IBM x3200 M3 7327 Service Manual page 121

Table 5. DSA Preboot 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 4, "Parts listing, System x3200 M3 Types 7327 and 7328," on page 133 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.
v Go to the IBM support Web site at http://www.ibm.com/systems/support/ to check for technical information, hints, tips,
and new device drivers or to submit a request for information.
Message
number Component
166-901-xxx IMM
Test State
IMM I2C Test Failed
Description Action
The IMM indicates
1. Turn off the system and disconnect it
a failure in the H8
from the power source. You must
bus (Bus 0)
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/
docview.wss?uid=psg1SERV-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 221.
6. Run the test again.
7. Remove power from the system.
8. (Trained service technician only)
Replace the system board.
9. Reconnect the system to power and
turn on the system.
10. Run the test again.
11. If the failure remains, go to the IBM
Web site for more troubleshooting
information at http://www.ibm.com/
systems/support/supportsite.wss/
docdisplay?brandind=5000008
&lndocid=SERV-CALL.
101
Chapter 3. Diagnostics