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The DIMM modules for the dual controllers in the A16F-R2422
subsystem must have exactly the SAME SIZE and SPEED.
•
Installation considerations: When installing the DDR RAM DIMM
module, it is necessary to remove the controller module. The controller
board is more susceptible to damage than the other components and
must be handled with extreme care.
•
Secure installation: When replacing the DIMM module, make sure that
the new DIMM module is firmly in place prior to re-installing the
controller module. If the DIMM module is not firmly in place, the
subsystem will not run and the whole procedure must be repeated.
5.3.2 DIMM Module Replacement Procedure
If you are going to replace or upgrade a DIMM module, please follow
the instructions below. If you do not want to replace or upgrade a DIMM
you may skip this section.
If a DIMM module fails or if a DIMM module with a higher memory
capacity is required, the onboard DIMM module must be replaced. To
replace the DIMM module:
Step 1. Remove the controller module. (See Section 5.2.2)
Step 2. Remove the previously installed DIMM module from the DIMM
Subsystem Maintenance
IMPORTANT!
NOTE:
socket. Pull down the white clips on either side of the DIMM
module to a 45-degree angle to dislodge the DIMM module. (See
Figure 5-7)
Figure 5-7: Removing the DIMM Module
Chapter 5: Subsystem Maintenance
5-7
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