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Processor Problems
12
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The backup floppy disk or original system programming disk. See
System Programming and Maintenance for instructions.
The backup memory card or original system programming memory
card (Release 3.0 and later). See Appendix D, “Backing Up with a
Memory Card,” for instructions.
Reconnect the D8W cord(s) connecting the SMDR printer and/or system
programming PC.
Attach a tag to the old processor.
Use the tag to identify any visible problems and relevant error reports.
Replacing the Feature Module
NOTE:
This section applies only to releases earlier than Release 3.0.
CAUTION:
Make sure that you have a backup of system programming before
replacing the feature module. See “Backing Up System Programming.”
To replace the feature module, follow the steps below.
1 Make sure system power is off.
2 Remove the processor from the carrier.
a Press up on the tab on the bottom rear of the module.
b Pull the bottom of the module away from the carrier.
c Lift upward to disengage the module from the rod on the top of the carrier.
3 Place the processor on a flat surface.
4 Grasp both metal rings on the outside of the feature module and pull
straight up.
Control Unit Problems 4-31