http://www.ati.com/products/ehome/index.html

Overview:
ATI’s E-HOME WONDER™ is a hardware based low profile PCI TV solution that features hardware MPEG-2 encoding which allows PC manufacturers to support Windows XP Media Center Edition 2004 across multiple processor platforms. An optional FM tuner is also available on the E-HOME WONDER.

Features:
Stereo TV tuner with 125 channels for worldwide standards
S-Video and composite analog video and stereo audio input and capture
Pal / Secam and NTSC support
TV resolution up to 720 X 576 (PAL / SECAM) and 720 X 480 (NTSC)
PCI Interface
Fully compatible with Microsoft® Windows® XP Media Center Edition.
THEATER™ 200 allows for stereo and video decoding and processing
FM radio tuner (optional)
Video capture at up to 720 X 576 (PAL / SECAM) and 720 X 480 (NTSC) with MPEG-2 compression
Specifications:

E-HOME WONDER™ products are dependent upon host system requirements.

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上面有提到THEATER™ 200但卡上的晶片不像啊！