NEC Express5800 User Manual page 423

Installation
Install a DIMM in the following procedure.
IMPORTANT: The server supports DIMMs of low-profile type
(30-mm height) only.
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Remove the side cover.
3.
Remove the CPU duct cover.
4.
Push the DIMM to the socket straight.
NOTE:
the DIMM has key and key slot to prevent incorrect insertion.
IMPORTANT:
too much pressure can damage the socket.
If the DIMM is inserted into the DIMM socket, the lever is automatically closed.
5.
Install the components you have removed.
6.
Turn on the power of the server. Make sure that no error message appears in the POST.
If POST displays an error message, take a note on the message and see the POST error
messages listed in Chapter 8.
7.
Run the BIOS SETUP and select [Advanced] → [Memory Configuration] → [Memory
Information] to verify that the installed DIMM shows the status "Numeral". (See Chapter
4 for details.)
8.
Select "Yes" for [Advanced] → [Memory Configuration] → [Memory Retest].
This is required to update the hardware configuration information. See Chapter 4 for
details.
9.
If Windows operating system is in use, set the paging file size to the recommended value
or a greater value. See Chapter 5 for details.
Make sure of the orientation of DIMM. The terminal side of
Use extreme care when installing a DIMM. Applying
Upgrading Your Server 9-85