Lenovo BladeCenter HS23E Problem Determination And Service Manual page 223

v See Chapter 4, "Parts listing," on page 41 to determine which components are consumable, structural, or CRU
parts.
v If an action step is preceded by "(trained technician only)," that step must be performed only by a trained
technician.
Error code Description
201-901-xxx Failed the memory self test due to a single-bit
error in DIMM x OR failed the memory self
test due to a multi-bit error in DIMMs x and
y.
Action
1. If the blade server has stopped responding, turn
off the blade server and pull it out of the bay to
disconnect it from power. See "Turning off the
blade server" on page 12 and "Removing the
blade server from the BladeCenter unit" on
page 49.
2. Reseat DIMM x. See "Removing a memory
module" on page 65 and "Installing a memory
module" on page 66.
3. Return the blade server to the blade server bay
and turn on the blade server. See "Installing the
blade server in a BladeCenter unit" on page 50
and "Turning on the blade server" on page 11.
4. Make sure that the DSA Diagnostic code is at
the latest level; then, rerun the test ("Diagnostic
tools overview" on page 94). The latest code can
be found on the IBM support Web site at
http://www.ibm.com/support/
docview.wss?uid=psg1SERV-DSA.
5. Make sure that the system BIOS firmware is at
the latest level, upgrade if necessary; then, rerun
the test ("Diagnostic tools overview" on page
94). The BIOS firmware level can be found in
the DSA Diagnostic Event Log within the
Firmware/VPD section for this component. The
latest level firmware for this component can be
found on the IBM support Web site at
http://www.ibm.com/support/
docview.wss?uid=psg1MIGR-63017.
6. If the component failure remains, refer to
Chapter 5, "Removing and replacing blade
server components," on page 47 to replace the
failing DIMMs.
7. Return the blade server to the blade server bay
("Installing the blade server in a BladeCenter
unit" on page 50), press F1 during start up and
in the Setup utility > Resource Utilization
section, click Available System Memory to
re-enable all memory; then, rerun the test
("Diagnostic tools overview" on page 94).
209
Chapter 6. Diagnostics