HSG80 Array Controller V8.7 Maintenance and Service Guide
3–17
Replacement Procedures for BA370 Enclosure Elements
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 3–6).
e.
Press the DIMM gently into the slot 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.
Installing a Controller and Supporting 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 3–6).
2. Press the DIMM gently into the slot until seated at both ends.
3. Engage the two retaining clips
3
for the DIMM.
4. Make sure both ends of the DIMM are firmly seated in the slot and both retaining
clips engage the DIMM.
5. Repeat step 1 through step 4 for each DIMM.
6. Connect a PC or terminal to the maintenance port of the operational controller.