To view these files, you need to have the kernel-source package
installed. You??™ll find the Cards file in /usr/src/linux*/Documentation/video4linux/
bttv/Cards on your Linux system. The Cards file applies to the Video4Linux bttv driver. In
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Running Applications Part IV
addition, look at all files starting with CARDLIST in /usr/src/linux*/Documentation/
video4linux/CARDLIST*.
Video4Linux is designed to autodetect your TV capture card and load the proper modules to activate
it. Install the TV-card hardware (with the appropriate connection to your TV reception), boot
Linux, and run the tvtime command as described in the next section. You should see video displayed
in your tvtime window.
If your card doesn??™t appear to be working, here are a few things you can try:
Check that your TV card was properly seated in its slot and detected by Linux by typing:
$ /sbin/lspci
This shows you a list of all valid PCI cards on your computer. If your card doesn??™t show
up, you probably have a hardware problem.
It is possible that the card is there but that the right card type is not being detected.
Improper detection is most likely if you have a card for which there are several revisions,
with each requiring a different driver. If you think your card is not being properly
detected, find your card in the CARDLIST files.
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