Installing Or Replacing A Memory Module - Lenovo ThinkCentre A85 Hardware Maintenance Manual

5. Install the new PCI card into the appropriate PCI card slot on the system board. Then, install the screw
to secure the new PCI card in place.
Figure 47. Installing the PCI card
6. If necessary, connect any cables between the PCI card and the system board. See "Locating parts on
the system board" on page 104 to identify the various connectors on the system board.
7. To complete the installation or replacement, go to "Completing the parts replacement" on page 138.

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 memory slots for installing or replacing DDR3 SDRAM DIMMs that provide up to a
maximum of 16 GB of system memory. When installing or replacing a memory module, use 1 GB, 2 GB or 4
GB DDR3 SDRAM DIMMs in any combination up to a maximum of 16 GB of system memory.
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 107.
3. Lay the computer on its side for easier access to the system board.
4. Locate the memory slots on the system board. See "Locating parts on the system board" on page 104.
5. Remove any parts and disconnect any cables that might prevent your access to the memory slots.
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Chapter 9 Installing or replacing hardware: 0104, 0154, 7539, and 7548
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