Dell PowerEdge M420 Hardware Owner's Manual - Page 112

Table 1-26. Blade Messages (continued) Message Causes Corrective Actions Alert! Unsupported memory, incomplete sets, or unmatched sets. The following memory DIMMs have been disabled:l,m,n The installed memory configuration is invalid. Add, move, or remove memory modules to achieve a configuration supported by the system. See "System Memory" on page 159. Caution! NVRAM_CLR jumper is installed on system board. NVRAM_CLR jumper is set to "on." Set the NVRAM_CLR jumper to "off." See "Blade System Board Jumper Settings" on page 309 for the jumper location. CPUs with different cache sizes detected. Mismatched processors are Install a correct version of installed. the processor so that both processors have the same cache size. See "Processors" on page 225. Decreasing available memory. Faulty or improperly installed memory modules. Ensure that all memory modules are properly installed. See "Troubleshooting Blade Memory" on page 297. DIMMs disabled - SMI channel training failure. DIMMs disabled - Memory Buffer communication error. The memory modules are not properly seated. The memory module connectors or the processor socket may be exposed to dust. The processor has bent pins. Reseat or replace Memory Modules. See "System Memory" on page 159. Ensure that the memory module connectors and processor sockets are clean. Verify that there are no bent pins on the processor. If the processor has bent pins, see "Getting Help" on page 337. 112 About Your System