Back to Contents PageDell™ OptiPlex™ GX520 User's GuideDesktop Computer SpecificationsDesktop Computer SpecificationsMicroprocessorMicroprocessor type Intel® Pentium® or Celeron® processorLevel 1 (L1) cache 32 KBLevel 2 (L2) cache 512-KB, 1-MB, or 2-MB pipelined-burst, eight-way setassociative, write-back SRAMMemoryType 400-MHz and 533-MHz DDR2 SDRAMMemory connectors 2Memory modules supported 256-MB, 512-MB, 1-GB, or 2-GB non-ECCMinimum memory dual-channel: 512 MB;single-channel: 256 MBMaximum memory 4 GBBIOS address F0000hComputer InformationChipset Intel® 945 ExpressData bus width 64 bitsAddress bus width 32 bitsDMA channels eightInterrupt levels 24BIOS chip (NVRAM) 4 MbMemory speed 400 MHz and 533 MHzNIC integrated network interface with ASF 1.03 and 2.0support as defined by DMTFCapable of 10/100/1000 communication:l Green — A good connection exists between a10-Mbps network and the computer.l Orange — A good connection exists between a100-Mbps network and the computer.l Yellow — A good connection exists between a1-Gb (or 1000-Mbps) network and thecomputer.l Off — The computer is not detecting a physicalconnection to the network.VideoType integrated Intel Graphic Media Accelerator 950AudioType AC97, Sound Blaster emulationStereo conversion 16-bit analog-to-digital; 20-bit digital-to-analogControllersDrives two serial ATA controllers supporting one device eachand one parallel Ultra ATA/100 IDE supporting two
