Lenovo ThinkCentre Edge 91 (English) User Guide - Page 49

Installing or replacing a memory module

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7. Pivot the card latch to the closed position to secure the PCI card. 5 6 7 8 3 4 Figure 14. Installing a PCI card 8. Reinstall the screw to secure the PCI card latch in place. 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 54. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support 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 16 GB system memory. When installing or replacing a memory module, use the following guidelines: • Use 1 GB, 2 GB, or 4 GB DDR3 UDIMMs in any combination up to a maximum of 16 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. Chapter 5. Installing or replacing hardware 37

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7. Pivot the card latch to the closed position to secure the PCI card.
Figure 14. Installing a PCI card
8. Reinstall the screw to secure the PCI card latch in place.
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 54.
Installing or replacing a memory module
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the
ThinkCentre Safety and Warranty Guide
that came with your computer. To obtain a copy of the
ThinkCentre
Safety and Warranty Guide
, go to:
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 16
GB system memory. When installing or replacing a memory module, use the following guidelines:
•
Use 1 GB, 2 GB, or 4 GB DDR3 UDIMMs in any combination up to a maximum of 16 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.
Chapter 5
.
Installing or replacing hardware
37