HP ProLiant DL785, User Manual

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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 ( “Removing the access panel” (page 32) ).
10. Slide the server into the rack.
11. Power up the server (
“Power up the server” (page 31) ).
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.
Battery-backed write cache 53