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
166-801-
xxx
IMM
IMM I2C
Test
Abor-
ted
IMM I2C test
aborted: the
IMM
returned an
incorrect
response
length.
1. Turn off the system and disconnect it from
the power source. You must disconnect the
system from ac power to reset the IMM.
2. After 45 seconds, reconnect the system to
the power source and turn on the system.
3. Run the test again.
4. 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
.
5. Make sure that the IMM 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
.
6. Run the test again.
7. 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
.
166-802-
xxx
IMM IMM I2C
Test
Abor-
ted
IMM I2C test
aborted: the
test cannot
be
completed
for an
unknown
reason.
1. Turn off the system and disconnect it from
the power source. You must disconnect the
system from ac power to reset the IMM.
2. After 45 seconds, reconnect the system to
the power source and turn on the system.
3. Run the test again.
4. 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
.
5. Make sure that the IMM 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
.
6. Run the test again.
7. If the failure remains, go to the IBM website
for more troubleshooting information at
Chapter 3. Diagnostics 323
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