DocumentationShop Services & Warrantieshttp://support.dell.com/support/edocs/systems/dimxpsg2/en/SM/parts.htm (1 of 37) [3/26/2008 3:57:09 PM]Contact UsSupport Resource Center My AccountTechnical Support Customer Service Warranty Information Dell Forums Contact UsMy Account My Preferences My Order Status My Systems & Peripherals Log OutYou are here: Dell USA > Support Home PageBack to Contents PageRemoving and Installing PartsDell™ Dimension™ XPS Service ManualMemory PCI CardsAGP Cards DrivesProcessor Airflow Shroud ProcessorSystem Board Power SupplyFront Panel Drive DoorBatteryMemoryYou can increase your computer memory by installing memory modules on the system board. For information on the typeof memory supported by your computer, see "Memory."NOTE: DDR 333 memory operates at 320-MHz when used with an 800-MHz front-side busprocessor.DDR Memory OverviewDDR memory modules should be installed in pairs of matched memory size. This means that if you purchased yourcomputer with 256 MB of memory installed and you want to add another 256 MB of memory, you must install it inthe appropriate connector. If the DDR memory modules are not installed in matched pairs, the computer will continueto operate, but with a slight reduction in performance.Hello, TIM (not TIM ?)Cart