Dell PowerEdge M420 Hardware Owner's Manual - Page 192
General Memory Module Installation Guidelines - PowerEdge M600, irroring require eight
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General Memory Module Installation Guidelines - PowerEdge M600 To ensure optimal performance of your system, observe the following guidelines when configuring your system memory: • Memory modules must be installed in pairs of identically-sized DIMMs. The total number of memory modules must equal two, four, or eight. Six modules are not supported. • All memory modules in the blade must be identical in speed and technology. The memory modules in each pair must be the same size. For best system performance, all memory modules should be identical memory size, speed, and technology. • Memory sparing and memory mirroring require eight memory modules of identical size, speed, and technology. Memory sparing and memory mirroring cannot be implemented at the same time. Table 3-13 shows examples of supported memory configurations. CAUTION: Memory module blanks must be installed in unoccupied memory sockets to maintain proper cooling airflow. Table 3-13. Examples of Memory Configurations - PowerEdge M600 Total DIMM Memory 1 2 3 4 5 6 7 8 1 GB 512 MB 512 MB blank blank blank blank blank blank 2 GB 512 MB 512 MB 512 MB 512 MB blank blank blank blank 2 GB 1 GB 1 GB blank blank blank blank blank blank 4 GB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 512 MB 4 GB 1 GB 1 GB 1 GB 1 GB blank blank blank blank 8 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 1 GB 8 GB 2 GB 2 GB 2 GB 2 GB blank blank blank blank 16 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 2 GB 16 GB 4 GB 4 GB 4 GB 4 GB blank blank blank blank 32 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 4 GB 192 Installing Blade Components