On Sat, 14 Jul 2007 22:14:46 -0400 Jeffrey Ross <jeff@xxxxxxxxxx> wrote: > Before I stick a second card in the machine I figured I'd ask what to > watch out for. I'm going to stick a second audio card in the > machine, this card will only have its line input used, I will not be > using its line output for anything. How do I configure the system to > use the built in card for output audio but this second card for input > audio? > > TIA, Jeff > This question is a frequently asked question. Do a search for "linux modprobe audio" and you should get lots of answers. You basically have to set the order in your /etc/modprobe.conf so the cards have fixed order you can depend on. Then you can use the configuration tools to turn on and off what you want - (alsamixer and relatives).