged it in to may not be
> > powered.
> > 
> > Question : are all USB motherboard ports powered? Are any of them
> > powered? What do I do? Buy a USB powered hub?
> 
> All USB motherboard ports should be powered, although some might include
> a non-powered hub in the form of a AT expansion slot or drive plate.
> Don't know in those cases...
> 
> I found that for some reason under linux you may not be able to draw
> enough power from the ports though. For example, I have a blackberry and
> it won't charge when plugged in under linux (the BB pops up an error
> message with "USB charging current is not sufficient"). However, if I
> boot to windows on the same laptop it charges fine. Perhaps your VoIP
> phone is a high powered device that has a similar problem. Do you have
> another host not running linux with USB ports you could test it out on?

It works under Windows, except for the above problems - Linux sees it
and does things in for it, but I haven't actually used it there. Seems
like I should see if anybody I know has a powered USB hub, and give it a
go, there.

 Thanks
> 
> Unfortunately figuring out what's going wrong here has been low on my
> list of priorities so I have no idea what the real issue is :)
> 
> 
> Jason Nicholls
> --------------------------------------------------------------------
> Jason Nicholls                     email: <jason at mindsocket.com.au>
> http://jason.mindsocket.com.au/     cell: 206 310 4239 (US)
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-- 
Richard Meyer <meyerri at westnet.com.au>