Memory Module and Modem: Dell™ XPS M140 Service Manualfile:///C|/Users/santhosh_v.ASIA-PACIFIC/Desktop/Hawke/New%20folder/upgrades.htm[2/21/2014 11:33:45 AM]Back to Contents PageMemory Module and ModemDell™ XPS M140 Service ManualRemoving a Memory ModuleReplacing a Memory ModuleModemYour Dell computer comes equipped with two memory slots/connectors labeled DIMM A and DIMM B. DIMM A(located under the keyboard) holds the primary memory module as configured from the factory. DIMM B (located onthe bottom of the computer) holds any additional memory you may have ordered. If you did not order additionalmemory, DIMM B will be empty.Generally, if you are adding memory, you will install a memory module in DIMM B only. If you are upgrading thememory, you may need to install memory modules in DIMM A and DIMM B, depending on the extent of the upgrade.NOTE: Memory modules purchased from Dell™ are covered under your computer warranty.Removing a Memory ModuleCAUTION: Before you perform any of the procedures in this section, follow the safety instructions in theProduct Information Guide.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodicallytouching an unpainted metal surface (such as the back panel) on the computer.Memory Module DIMM B1. Follow the instructions in Preparing to Work Inside the Computer.2. Loosen the two captive screws securing the memory module cover, then remove the cover and set it aside.