GIGABYTE GA-7N400 Pro 2 nForce2 Ultra400 Chipset Motherboard Full communication suite includes Gigabit LAN connection, IEEE-1394 &amp; USB 2.0 - 1.1 (4 ports) interface Serial ATA &amp; IDE RAID provide superior input / output and data protection GigaRAID IDE RAID Controller 6-Channel Audio output GIGABYTE DualBIOS prevents BIOS from virus attacks