Display Messages
145
B42 ERROR: SDRAM
ROWS NOT ALLOWED*
Printer boot initialization tests
detect incorrect SDRAM.
1. Cycle power. If the message appears, the controller board or
microcode is suspect. Do the following:
2. Save the printer configuration values. (Refer to the
User’s
Manual
.)
3. Clear NVRAM (page 237).
4. Download and install the latest code from IBM First (page 231).
5. Power on the printer in download mode and load flash memory
(page 238).
a. If you encounter loading problems, go to the appropriate error
code for resolution.
b. If you encounter the failure or message that brought you to
this procedure, replace the controller board (page 319). After
replacing the controller board, DO NOT make the printer
READY, but proceed immediately to the next step.
6. Download and install the latest code from IBM First (page 231).
7. Power on the printer in download mode, and load flash memory
(page 238).
8. If you encounter the failure after replacing the controller board,
reinstall the original controller board and contact your DDS and
Second Level Support.
Table 3. Message List
Operator Panel Message Explanation Corrective Action
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