USB buses [was: Re: [linux-audio-user] maudio quattro...]

Frank Barknecht fbar at
Thu Jun 10 15:00:39 EDT 2004

Sampo Savolainen hat gesagt: // Sampo Savolainen wrote:

> If the hard drive and the Quattro are on the same bus (usb controller),
> I don't think there is any chance of getting that working. But, your
> computer probably has more than one usb bus. If the devices are
> connected to different busses, then it should work fine if the driver
> isn't crap. I haven't tried this, so I cannot confirm this though.
> At least on my motherboard, the usb plugs for the front panel are
> connected to one bus, and the ones in the back are connected to another
> one.

Is there a way to find out how many buses there with things like
lsusb? Or being concrete again: Does this output mean, that I have two
busses, that should be able to provide the double bandwidth?

$ /usr/sbin/lsusb 
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 002: ID 0547:1002 Anchor Chips, Inc. 
Bus 001 Device 001: ID 0000:0000  

This would be interesting as I might consider using some data
intensive devices on one bus while the other is taken by the

 Frank Barknecht                               _ ______footils.org__

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