"Yesterday we released AMD Chipset Roadmap for 2009, today we have the features of the new Southbridge that will go with the new chipsets.

It has several improvements line:

A-link Express 3.0 @ 4x5GHz
PCI Express GPP - PCI-Express 2.0 @ 4x5GHz
Support for AMD Fusion
Ethernet MAC Gb integrada
Integrated Clock (Optional)
SATA AHCI 1.2
SATA III Optional - Up to 6Gbps (optional)"