Foxconn NF4K8AC-RS NF4 Socket 939 ATX Motherboard w/ Sound & LAN Foxconn NF4K8AC-RS NF4 Socket 939 ATX Motherboard General Features: NF4 (Single chipset solution) chipset Socket 939 ATX form factor Supports up to 4 GB DDR memory Integrated 5.1, Realtek ALC 655 (AC97 interface) - support S/PDIF-out 10/100 M.LAN (Integrated GbE MAC + Broadcom AC131 10/100 PHY) Four (4) on-board SATA connectors - Supports RAID 0, RAID 1 and RAID 0+1 BIOS Features: LPC ROM 4M, ACPI 1.0b, APM 1.2, PnP 1.0a, SMBIOS 2.3, USB 2.0, WfM 2.0