4–14
HSG80 Array Controller V8.7 Maintenance and Service Guide
Replacement Procedures for Model 2200 Enclosure Elements
NOTE: If reverting to a single-controller configuration, fill the vacant controller and
cache module bays with blank bezels to prevent the enclosure from developing a
potential over- temperature condition.
•
Yes. Use step a through step i to remove the DIMMs from the cache module
for installation in the replacement cache module.
a.
Press down on the DIMM retaining clips
3
at both ends of the DIMM
1
being removed (see Figure 4–5).
NOTE: To make pressing down on the DIMM retaining clips easier, use the eraser
end of a pencil or a small screwdriver.
b.
Gently remove the DIMM from the DIMM slot
2
and place the DIMM in
an antistatic bag or on a grounded antistatic mat.
c.
Repeat step a and step b for each DIMM.
d. Insert each DIMM
1
straight into the appropriate slot
2
of the
replacement cache module, ensuring that the notches in the DIMM align
with the tabs in the slot (see Figure 4–5).
e.
Press the DIMM gently into the slot
2
until seated at both ends.
f.
Engage the two retaining clips
3
for the DIMM.
g. Make sure both ends of the DIMM are firmly seated in the slot and both
retaining clips engage the DIMM.
h. Repeat step d through step g for each DIMM.
i.
Go to step 11 on page 4–17.
Installing a Controller and Cache Module
Use the following steps to install a controller and supporting cache module in a
dual-redundant controller configuration.
CAUTION: ESD can easily damage the controller, cache module, or DIMM. Wear a
snug-fitting, grounded ESD wrist strap.
IMPORTANT: The replacement cache module must contain the same cache memory
configuration as the module being replaced.
1. Insert each DIMM
1
straight into the appropriate slot
2
of the replacement cache
module, ensuring that the notches in the DIMM align with the tabs in the slot (see
Figure 4–5).