It would probably work to capture all 16 inputs through one /dev/video device, but in that case you would be leaving three out of the four bt878 chips on this card unused and you would have extremely low framerate due to input-switching delays. If you are using software such as ZoneMinder that can be configured to capture from multiple inputs on the same /dev/videoX device, be sure to only designate four inputs to each /dev/videoX device.
You will know that bttv was not loaded with the proper parameters if Composite0 is connected to video input 16 and video input 16 is the only input that works. Video input 1 is named Composite0 Video input 16 is named Composite15.
Use card=131,131,131,131 as a parameter to the bttv kernel module in order to use this card. This card unfortunately lacks the necessary PCI identification to be autodetected. To my knowledge, neither this functionality nor audio is currently working. I do not think this is actually for DVB functionality I am fairly sure that this is merely for passing one of the inputs through to a separate screen. The RCA connector on the left side is presumably for output to an analog screen.
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