NEC Express5800/140Rc-4 User Manual page 334

9-48 Upgrading Your Server
Installation
Install a DIMM in the following procedure.
IMPORTANT:
the server uses interleaved memory. If DIMMs of different
specifications* are installed in a group, the server does not operate
normally.
* DIMM specification is shown on the label attached to the DIMM as
follows:
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Pull out the server from the rack.
3.
Remove the rear access cover.
4.
Remove the CPU access cover.
5.
Remove the memory board.
6.
Locate the DIMM group which you are going to install DIMMs.
7.
Open the levers at both ends of the socket (1).
IMPORTANT:
force to the lever.
8.
Push the DIMM straight into the socket (2).
IMPORTANT:
too much pressure can damage the socket. Keyed DIMMs insert only
one way.
Install four additional DIMMs for each group because
Example: Frequency of 200 MHz, buffered, capacity of 128 MB,
raw address of 12 bits, column address of 10 bits, and
single side
200 / B / 128 / R12 C10 S
Raw address
Capacity
Buffered
Frequency
To avoid damaging the lever, do not apply an excess
Use extreme care when installing a DIMM. Applying
Single side
Column address