Southbridge. Support for up to 8 USB 2.0 ports. Support for 4 SATA and 4 PATA drives. The SATA can be formed into RAID 0, 1 or 0+1 if used with the SB450/SB460 Southbridge. Support for 4 SATA and 4 PATA drives and the SATA can be formed into a RAID of 0, 1, 1+0, 5 or JBOD if used with the ULI M1575 Southbridge. Support for 4 SATA and 2 PATA drives if used with the SB600. RAID support in the SB600 is still a standard 0, 1 or 1+0. AC97 High Definition audio with either Realtek ALC882/ALC882D/ALC888/ALC883, SoundBlaster Live! 24-bit or Analog Devices AD1986A. Support for up to 7 PCI slots. Support for multi-GPU configuration known as CrossFire. AMD platform Xpress 3200 for socket 939 Supports all socket 939 CPUs including the Opteron series for socket 939 DDR support up to DDR400 and in 4 GiB capacity. Dongleless Crossfire for the X1300 series, X1600 series, the X1800GTO and as well as the unofficial support for X1900GT. Motherboards Abit - AT8-32x Asus - A8R32-MVP DFI - UT Lanparty CFX3200 Sapphire - PURE Crossfire A9RD580 Xpress 3200 for Socket AM2 Supports all Socket AM2 CPUs. DDR2 support up to DDR2 800 and in 8 GB capacity. Dongleless Crossfire for the X1300 series, X1600 series, the X1800GTO and as well as the unofficial support for X1900GT. Renamed as AMD 580X CrossFire chipset. Motherboards Abit - AT9-32X Asus - M2R32-MVP DFI - Infinity CFX3200-M2R/G DFI - LanParty UT CFX3200-M2R/G ECS - KA3 MVP v1.0A EPoX - Optimus EP-AD580 XR MSI - K9A Platinum PC Partner - RD580AKM-AA1D Sapphire - PC-AM2RD580 Sapphire - PC-AM2RD580Adv Intel platform The Xpress 3200 chipset for Intel platform is under the "RD600" codename, supporting Intel LGA 775 CPUs, such as Core 2 Duo, and the support for multi-GPU configuration, as CrossFire, to run two or more PCI-E graphics cards in two physical PCI-E x16 slots. Availability The RD600 has undergone delays over the months, it was originally expected to be released in Q2'06. As ATI was officially merged with AMD on the October 25, 2006, it is being more unclear that ATI will offer more chipsets supporting Intel CPUs. Since RD600 was delayed, it was reported that some of the motherboard manufacturer have dropped plans to produce motherboards using RD600 chipset. However, the first motherboard using the chipset will be produced by DFI and the first retail product