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42 About Your System
• Clear the SEL — You can perform this task remotely, but you will lose the
event history for the system.
• Power cycle — Turn off the system and disconnect it from the electrical
outlet; wait approximately ten seconds, reconnect the power cable, and
restart the system.
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.
NOTE: If you receive a system message not listed in the table, 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 1-3. System Messages
Message Causes Corrective Actions
128-bit Advanced
ECC mode
disabled. For
128-bit Advanced
ECC, DIMMs must
be installed in
pairs. Pairs must
be matched in
size and
geometry.
The Advanced ECC option
enabled in BIOS is no longer
valid due to an unsupported
memory configuration,
possibly a faulty or removed
memory module. The
Advanced ECC setting has
been disabled.
Check other messages for a
faulty memory module.
Reconfigure the memory
modules for Advanced ECC
mode. See "System Memory"
on page 106.
book.book Page 42 Tuesday, June 9, 2009 4:09 PM