IBM 7378, Problem Determination And Service Manual

Page: 119 / 362

Table 8. DSA 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 x3400 M3 Types 7378 and 7379,” on page 141 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.
Message
number
Component Test State Description Action
089-901-xxx CPU CPU Stress
Test Failed Test failure.
1. Turn off and restart the system if necessary to
recover from a hung state.
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/
docview.wss?uid=psg1SERV-DSA.
3. Run the test again.
4. Make sure that the system firmware is at the
latest level. The installed firmware level is shown
in the DSA log in the Firmware/VPD section for
this component. For more information, see
“Updating the firmware” on page 302.
5. Run the test again.
6. Turn off and restart the system if necessary to
recover from a hung state.
7. Run the test again.
8. Replace the following components one at a
time, in the order shown, and run this test again
to determine whether the problem has been
solved:
a. (Trained service technician only)
Microprocessor board
b. (Trained service technician only)
Microprocessor
9. 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.
166-801-xxx IMM IMM I2C Test Aborted IMM I2C test
stopped: 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/
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 log in the Firmware/VPD section for
this component. For more information, see
“Updating the firmware” on page 302.
6. Run the test again.
7. 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.
Chapter 3. Diagnostics
101