Installing A Memory Module - IBM BladeCenter HS20 7981 Problem Determination And Service Manual

Complete the following steps to remove a DIMM:
1. Read the safety information that begins "Safety" on page vii and "Installation
2. If the blade server is installed in a BladeCenter unit, remove it (see "Removing
3. Remove the blade server cover (see "Removing the blade server cover" on
4. Locate the DIMMs on the system board. Determine which DIMM you want to
5. Move the DIMM retaining clips on the side of the DIMM socket to the open
6. Using your fingers, pull the DIMM out of the DIMM socket.
7. If you are instructed to return the DIMM, follow all packaging instructions, and

Installing a memory module

Note: If you are replacing a faulty DIMM, make sure that the replacement DIMM is
the correct type of memory. If you are adding DIMMs, install the DIMMs in the
sequence shown in the following table. See the Installation and User's Guide for
additional information about the type of memory that is compatible with the server.
64
BladeCenter HS20 Type 7981: Problem Determination and Service Guide
guidelines" on page 55
the blade server from a BladeCenter unit" on page 57).
page 59).
remove from the blade server.
position by pressing the retaining clips away from the center of the DIMM
socket.
Attention: To avoid breaking the retaining clips or damaging the DIMM
connectors, handle the clips gently.
use any packaging materials for shipping that are supplied to you.
Pair
First
Second
DIMM
Retaining clip
DIMM connectors
1 (J113) and 2 (J111)
3 (J112) and 4 (J110)