31-2 SpecificationSpec DescriptionDesign ∗ ATX form factor 4 layers PCB size: 30.5x21.0cmChipset ∗ Intel 845 Memory Controller Hub (MCH) Chipset∗ Intel 82801BA I/O Controller Hub (ICH2) ChipsetCPU Socket(mPGA478B Socket)∗ Support Intel Pentium 4 478 Pin package utilizes Flip-Chip Pin Grid Array (FC-PGA2) package processor∗ Support 1.5G∼2.2G 478 Pin Pentium 4 processor∗ Reserves support for future Intel Pentium 4 processorsMemory Socket ∗ 168-pin SDR SDRAM module socket x3∗ Support PC133 SDRAM∗ Expandable to 3.0GBExpansion Slot &Headers∗ AGP slot x1 for AGP 1.5V standard only, support AGP2.0 & 4X mode∗ 32-bit PCI slot x6∗ CNR slot x1Integrate IDE ∗ Two PCI IDE controllers support PCI Bus Mastering,ATA PIO/DMA and the ULTRA DMA 33/66/100functions that deliver the data transfer rate up to 100MB/sLAN On Board(Only for 845CAL)∗ Realtek RTL8100 PCI LAN Controller chip∗ Supports 10/100 Mb/sec data transfer rateAudio ∗ AC’97 Digital Audio controller integrated∗ AC’97 Audio CODEC on board∗ Audio driver and utility includedBIOS ∗ Award 2MB Flash ROMMulti I/O ∗ PS/2 keyboard and PS/2 mouse connectors∗ Floppy disk drive connector x1∗ Parallel port x1∗ Serial port x2∗ USB connector x2∗ USB headers x2 (connecting cable option)∗ Audio connector (Line-in, Line-out , MIC & Game Port)