Avago Technologies Cache Protection for RAID Controller Cards - Manual (Page 21)

Avago Technologies
- 21 -
Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide
May 2015 Chapter 2: Installing the Cache Backup Products
Installing the LSIiBBU05 Unit
2.2.2 Installing the LSIiBBU05 (LiON) Unit
The LSIiBB05 LiON intelligent BBU unit is designed for use on MegaRAID SAS RAID controllers. It protects the integrity
of the cached data on a MegaRAID controller for up to 72 hours in the event of a complete AC power failure or a brief
power outage.
The LSIiBB05 LiON battery cell technology, can be used in two application modes:
 Mode 1: The LSIiBB05 unit mounts directly to the following MegaRAID SAS RAID controllers using a small
board-to-board connector (daughtercard):
— MegaRAID SAS 8704ELP
— MegaRAID SAS 8708ELP
 Mode 2: The LSIiBB05 unit supports remote connection to the following SAS RAID controller using a 12-in. cable:
— MegaRAID SAS 8888ELP
2.2.2.1 Top View and Bottom View of the LSIiBB05 LiON Unit
The following figure shows the top view and the bottom view of the LSIiBB05 unit, the M2.50-0.45 x 5-mm screws, and
the 6-mm standoffs. (The top view is the side that you can see after you install the unit on the RAID controller.) The
LSIiBB05 unit combines a battery pack with a daughtercard.
Figure 9 LSIiBB05 LiON Unit and Components
1. J3 Battery Pack Harness Connector
2. Battery Pack Harness
3. J1 Connector
4. J2 Board-to-Board Connector