Silicon Graphics InfiniteStorage 4000 Series System Upgrade Manual page 62

Upgrading the Cache
Backup Memory
Device in the E5400
Controller-Drive Trays
54
2. Remove the cache memory DIMM from the slot on the controller card shown in
the following figure.
a. Pull back on each ejector handle to disengage the cache memory DIMM pins
from the slot on the controller card.
b. Lift the cache memory DIMM out of the slot.
c. Place the cache memory DIMM that you removed on a flat, static-free
surface.
Figure 40 Removing a Cache Memory DIMM
3. Install the new cache memory DIMM.
a. Align the new cache memory DIMM in the slot.
b. Gently push down on the cache memory DIMM to seat the pins into the slot.
The ejector handles rise up as the cache memory DIMM is inserted into the
slot. When these ejector handles are in the vertical position, the cache
memory DIMM is fully engaged and is locked in place.
4. Repeat this procedure for the other controller canister.
5. Perform one of these actions:
If you upgraded your cache memory DIMMs from 6 GB to 12 GB, go to
—
Upgrading the Cache Backup Memory Device in the E5400
Controller-Drive Trays
If you are upgrading your cache memory DIMMs from 12 GB to 24 GB,
—
you do not need to install an additional cache backup memory device. Go to
"Reinstalling the Controller Canister in the E5400 Controller-Drive
page 57.
The cache backup memory device provides a backup for the cache memory DIMMs.
If you are adding an additional cache backup memory device in one controller
canister, you also must add an additional cache backup memory device in the other
controller canister.
1. Cache Memory DIMM
2. Ejector Handles
on page 54.
Tray" on