Lenovo ThinkServer RD120 Hardware Maintenance Manual page 149

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, ThinkServer RD120 Machine Types 6444, 6445, 6446, and 6447," on page 25
to determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Beep code
3-3-3
4-4-4
Two short beeps
Description
No operational memory in system.
Optional system management adapter not
installed in Remote Supervisor Adapter II
SlimLine connector or not functioning
correctly.
Information only, the configuration has
changed
Action
1. Make sure that the server contains the
correct number of DIMMs, in the correct
order; install or reseat the DIMMS; then,
restart the server three times.
Important: You must restart the server
three times to reset the configuration
settings to the default configuration (the
memory connector or bank of connectors
enabled).
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. DIMMs
b. (Trained service technician only)
System board
1. Make sure that the Remote Supervisor
Adapter II SlimLine is installed in the
Remote Supervisor Adapter II SlimLine
connector.
2. Reseat the Remote Supervisor Adapter II
SlimLine.
3. Replace the following components one at
a time, in the order shown, restarting the
server each time:
v Remote Supervisor Adapter II SlimLine
v (Trained service technician only) System
board
1. Run the diagnostics programs to verify that
all components are working.
2. Run the Configuration/Setup Utility
program, save the configuration, and
restart the server.
Chapter 5. Diagnostics
131