System Capacity(in GB) DIMM Size (inGB) Number ofDIMMs Organization andSpeed DIMM Slot Population192 32 6 4R x4, 1066 MT/s A1, A2, A3, A4, A5, A6Table 2. Memory Configurations — Two ProcessorsSystem Capacity (inGB) DIMM Size (inGB) Number ofDIMMs Organization andSpeed DIMM Slot Population4 2 2 1R x8, 1333 MT/s1R x8, 1600 MT/sA1, B18 2 4 1R x8, 1333 MT/s1R x8, 1600 MT/sA1, A2, B1, B212 2 6 1R x8, 1333 MT/s1R x8, 1600 MT/sA1, A2, A3, B1, B2, B324 4 6 2R x8, 1333 MT/s2R x8, 1600 MT/sA1, A2, A3, B1, B2, B348 8 6 2R x4, 1333 MT/s2R x4, 1600 MT/sA1, A2, A3, B1, B2, B396 16 6 2R x4, 1333 MT/s2R x4, 1600 MT/sA1, A2, A3, B1, B2, B3128 16 8 2R x4, 1333 MT/s2R x4, 1600 MT/sA1, A2, A3, A4, B1, B2, B3, B4160 16 10 2R x4, 1333 MT/s2R x4, 1600 MT/sA1, A2, A3, A4, A5, B1, B2, B3,B4, B5192 16 12 2R x4, 1333 MT/s2R x4, 1600 MT/sA1, A2, A3, A4, A5, A6, B1, B2,B3, B4, B5, B6256 32 8 4R x4, 1066 MT/s A1, A2, A3, A4, B1, B2, B3, B4384 32 12 4R x4, 1066 MT/s A1, A2, A3, A4, A5, A6, B1, B2,B3, B4, B5, B6Removing Memory ModulesWARNING: The memory modules are hot to the touch for some time after the system has been powered down.Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edgesand avoid touching the components or metallic contacts on the memory module.CAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.CAUTION: To ensure proper system cooling, memory-module blanks must be installed in any memory socket that isnot occupied. Remove memory-module blanks only if you intend to install memory modules in those sockets.1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet andperipherals.2. Open the system.76
