Lenovo ThinkStation P300 (English) User Guide - Tower Form Factor - Page 88

Installing or replacing a memory module, do the following

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7. Pivot the card latch to the closed position to secure the PCI card. Figure 15. 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 111. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the "Read this first: Important safety information" on page v. 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 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 6. UDIMM One UDIMM Two UDIMMs Three UDIMMs Four UDIMMs DIMM 1 X, 3 X, 3 DIMM 2 X X, 1 X, 1 X, 1 DIMM 3 X, 4 DIMM 4 X, 2 X, 2 X, 2 To install or replace a memory module, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See "Removing the computer cover" on page 71. 3. Lay the computer on its side for easier access to the system board. 4. Locate the memory slots. See "Locating parts on the system board" on page 6. 76 ThinkStation P300 User Guide

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7. Pivot the card latch to the closed position to secure the PCI card.
Figure 15. 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 111.
Installing or replacing a memory module
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Read
this first: Important safety information” on page v.
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 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 6.
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, 1
X, 4
X, 2
To install or replace a memory module, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 71.
3. Lay the computer on its side for easier access to the system board.
4. Locate the memory slots. See “Locating parts on the system board” on page 6.
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ThinkStation P300 User Guide