2 x USB 2.0 headers support additional 4 USB 2.0 Ports 1 x FDD connector supports one 360K~2.88MB FDD 1 x 24-pin ATX Power Supply Connector & 4-pin 12V Connector 1 x PS/2 keyboard & PS/2 mouse connectors Realtek RTL8103EL 10/100 LAN (RTL8111DL Gigabit LAN Optional) VIA VT1708B 6-channel High Definition audio CODEC 2 x 240-pin DDR2 DIMM socket support up to 4 GB Integrated Intel Graphics Media Accelerator 3100 (GMA3100) LGA775 socket for latest Intel Core 2 Quad/Core 2 Duo / Pentium Dual-core (E21xx series)/Celeron 4xx processors