Step 1. Pivot the CMOS battery to insert it into the socket, with positive (+) side faces up.
Step 2. Press the battery straight down until it clicks in place.
Figure 40. CMOS battery installation
After you install the CMOS battery, complete the following steps:
1. Install the node if needed (see
“Install a node” on page 101).
2. Reconnect power cords and all external cables.
DIMM replacement
Use the following information to remove and install a DIMM.
Remove a DIMM
Use this information to remove a DIMM.
Attention: Memory modules are sensitive to static discharge and require special handling. In addition to the
standard guidelines for
“Handling static-sensitive devices” on page 39:
• Always wear an electrostatic-discharge strap when removing or installing memory modules. Electrostatic-
discharge gloves can also be used.
• Never hold two or more memory modules together so that they touch. Do not stack memory modules
directly on top of each other during storage.
• Never touch the gold memory module connector contacts or allow these contacts to touch the outside of
the memory-module connector housing.
• Handle memory modules with care: never bend, twist, or drop a memory module.
Before you remove a DIMM, complete the following steps:
1. Read the following sections to ensure that you work safely.
•
“Safety” on page iii
• “Installation Guidelines” on page 37
2. Turn off the server. Disconnect the power cords and all external cables (see “Power off the server” on
page 16
).
3. Remove the node from the enclosure if needed (see
“Remove a node” on page 98).
4. Locate the DIMM connectors. Determine which DIMM you want to remove from the server.
Chapter 3. Hardware replacement procedures 57
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