IBM x3250 M3 Problem Determination And Service Manual page 129

Table 6. 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 x3250 M3 Types 4251, 4252, and 4261," on page 119 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 website 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
405-906-xxx Intel Ethernet
Device
405-907-xxx Intel Ethernet
Device
Test State Description
Test Loop Failed
back at
Physical
Layer
Test Loop Failed
back at
MAC-Layer
Action
1. Check the Ethernet cable for damage and make
sure that the cable type and connection are
correct.
2. Make sure that the component 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 193.
3. Run the test again.
4. Replace the component that is causing the error.
If the error is caused by an adapter, replace the
adapter. Check the PCI Information and Network
Settings information in the DSA event log to
determine the physical location of the failing
component.
5. If the failure remains, go to the IBM website for
more troubleshooting information at
http://www.ibm.com/systems/support/
supportsite.wss/docdisplay?brandind=5000008
&lndocid=SERV-CALL.
1. Make sure that the component 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 193.
2. Run the test again.
3. Replace the component that is causing the error.
If the error is caused by an adapter, replace the
adapter. Check the PCI Information and Network
Settings information in the DSA event log to
determine the physical location of the failing
component.
4. If the failure remains, go to the IBM website for
more troubleshooting information at
http://www.ibm.com/systems/support/
supportsite.wss/docdisplay?brandind=5000008
&lndocid=SERV-CALL.
Chapter 3. Diagnostics
111