APC RAID Subsystem SCSI-SATA II Specifications Page 31

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2.6.3 DIMM Module Installation/Replacement
WARNING!
1. Consult the technical support department of your reseller or distributor if you
are not sure which memory module can be installed into the controller.
2. The installed BBU and controller module must be removed prior to installing
a new memory modules. Do this with care. Sensitive components can be
damaged during the process.
3. The BBU module is hot-swappable and can be independently swapped from
the controller. However, as a safety precaution and just in case your memory
still holds cached data, it is recommended to remove the BBU module before
handling the DDR RAM module. If the BBU is supplying power to the
memory when the DDR module is being removed, damage will occur.
Step 1. Prepare an anti-static work pad for placing a removed controller. Use
of an ESD grounding strap is highly recommended.
Step 2. Remove the pre-installed BBU module. Use a Phillips screwdriver to
loosen the retention screw that secures the BBU module to the
enclosure chassis and carefully remove the module. Carefully place
the module for it contains Li-ION batteries. Do not drop it to the floor
or place it near any heat source or fire.
Step 3. Remove the controller module. Remove the retention screws
securing the controller’s ejection levers using a Phillips screwdriver.
Using both hands, simultaneously press the ejection levers downward
until the controller is removed from enclosure chassis.
Memory Module Installation
2-7
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