SL-K8AV2-RL features VIA VT8237 Southbridge supporting 800MHz Hyper-Transport, AGP 8X, Serial ATA RAID (the initial version, SL-K8AV-R, has VT8235 Southbridge).Source : Digit-Life
The new baseboard also has 8 x USB2.0, 10/100Mbps Fast Ethernet and provides a wide list of overclocking features in BIOS, including FSB, Vcore, AGP, DIMM and CPU multiplier adjust.
Soyo launches motherboard for Athlon64; the SL-K8AV2-RL

Digit-Life reports that Soyo has launched a new Athlon64 motherboard. The SL-K8AV2-RL motherboard from Soyo is based on the K8T800 chipset from VIA.