CPU LGA775 socket for Intel Pentium 4 / Pentium D processor FSB 800/ 533/ 400MHz Support Hyper-Threading Technology CHIPSET Intel® 865G & ICH5 North Bridge: Intel® 865G South Bridge: Intel® ICH5 GRAPHICS Integrated Intel Extreme Graphics II MEMORY Dual-channel DDR memory architecture 2 x 184-pin DDR DIMM socket support up to 2 GB Support DDR400/333/266 DDR SDRAM EXPANSION SLOT 1 x AGP 8X/4X slot 3 x PCI slots 1 x CNR slot STORAGE Support by Intel® ICH5 -- 4 x Ultra DMA100/66 devices -- 2 x Serial ATA devices AUDIO Realtek ALC655 6-Channel audio CODEC Compliant with AC'97 2.3 specification LAN Realtek RTL8100C 10/100 Mbps Fast Ethernet Controller REAR PANEL I/O 1 x PS/2 keyboard & PS/2 mouse connectors 4 x USB ports 1 x RJ45 LAN connector 1 x VGA port 1 x Parallel port (LPT1) 1 x Serial port (COM1) 1 x Audio port (Line-in, Line-out, Mic-in) INTERNAL I/O CONNECTORS & HEADERS 1 x 20-pin ATX Power Supply Connector & 4-pin 12V Connector 1 x FDD connector supports two 360K~2.88MB FDDs 2 x IDE connectors 2 x Serial ATA connectors 1 x IrDA for SIR header 2 x USB 2.0 headers support additional 4 USB Ports 1 x SPDIF out header 1 x Front panel switch/LED header 1 x Front panel audio header CD in/ AUX in headers CPUFAN/SYSFAN connectors SYSTEM BIOS Award BIOS with 4Mb Flash ROM Supports Plug and Play 1.0A, APM 1.2, Multi Boot, DMI Supports ACPI revision 1.0 specification FORM FACTOR Micro-ATX Size, 244mm*220mm