Dell PowerEdge M620 Hardware Owner's Manual - Page 200

Figure 3-19. Memory Locations - PowerEdge M610/M610x A1 Channel 2 (A1, A4) A4 A2 A5 Channel 1 (A2, A5) A3 A6 Channel 0 (A3, A6) CPU1 CPU2 Channel 0 (B3, B6) B6 B3 Channel 1 (B2, B5) B5 B2 B4 Channel 2 (B1, B4) B1 General Memory Module Installation Guidelines - PowerEdge M610/M610x To ensure optimal performance of your system, observe the following general guidelines when configuring your system memory: • RDIMMs and UDIMMs cannot be mixed. • Memory modules are populated beginning with the socket farthest from the processor (this socket is indicated by a white socket-release lever). • In a dual-processor configuration, the memory configuration for each processor must be identical • If quad-rank memory modules are installed, a maximum of two DIMMs per channel is supported. • If memory modules with different speeds are installed, they operate at the speed of the slowest installed memory modules. 200 Installing Blade Components