User Service Guide, Third Edition - HP Integrity rx4640 Server

Removing and Replacing the Memory Extender Board
The memory extender board is located directly under the front cover of the chassis. The standard
memory extender board can hold up to 16 DIMMs. The high capacity memory extender board
can hold up to 32 DIMMs.
WARNING! Ensure that the server is powered off and all power sources have been disconnected
from the server prior to removing or replacing a memory extender board.
Voltages are present at various locations within the server whenever an AC power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION: Observe all ESD safety precautions before attempting this procedure. Failure to
follow ESD safety precautions can result in damage to the server.
Removing the Memory Extender Board
To remove a memory extender board, follow these steps:
1. If rack mounted, slide the HP server out from the rack until it stops. See “Extending the
Server From the Rack” (page 31).
NOTE: The memory extender board can be removed without removing the server from
the rack.
2. Remove the front bezel from the chassis. See “Removing the Front Bezel” (page 34).
3. Remove the front cover from the chassis. See “Removing the Front Cover” (page 35).
4. Press each latch on the two extraction levers located on each side of the memory extender
board. Figure 4-6 shows how to unlatch the memory extender board.
Figure 4-6 Opening the Memory Extender Board Latches
Removing and Replacing the Memory Extender Board 37