Lenovo TD200 - ThinkServer - 3809 Hardware Maintenance Manual page 132

Table 4. 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 8 "Parts listing, TD200 Machine Types 3724, 3808, 3809, 3815, 3817, 3824, 3826, 3836" on page
257 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
405-906-xxx BroadCom
Ethernet
Device
124
ThinkServer TD200 Hardware Maintenance Manual
State
Test Loop back Failed
at Physical
Layer
Description 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 306.
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 Lenovo Web site for more
troubleshooting information at
http://www.lenovo.com/support.