Removing Memory Dimms; Installing Memory Dimms; Dimm Filler Requirements For 16-Dimm Memory Extender Board - HP rp4410 Service Manual

2. To view the deconfigured quad of memory, enter the in me command.
3. Enter the ser pdt clear command.
The following message displays followed by a 30 second delay:
If DIMM replacement is necessary, power down the system now: Use ^B
MP:CM> PC -OFF -NC, then pull power cord and replace DIMM. Otherwise,
the system will automatically reboot in 30 seconds.
4. You must remove power from the system within 30 seconds.
5. For instructions on removing and replacing the memory DIMM, see
DIMMs Installing Memory

Removing Memory DIMMs

WARNING!
from the server before removing or replacing system memory DIMMs.
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.
To remove system memory, follow these steps:
1. If rack-mounted, slide the server out from the rack until it stops. See
Rack-Mounted Server" (page
NOTE:
the rack.
2. Remove the front bezel. See
3. Remove the front cover. See
4. Remove the memory extender board. See
5. Identify the DIMM to be removed and push the extraction levers found on either side of
that DIMM slot outward to the open position. The DIMM ejects from the socket.
6. Remove the DIMM from the socket.

Installing Memory DIMMs

The standard configuration of HP 9000 rp4410 and rp4440 servers includes a 16-DIMM memory
extender board. This extender board must contain a minimum of one GB of memory (four 256
MB DIMMs loaded in quad 0 [connectors 0A, 0B, 0C, and 0D]).
Table 6-1 and
extender board.
Table 6-1 DIMM Filler Requirements for 16-DIMM Memory Extender Board
DIMMs Loaded
4 DIMMs in quad 0
8 DIMMs in quads 0 and 1
12 DIMMs in quads 0, 1, and 2
16 DIMMs in quads 0, 1, 2, and 3
DIMMs.
Ensure that the system is powered off and all power sources have been disconnected
Observe all ESD safety precautions before attempting this procedure. Failure to
149).
The memory extender board can be removed without removing the server from
"Removing the Front Bezel" (page
"Front and Top Covers" (page
Figure 6-8 show the filler requirements and slot IDs for the 16-DIMM memory
152).
"Removing the Memory Extender Board" (page
1
Fillers Required
Six fillers total: Two fillers in each quad 1, 2, and 3
Four fillers total: Two fillers in each quad 2 and 3
Two fillers total: Two fillers in quad 3
No fillers required
Removing Memory
"Accessing a
152).
System Memory DIMMs
155).
157