The almighty dollar is the only object of worship - Philadelphia Public Ledger
The chipset supports Intel Core 2 Duo, Core 2 Extreme, Intel Pentium 4, Pentium D, Pentium Extreme Edition, Celeron, and Celeron D processors and Front Side Bus (FSB) speeds 533, 800, and 1066MHz. It can address up to 16GB memory and has 128-bit dual channel memory interface. It supports a bunch of video acceleration stuff, such as Enhanced MPEG-2 hardware decode acceleration, which claims to dramatically reduce CPU use without incurring the cost of a full MPEG-2 decoder and provide the basis for platforms with H.264 support.
The chipset supports DVI/HDMI outs, HDCP 1.1, multiple displays, 10 USB 2.0 ports, ATA Gen 2 PHY support at 3.0GHz, four ports SATA AHCI controller with support for NCQ and slumber modes and many, many other things.
This chipset can also go mobile and you can read all about it here.
See Also
AMD's RS690 has six kids
ATI's RD600 seems to have been crippled
in the final furlong