Removing And Replacing System Memory; Removing System Memory - HP AB464-9003F Service Manual

6. If rack installed, slide the server completely into the rack. See
Rack" (page
7. Reconnect the power cables and power on the server. See
(page 89).

Removing and Replacing System Memory

System memory, or DIMMs, are located on a pair of memory boards inside the memory carrier
assembly.
WARNING!
disconnected from the server prior to performing this procedure.
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:
follow ESD safety precautions can result in damage to the server.

Removing System Memory

To remove system memory, follow these steps:
1. Power off the server and disconnect the power cables. See
(page 89).
2. If rack installed, slide the server out from the rack until it stops. See
from the Rack" (page
3. Unlatch the cover release lever on the top cover and remove the memory carrier assembly
cover. See
NOTE:
the top cover release lever must be open. You must remove the memory carrier because it
attaches directly to the processor board.
4. Remove the memory carrier assembly. See
(page 204).
NOTE:
recommends rotating the handles inward and snapping them into the locked position when
servicing the system DIMMs or any time the carrier is out of the chassis. Before replacing
the memory carrier assembly, press the button to release the extraction handles. Use the
handles to replace the memory carrier into the chassis.
5. Locate the DIMM you need to remove. Use
IDs",.
6. Lay the memory carrier assembly on side 0 or side 1 so that the memory board containing
the DIMMs that require servicing faces upward
7. Remove the memory carrier assembly side cover.
a. Press the release tabs
until the side cover releases from the top center of the assembly.
b. Rotate the side cover slightly to free the tabs from the retaining slots at the base of the
assembly
c. Lift the side cover off the assembly.
206 Removing and Replacing Server Components
177).
Ensure that the system is powered off and all power sources have been
Observe all ESD safety precautions before attempting this procedure. Failure to
176).
"Removing the Memory Carrier Assembly Cover" (page
You do not need to fully remove the top cover to service this component; however,
To avoid damage to the extraction handles, Hewlett Packard Enterprise
(Figure
(Figure 69).
"Removing the Memory Carrier Assembly"
Figure 70: "48-DIMM Memory Carrier Board Slot
(Figure 68).
68) on both sides of the extraction handle release button
"Inserting the Server into the
"Powering On the Server"
"Powering Off the Server"
"Extending the Server
179).