Lenovo ThinkCentre M83, Hardware Maintenance Manual

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6. Install the new card into the appropriate card slot on the system board and rotate the card retainer to the
closed position. See “Locating parts on the system board” on page 82.
Figure 107. 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 234.
Installing or replacing a memory module
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Safety information” on page 1.
This section provides instructions on how to install or replace a memory module.
Your computer has four memory slots for installing or replacing double data rate 3 small outline dual inline
memory modules (DDR3 SODIMMs) 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 slots into which
the memory modules 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 82.
UDIMM DIMM 1 DIMM 2 DIMM 3
DIMM 4
One UDIMM
X
Two UDIMMs X, 1 X, 2
Three UDIMMs X, 3 X, 1 X, 2
Four UDIMMs X, 3 X, 2 X, 4 X, 2
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ThinkCentre M83 and M93/p Hardware Maintenance Manual