Table 9. DSA Preboot messages (continued)
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See
Chapter 4 “Parts listing, Lenovo System x3550 M3 Type 4254 and 7944” on page 403 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by “(Trained service technician only)”, that step must be performed only by a
Trained service technician.
• Go to the IBM support website at
http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Message
number
Compo-
nent Test State
Description
Action
202-901-
xxx
Memory Memory
Stress
Test
Failed Test failure.
1. Run the standard memory test to validate all
memory.
2. Make sure that the DSA code is at the latest
level. For the latest level of DSA code, go to
http://www.ibm.com/support/entry/portal/
docdisplay?lndocid=SERV-DSA
.
3. Turn off the system and disconnect it from
power.
4. Reseat the DIMMs.
5. Reconnect the system to power and turn on
the system.
6. Run the test again.
7. Run the standard memory test to validate all
memory.
8. If the failure remains, go to the IBM website
for more troubleshooting information at
http://www.ibm.com/support/entry/portal/
docdisplay?lndocid=SERV-CALL
.
215-801-
xxx
Optical
Drive
• Verify
Media
Instal-
led
• Read/
Write
Test
• Self-
Test
Messages
and
actions
apply to all
three
tests.
Abor-
ted
Unable to
communi-
cate with the
device
driver.
1. Make sure that the DSA code is at the latest
level. For the latest level of DSA code, go to
http://www.ibm.com/support/entry/portal/
docdisplay?lndocid=SERV-DSA
.
2. Run the test again.
3. Check the drive cabling at both ends for
loose or broken connections or damage to
the cable. Replace the cable if it is damaged.
4. Run the test again.
5. For additional troubleshooting information,
go to
http://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-41559
.
6. Run the test again.
7. Make sure that the system firmware is at the
latest level. The installed firmware level is
shown in the DSA event log in the Firmware/
VPD section for this component. For more
information, see
“Updating the firmware” on
page 513
.
8. Run the test again.
9. Replace the DVD drive.
350 System x3550 M3Problem Determination and Service Guide