21-2 SpecificationSpec DescriptionDesign ∗ ATX form factor 4 layers PCB size: 30.5x24.5cmChipset ∗ Intel 915G Graphics Memory Controller Hub (GMCH) Chipsetfor 915GDAP/915GDA∗ Intel 915P Memory Controller Hub (MCH) Chipset for915PDAP/915PDA∗ Intel 82801FB I/O Controller Hub (ICH6) ChipsetCPU Socket(mPGA478B Socket)∗ Support Intel Pentium 4 478 Pin package utilizes Flip-Chip PinGrid Array (FC-PGA2) package processor∗ Support CPU Frequency 400MHz/533MHz/800MHz∗ Support 1.6G∼3.4G 478 Pin Pentium 4 processor∗ Reserves support for future Intel Pentium 4 processorsMemory Socket ∗ 184-pin DDR SDRAM module socket x4∗ Support Dual channel DDR333/DDR400 DDR SDRAM∗ Expandable to 4.0GBExpansion Slot &Headers∗ One PCI Express x16, two PCI Express x1 Slots∗ 32-bit PCI slot x 4Integrate IDE ∗ One IDE controllers support PCI Bus Mastering, ATAPIO/DMA and the ULTRA DMA 33/66/100 functions thatdeliver the data transfer rate up to 100 MB/s∗ Four Serial ATA Host controllers, that deliver the data transferrate up to 150 MB/sSerial-ATA IDE ∗ SiS 180 RAID Controller provide two Serial ATA ports support150Mb/s data transfer rate and one Parallel ATA133 portsupport 133Mb/s data transfer rate∗ Support Ultra Mode Function∗ Support RAID 0 or 1, RAID 0+1 functionIntegrate VGA(only for915GDAP/915GDA)∗ 400MHz Integrated 24-bit RAMDAC up to 2048x1536@75 Hz∗ Multiplexed Digital Display Channels (Support with ADD2Card (Advanced Digital Display)LAN On Board(only for915GDAP/915GDA)∗ Realtek 8100C PCI Interface Fast Ethernet controller∗ Supports 10/100 Mb/sec data transfer rateAudio ∗ Realtek ALC880 8-channel High Definition Audio Codecintegrated∗ Support 8-channel 3D surround & Positioning Audio∗ SPDIF-In/ SPDIF-Out Optical support∗ Audio driver and utility includedBIOS ∗ Award 4MB Flash ROMMulti I/O ∗ PS/2 keyboard and PS/2 mouse connectors∗ Floppy disk drive connector x1∗ Parallel port x1, Serial port x1∗ USB 2.0 connector x4, headers x4 (connecting cable option)∗ High Definition Audio connector (Line-in, MIC, 3x Line-Out)