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Table 12. Diagnostic 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 Chapter 3, “Parts listing, ThinkServer TS100 Machine Types 6431, 6432, 6433, and 6434,” on page 37 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.
Message
number Component Test State Description Action
201-901-xxx Memory Memory Test Failed Test failure:
single-bit error,
failing bank x,
failing DIMM z.
1. Turn off the system and disconnect it
from the power source.
2. Reseat DIMM z.
3. Reconnect the system to the power
source and turn on the system.
4. Make sure that the Diagnostic code is
at the latest level. For the latest level
of Diagnostic code, go to:
http://www.lenovo.com/support.
5. Make sure that the BIOS code is at
the latest level. The installed firmware
level is shown in the Diagnostic event
log in the Firmware/VPD section for
this component. For the latest level of
firmware, start firmware, go to
EasyUpdate or go to:
http://www.lenovo.com/support and
select your system to display a matrix
of available firmware.
6. Run the test again.
7. Replace the failing DIMMs.
8. Re-enable all memory in the
Configuration/Setup Utility program
(press F1 at system startup).
9. Run the test again.
10. Replace the failing DIMM.
11. Re-enable all memory in the
Configuration/Setup Utility program
(press F1 at system startup).
12. Run the test again.
13. If the problem remains, collect the
data from the Diagnostic event log
and send it to Lenovo Service. For
information about contacting Lenovo
Service, see http://www.lenovo.com/
support.
214 ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual