Replacing The Controller Memory Cache Modules - Compaq StorageWorks RAID Array 3000 Controller Shelf User Manual

If you cannot access the blowers from the rear of the cabinet, proceed as
follows:
1. Disconnect the cables from the front of the controller shelf and remove
the shelf from the cabinet.
2. Use a Phillips-head screwdriver to remove the safety screw in the upper
right corner or lower left corner of the blower.
3. Press the upper and lower blower mounting tabs together to release the
blower.
4. Pull the blower straight out to disconnect it from the shelf power
connector.
5. Align the replacement blower connector and push the blower straight in,
making sure that both mounting tabs lock in place.
6. Insert the Phillips safety screw.
7. Reinstall the shelf and reconnect the cables.
8. Verify that the shelf and all SBBs are operating properly by observing
the LEDs.
NOTE: If the blower status LEDs on the device I/O assembly are not off and all shelf
power supplies are operating, the second blower could have failed or the wrong blower
was replaced.

Replacing the Controller Memory Cache Modules

The memory cache modules in the RAID controller are replaced by removing
the controller from the shelf to gain access to the modules (see Figure 3-19).
Then, place the controller on a flat working surface and proceed as follows:
CAUTION: To prevent an electrical discharge from damaging the SIMMs,
always wear an ESD wrist strap connected to a suitable ground when handling
the memory chips.
Installation and Maintenance 3-33