Dell PowerEdge T300 Hardware Owner's Manual (PDF) - Page 30

Any of these actions will remove fault messages, and return the status indicators and LCD colors to the normal state. Messages will reappear under the following conditions: • The sensor returns to a normal state but fails again, resulting in a new SEL entry. • The system is reset and new error events are detected. • A failure is recorded from another source that maps to the same display entry. System Messages System messages appear on the screen to notify you of a possible problem with the system. Table 1-3 lists the system messages that can occur and the probable cause and corrective action for each message. CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge. NOTE: If you receive a system message that is not listed in Table 1-3, check the documentation for the application that is running when the message appears or the operating system's documentation for an explanation of the message and recommended action. Table 1-6. System Messages Message Causes Corrective Actions Alert! DIMM1_A and DIMM1_B must be populated with a matched set of DIMMs if more than one DIMM is present. The following memory DIMMs have been disabled: If more than one DIMM is present, DIMMs must be installed in matching pairs. Check other system messages for additional information for possible causes. For memory configuration information, see "Memory Module Installation Guidelines" on page 110. If the problem persists, see "Troubleshooting System Memory" on page 146. 30 About Your System