Chapter 2. HP–UX
EK–SM410–UP. A01
2–13
5. Remove the maintenance terminal cable (if attached).
6. Loosen the four mounting screws (refer to Figure 2–2) on each side of the front panel
with a medium blade screwdriver.
7. Use a gentle up-and-down rocking motion to loosen the module from the shelf
backplane.
8. Slide the module out of the shelf (noting which rails the module was seated in) and
place on an approved ESD work surface or mat.
2.5.4 Cache Module Removal
1. Use a gentle up-and-down rocking motion to loosen the module from the shelf
backplane.
2. Slide the write-back cache module out of the shelf, noting which rails it was seated
in, and place it on an approved nonconductive ESD mat.
WARNING
Do not allow the write-back cache to contact any
conductive surface, or injury and/or equipment
damage may result.
2.6
Installing the RAID Array 450 Cache Module, Controller, and ECB
2.6.1 Installing the Cache Module
Use the following procedure to install the write-back cache module:
1. Slide the write-back cache module into the appropriate slot in the shelf.
2. Use a gentle up-and-down rocking motion to help seat the module into the
backplane. Press firmly on the module until it is seated. Finally, press firmly once
more to make sure the module is seated.
3. Tighten the two screws on the front panel using the medium flat blade screwdriver.
2.6.2 Installing the Controller Module
1. To install the controller module, slide the module into the shelf.
2. Use a gentle up-and-down rocking motion to help seat the module into the
backplane. Press firmly on the module until it is seated. Finally, press firmly once
more to make sure the module is seated.
3. Tighten the two screws on the front panel using the medium flat blade screwdriver.
2.6.3 Installing the External Cache Battery
1. Select an unused SBB slot and push the External Cache Battery module in until it
seats.
2. Connect one end of the battery cable to the battery module using the small flat blade
screwdriver.
