From ATI's web site.
The HDTV WONDERT is a PCI card for analog TV, free-to-air digital TV (DTV:
SDTV and EDTV), and full quality free-to-air HDTV reception. It offers
personal video recorder capabilities, with the controls to watch, pause and
record all forms of TV to your system's hard disk, or to CD's and DVD's. In
addition to analog cable support, the HDTV WONDERT with an HDTV antenna
allows consumers to experience free-to-air HDTV broadcasts without having to
subscribe to potentially expensive cable or satellite service charges.
System Requirements
a.. Intel® Pentium® 4, CeleronT, AMD AthlonT or compatible, operating at
1.3GHz or greater
b.. 256MB of system memory
c.. Available PCI slot for HDTV WONDERT card
d.. Graphics card with 64MB or greater of frame buffer and Microsoft
DirectX 9.0 support
e.. Installation software requires CD-ROM drive
f.. Interactive Program guide requires Internet connection for listing
updates
g.. Remote Control receiver requires available USB port
h.. Sound card with speakers
TV and HDTV Tuner Requirements
a.. TV Signal from amplified antenna or cable required for TV function.
Version included for NTSC (North America, Japan and Latin America),
b.. HDTV signal from antenna (included) required for HDTV function.
Version included for ATSC (North America). Product does not receive
satellite or cable HDTV transmissions.
Compatibility
a.. HDTV WONDERT is compatible with Microsoft® DirectX® 9.0 hardware
compliant graphics cards and having 64MB or greater of memory
In other words, it won't work with your system. "My CPU is apentium 3
running at 1GHz," Their System Requirements Intel® Pentium® 4, CeleronT, AMD
AthlonT or compatible, operating at 1.3GHz or greater