Lenovo ThinkServer RD210 Hardware Maintenance Manual - Page 50

Make sure that the IMM firmware is at the latest, level. The installed firmware level is shown

Page 50 highlights

Table 3. 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 9 "Parts listing, ThinkServer RD210 Type 3795, 3796, 3818, and 3819" on page 143 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 Lenovo support Web site at http://www.lenovo.com/support to check for technical information, hints, tips, and new device drivers or to submit a request for information. Message number Component Test State Description Action 166-902-xxx IMM IMM I2C Test Failed The IMM indicates a failure in the light path bus (Bus 1). 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.lenovo.com/support 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. 6. Run the test again. 7. Turn off the system and disconnect it from the power source. 8. Reseat the light path diagnostics panel. 9. Reconnect the system to the power source and turn on the system. 10. Run the test again. 11. Turn off the system and disconnect it from the power source. 12. (Trained service technician only) Replace the system board. 13. Reconnect the system to the power source and turn on the system. 14. Run the test again. 166-902-xxx IMM IMM I2C Test Failed The IMM indicates a failure in the memory bus. 1. If the failure remains, go to http://www.lenovo.com/support for more troubleshooting information. 42 ThinkServer RD210 Hardware Maintenance Manual

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Table 3. 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 9 “Parts listing, ThinkServer RD210 Type 3795, 3796, 3818, and 3819” on page 143 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 Lenovo support Web site at http://www.lenovo.com/support to check for technical information,
hints, tips, and new device drivers or to submit a request for information.
Message
number
Component
Test
State
Description
Action
166-902-xxx
IMM
IMM I2C
Test
Failed
The IMM
indicates a
failure in the
light path
bus (Bus 1).
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:
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.
6.
Run the test again.
7.
Turn off the system and disconnect it from the
power source.
8.
Reseat the light path diagnostics panel.
9.
Reconnect the system to the power source
and turn on the system.
10. Run the test again.
11.Turn off the system and disconnect it from the
power source.
12.(Trained service technician only) Replace the
system board.
13.Reconnect the system to the power source
and turn on the system.
14. Run the test again.
166-902-xxx
IMM
IMM I2C
Test
Failed
The IMM
indicates
a failure in
the memory
bus.
1.
If the failure remains, go to
more troubleshooting information.
42
ThinkServer RD210 Hardware Maintenance Manual