Table 9. 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 4 “Parts listing, Lenovo System x3550 M3 Type 4254 and 7944” on page 403 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 IBM support website at
http://www.ibm.com/supportportal/ to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Message
number
Compo-
nent Test State
Description
Action
215-904-
xxx
Optical
Drive
• Verify
Media
Instal-
led
• Read/
Write
Test
• Self-
Test
Messages
and
actions
apply to all
three
tests.
Failed A read error
occurred.
1. Insert a CD/DVD into the DVD drive or try a
new media, and wait for 15 seconds.
2. Run the test again.
3. Check the drive cabling at both ends for
loose or broken connections or damage to
the cable. Replace the cable if it is damaged.
4. Run the test again.
5. For additional troubleshooting information,
go to
http://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-41559
.
6. Run the test again.
7. Replace the DVD drive.
8. If the failure remains, go to the IBM website
for more troubleshooting information at
http://www.ibm.com/support/entry/portal/
docdisplay?lndocid=SERV-CALL
.
405-901-
xxx
BroadCom
Ethernet
Device
Test
Control
Registers
Failed
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 513
.
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/support/entry/portal/
docdisplay?lndocid=SERV-CALL
.
354 System x3550 M3Problem Determination and Service Guide
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