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Re: [pwc] hub problem

To: Philips Webcam Linux Driver <>
Subject: Re: [pwc] hub problem
From: Information <>
Date: Thu, 13 Oct 2005 19:38:57 +0200
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> I'm trying to connect my cam (Philips PCVC680k) to an NSLU2.
> This works like a charm if I directly connect the cam to the NSLU2.
> However if I connect the cam through my Conceptronic hub I cannot grab 
> pictures any more with vidcat.
> The hub is a USB 2.0 hub. I have not have problems with any other device with 
> this hub.
> It also goes wrong if there are no other devices besides the cam connected to 
> the hub.
> Anyone any idea what could be wrong here?

A few months ago i bought a Conceptronic USB-Hub to connect
my PCVC680 and/or PCVC740. Both cams failed too. This hub
seems to work with keyboards, mice, etc. but all devices
which may send a whole bunch of data (like scanners!) are
very unstable with this hub.

I switched to a USB-pci-card with NEC-Chip and all problems
where gone. I decided not to buy those low-cost devices any-
more :-/

BTW: System runs gentoo-linux.

> (PS: is this cam a USB 1.1 or USB 2.0 device?)

USB 1.1

Cheers
 -Rolf

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