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There are (at least) four different types of Hauppauge PVR cards and if you want use one of these cards you should read this informations here carefully.

Hauppauge PVR (without number)

This is the oldest PVR card. It has an hardware MPEG2 encoder, but unfortunally you can not use this encoder under linux. There is simply no driver supporting that encoder. You can use it with the bttv driver, but this driver does not support hardware encoders. NOT RECOMMENDED.

Hauppauge PVR 250

This card has an hardware encoder (but no hardware decoder and no tv out) and is well supported by ivtv and analogtv plugin. The encoder safes cpu load and works very well. As this card does not have the hardware MPEG decoder and no TV out you can use this card like a Budget DVB card only as DVB input device, for TV out and OSD you need an additional output device. An general HowTo describing the setup of that cards has Wirbel described in that Posting im VDR-Portal (german only): [1] thumb|none|Abbildung: PVR250

Hauppauge PVR 350

Additionally to the features of the PVR 250 this card has an Radio tuner (up to now not running with ivtv but planned) and an hardware decoder (supported by ivtv), which can be used with the PVR350 Plugin as VDR output device. Therefore you can build with that card an stand alone analogue VDR or use this with budget cards i.e. for DVB-T. The setup of an PVR 350 is nearly the same as for the PVR250, except the additional needed PVR350 Plugin. Some older Versions of the "little" PVR 250 have the same hardware decoder like the PVR 350 has, but not the tv out and not the radio tuner.

Hauppauge PVR USB2

Supported, driver at sourgeforge. Handling nearly like PVR250. (link to be added here!)

Hauppauge PVR USB2

PVR USB2 has like PVR350 an hardware encoder and -decoder and has an radio tuner. But this card has no tv out. Supported by linux driver in early stage, needs linux-2.6.x and the hotplug package. drivers: V4L2 driver for the Hauppauge WinTV-PVR-usb2 GNU/Linux driver for the Hauppauge WinTV-PVR-usb2