Technical data

18
1. Locate the cache backup memory device that you want to upgrade, or identify the
location to add the new cache backup memory device.
Figure 5 Cache Backup Memory Device Locations in the CE7900
Controller Tray
1. Cache Backup Memory Device Slot 1
2. Cache Backup Memory Device Slot 2
3. Cache Backup Memory Device Slot 3
4. Cache Backup Memory Device Slot 4
2. Choose one of the following options:
— To upgrade cache backup memory device – Go to step 3.
— To install an additional cache backup memory device – Go to step 4.
Total Cache
Backup Memory
Device per
Controller (GB)
Number of Cache
Backup Memory
Devices per
Controller
Capacity of Each
Cache Backup
Memory Device
(GB)
Cache Backup
Memory Device
Slots Populated
414USB 3
824USB 3, USB 4
1644All
3248All