all boards:Brooktree Bt848/848A/849/878/879: video capture chipMiro PCTV:Philips or Temic TunerHauppauge Win/TV pci (version 405):Microchip 24LC02B orPhilips 8582E2Y: 256 Byte EEPROM with configuration information                 I2C 0xa0-0xa1, (24LC02B also responds to 0xa2-0xaf)Philips SAA5246AGP/E: Videotext decoder chip, I2C 0x22-0x23TDA9800: sound decoderWinbond W24257AS-35: 32Kx8 CMOS static RAM (Videotext buffer mem)14052B: analog switch for selection of sound sourcePAL: TDA5737: VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tunersTSA5522: 1.4 GHz I2C-bus controlled synthesizer, I2C 0xc2-0xc3NTSC:TDA5731: VHF, hyperband and UHF mixer/oscillator for TV and VCR 3-band tunersTSA5518: no datasheet available on Philips siteSTB TV pci:???if you want better support for STB cards send me info!Look at the board! What chips are on it?