Table 7. Abbreviated list of POST error codes (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide 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.
Error code Description Action
289 A DIMM has been disabled by the user or by
the system.
1. If the DIMM was disabled by the user,
run the Configuration/Setup Utility
program and enable the DIMM.
2. Make sure that the DIMM is installed
correctly (see “Installing a memory
module” on page 16).
3. Replace the DIMM.
4. (Trained service technician only) Replace
the system board.
301 Keyboard or keyboard controller error.
1. If you have installed a USB keyboard,
run the Configuration/Setup Utility
program and enable keyboardless
operation to prevent the POST error
message 301 from being displayed
during startup.
2. Reseat the keyboard cable.
3. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. Keyboard
b. (Trained service technician only)
System board
303 Keyboard controller failure.
1. Reseat the keyboard.
2. Replace the keyboard.
3. (Trained service technician only) Replace
the system board.
1600 The service processor is not functioning.
Note: Depending on which device is
installed, the service processor is the
optional Remote Supervisor Adapter II
SlimLine or the BMC.
1. If an optional Remote Supervisor Adapter
II SlimLine is installed:
a. Update the Remote Supervisor
Adapter II SlimLine firmware (see the
Problem Determination and Service
Guide on the IBM System x3400
Documentation CD).
b. Replace the Remote Supervisor
Adapter II SlimLine.
2.
Update the BMC firmware (see the
Problem Determination and Service
Guide on the IBM System x3400
Documentation CD).
3. (Trained service technician only) Replace
the system board.
Chapter 5. Solving problems 71
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