63System Capacity (in DIMMSize(in GB) Number of Organization and Speed DIMM Slot PopulationGB) DIMMs512 32 16 4R x4, 2133 MT/s A1, A2, A3, A4, A5, A6, A7,A8, B1,B2, B3, B4, B5, B6, B7,B81536 64 24 4R x4, 2400 MT/s A1, A2, A3, A4, A5, A6, A7, A8, A9,A10, A11, A12, B1, B2, B3, B4, B5,B6, B7,B8, B9,B10, B11, B12Removing memory modulesPrerequisitesWARNING: The memory modules are hot to touch for some time after the system has been powered down. Allow timeforthememorymodulestocoolbeforehandlingthem. Handlethememorymodulesbythecardedgesandavoidtouching the components or metallic contacts on the memory module.CAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting andsimple repairs as authorized in your product documentation, or as directed by the online or telephone service and supportteam. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safetyinstructions that are shipped with yourproduct.CAUTION: Toensurepropersystemcooling, memorymoduleblanksmustbeinstalledinanymemorysocketthatisnotoccupied. Remove memory module blanks only if you intend to install memory modules in those sockets.1. Follow the safety guidelines listed in safety instructions section.2. Followthe procedure listed in the Beforeworking inside yoursystem section.3. Remove the cooling shroud.Steps1. Locate the appropriate memory module socket(s).2. Torelease the memory module from the socket, simultaneously press the ejectors on both ends of the memory module socket.CAUTION: Handle each memory module only by the card edges, ensuring not to touch the middle of the memorymodule or metallic contacts.3. Remove the memorymodule from the socket.Figure 17. Removing the memory module1. memory module 2. memory module socket
