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
215-902-
xxx
Optical
Drive
• Verify
Media
Instal-
led
• Read/
Write
Test
• Self-
Test
Messages
and
actions
apply to all
three
tests.
Failed Read
miscompare.
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
.
215-903-
xxx
Optical
Drive
• Verify
Media
Instal-
led
• Read/
Write
Test
• Self-
Test
Messages
and
actions
apply to all
three
tests.
Abor-
ted
Could not
access the
drive.
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. 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/entry/portal/
docdisplay?lndocid=SERV-DSA
.
6. Run the test again.
7. For additional troubleshooting information,
go to
http://www.ibm.com/support/entry/
portal/docdisplay?lndocid=MIGR-41559
.
8. Run the test again.
9. Replace the DVD drive.
10. 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
.
Chapter 3. Diagnostics 353
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