Hi, welcome to the forum.
Look in the output of the command 'dmesg', here's mine:
Code:
[ 6.459818] saa7130/34: v4l2 driver version 0.2.15 loaded
[ 6.480281] saa7134 0000:01:06.0: PCI INT A -> Link[APC1] -> GSI 16 (level, low) -> IRQ 16
[ 6.480287] saa7133[0]: found at 0000:01:06.0, rev: 209, irq: 16, latency: 32, mmio: 0xfdffe000
[ 6.480292] saa7133[0]: subsystem: 17de:7253, board: Philips Tiger reference design [card=81,insmod option]
[ 6.480354] saa7133[0]: board init: gpio is 100
[ 6.480363] IRQ 16/saa7133[0]: IRQF_DISABLED is not guaranteed on shared IRQs
[ 7.084015] saa7133[0]: i2c eeprom 00: de 17 53 72 ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084023] saa7133[0]: i2c eeprom 10: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084030] saa7133[0]: i2c eeprom 20: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084036] saa7133[0]: i2c eeprom 30: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084042] saa7133[0]: i2c eeprom 40: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084048] saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084054] saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084060] saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084066] saa7133[0]: i2c eeprom 80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084072] saa7133[0]: i2c eeprom 90: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084078] saa7133[0]: i2c eeprom a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084084] saa7133[0]: i2c eeprom b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084090] saa7133[0]: i2c eeprom c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084096] saa7133[0]: i2c eeprom d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084102] saa7133[0]: i2c eeprom e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.084108] saa7133[0]: i2c eeprom f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 7.325329] tuner 1-004b: chip found @ 0x96 (saa7133[0])
[ 11.384079] saa7133[0]: registered device video0 [v4l2]
[ 11.384104] saa7133[0]: registered device vbi0
[ 11.384127] saa7133[0]: registered device radio0
[ 11.556062] DVB: registering new adapter (saa7133[0])
[ 12.323389] saa7134 ALSA driver for DMA sound loaded
[ 12.323401] IRQ 16/saa7133[0]: IRQF_DISABLED is not guaranteed on shared IRQs
[ 12.323425] saa7133[0]/alsa: saa7133[0] at 0xfdffe000 irq 16 registered as card -1
Also post the output of 'lspci', list pci stuff.
TV capture cards are quite technical as you probably know.