Specifications CPU Socket 478 for Intel® Pentium 4 ,Celeron , Celeron D processor Supports Prescott up to 3.6GHz Supports FSB400/533/800MHz processor(For the latest information about CPU, please contact with manufacturer ) Processor Support Supports 400MHz and 533MHz and 800MHz FSB Chipset North Bridge: Intel® 865G chipset South Bridge: Intel® ICH5 chipset (421 mBGA)Memory Support Supports two 64-bit wide DDR data channels Available bandwidth up to 3.2GB/s (DDR 400) for single-channel mode and 8.4 GB/s (DDR 400) for dual-channel mode Supports 128Mb, 256Mb or 512Mb DDR technologies (For the updated supporting memory modules, please contact with manufacturer)LAN Realtek 8100C Integrated 10/100 Ethernet MAC and PHY in one chip Supports 10Mb/s and 100Mb/s auto-negotiation operation Compliant with PCI v2.2, and LAN on Motherboard (LOM) standardAudio AC97 link controller integrated in ICH5 6 channels software audio codec ALC650 Compliant with AC97 v2.3 spec. Meet PC2001 audio performance requirementIDE An IDE controller on the ICH5 chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA66/100 operation modes. Dual channel can connect up to four IDE devices.SATA Supports two SATA device Supports storage and data transfers at up to 1.5 Gb/sFloppy 1 floppy port Supports 1 FDD with 360K, 720K, 1.2M, 1.44M and 2.88MbytesConnectors Backpannel -1 PS/2 mouse port 2 -1 PS/2 keyboard port. -1 serial port (COM1) -1 VGA port -1 parallel port supporting SPP/EPP/ECP mode -2 USB 2.0 Ports. -1 LAN jack (10/100) -3 flexible audio jacks. On-Board Pinheaders -1 D-Bracket 2 pinheader - 2 USB 2.0 pinheaders Slots One AGP 8X slot. Five PCI slots 2.2 32-bit Master PCI Bus slots. Supports 3.3v/5v PCI bus Interface.Form Factor Micro-ATX (29 cm X 18.4 cm) Mounting 8 mounting holes