You might try loading the module with fps=5 and compression=3 [*], and making sure that pwcx-i386 is loaded (kernel gpl taint not withstanding) That could help you on the bandwidth side... Mark [*] I just have the following in modules.conf (having put pwcx-i386.o in /lib/modules). The dev_hint is so the bttv board gets 81:0 and the camera 81:1, even if bttv isn't loaded when I access the cam... options pwc power_save=1 fps=5 compression=3 trace=0 dev_hint=1 post-install pwc /sbin/insmod -f /lib/modules/pwcx-i386.o pre-remove pwc /sbin/rmmod pwcx-i386 On Tue, 12 Mar 2002, V wrote: > Date: Tue, 12 Mar 2002 18:01:44 +0100 > From: V <maury@xxxxxxxxxxx> > Reply-To: video4linux-list@xxxxxxxxxx > To: video4linux-list@xxxxxxxxxx > Subject: Re: using 2 cameras... > > The same problem happens to me on my laptop ohci port, but I can get two > images on my desktop uhci port. Some body told me that the camera drivers > gets the entire USB bandwidth, and a second camera can not get any > bandwidth. One way around is to have a second USB port, or buy a card that > has each USB port separate (not shared). > > Ted > > > Thank you, actually I don't know weither my ports are separated or not. I > have two of them, that's all I can tell ! > how could I check this ? > Thanks again, > > Vincent -- +-------------------------------------------------------------------------+ Mark Cooke The views expressed above are mine and are not Systems Programmer necessarily representative of university policy University Of Birmingham URL: http://www.sr.bham.ac.uk/~mpc/ +-------------------------------------------------------------------------+