Installing Or Replacing A Memory Module - Lenovo 3376 Maintenance Manual

Figure 60. Installing a PCI card
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 158.

Installing or replacing a memory module

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page 1.
This section provides instructions on how to install or replace a memory module.
Your computer has four slots for installing or replacing DDR3 UDIMMs that provide up to a maximum of
32 GB system memory. When installing or replacing a memory module, use 2 GB, 4 GB, or 8 GB DDR3
UDIMMs in any combination up to a maximum of 32 GB.
The following table provides information about the memory module installation rules that you should
consider when installing or removing a memory module. The "X" mark indicates the memory slot(s) into
which the memory module(s) should be installed in different situations. The numbers 1, 2, 3, and 4 indicate
the installation sequence. To locate the memory module slots, see "Locating parts on the system board"
on page 79.
UDIMM
One UDIMM
Two UDIMMs
Three UDIMMs
Four UDIMMs
DIMM 1 DIMM 2
X, 3
X, 3
Chapter 10
DIMM 3
X
X, 1
X, 1
X, 1 X, 4
.
Replacing FRUs (machine types: 3377, 3386, and 3388)
DIMM 4
X, 2
X, 2
X, 2
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