IBM IntelliStation M Pro 9229 Installation Manual page 40

Table 2. POST error messages (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 part 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 codes
289
301 and 303
602
28
IBM IntelliStation M Pro Type 9229: Installation Guide
Description
An error occurred during POST memory
tests and a DIMM was disabled.
An error occurred during the keyboard and
keyboard controller test. These error
messages may also be accompanied by
continuous beeping.
An invalid diskette boot record error
occurred.
Action
1. If you just installed memory, make sure
that the new memory is correct for the
computer.
2. If the DIMM was disabled by the user,
run the Configuration/Setup Utility
program and enable the DIMM.
3. Reseat the DIMM.
4. Replace the DIMM.
1. If you have just connected a new mouse
or other pointing device, turn off the
computer and disconnect that device.
Wait at least five seconds; then turn on
the computer. If the error message goes
away replace the device.
2. Make sure that nothing is resting on the
keyboard or pressing on a key.
3. Make sure that no key is stuck.
4. Reseat the keyboard cable and make
sure that it is connected to the correct
connector on the computer.
5. After you install a USB keyboard, run the
Configuration/Setup Utility program to
enable keyboard-less operation, and
prevent POST error messages from
being displayed during startup.
6. Run the diagnostic tests to isolate the
computer component that failed.
7. Replace the following components one at
a time, in the order shown, restarting the
computer each time:
a. Keyboard
b. (Trained service technician only)
System board
1. Reseat the diskette drive cable.
2. Replace the following components one at
a time, in the order shown, restarting the
computer each time:
a. Diskette drive cable
b. Diskette drive
c. (Trained service technician only)
System board