Pico2000
From ZoneMinder Wiki
PICO2000 DVR card
The cheapest DVR card. With all 4 channels capturing you'll get around 2 fps. Available under lots of different brand names, like "Star Imavision Video Capture", etc... Generally stated as "Pico2000 compatible"
Configuration
in /etc/modprobe.conf
For one card:
options bttv card=77 tuner=4 radio=0 triton1=0 vsfx=0 autoload=0
For two cards:
options bttv card=77,77 tuner=4,4 radio=0,0 triton1=0 vsfx=0 autoload=0
And so on...