Battery-Backed Write Cache - HP ProLiant DL785 User Manual

4. Push and hold the spring-loaded latch to the side of the server, and lift up on the hinge.
5. Unlock the retaining clip (for full-length expansion boards).
6. Install the expansion board.
7. Lock the retaining clip (for full-length expansion boards) and close the latch.
8. Connect any required internal or external cables to the expansion board.
9. Replace the access panel
10. Slide the server into the rack.
11. Power up the server

Battery-backed write cache

The HP BBWC protects against hard boot, power, controller, and midplane board failures. The
server supports the following battery-backed options:
• 256-MB BBWC
• 512-MB BBWC
The BBWC consists of two parts: a battery pack and a storage cache module.
("Removing the access panel" (page
("Power up the server" (page
32)).
31)).
Battery-backed write cache 53