Lenovo ThinkCentre A70 Hardware Maintenance Manual for ThinkCentre A70 - Page 113

Installing or replacing a memory module

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Figure 45. 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 99 to identify the various connectors on the system board. 7. To complete the installation or replacement, go to "Completing the parts replacement" on page 132. 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 two memory slots for installing or replacing DDR3 SDRAM DIMMs that provide up to a maximum of 4 GB of system memory. When installing or replacing a memory module, use 1 GB or 2 GB DDR3 SDRAM DIMMs in any combination up to a maximum of 4 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 101. 3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 102. 4. Pivot the drive bay assembly upward to gain access to the memory slots. See "Accessing the system board components and drives" on page 104. 5. Locate the memory slots on the system board. See "Locating parts on the system board" on page 99. Chapter 9. Replacing FRUs (Machine Types: 0889, 5023, and 7844.) 107

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Figure 45. 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 99 to identify the various connectors on the system board.
7. To complete the installation or replacement, go to “Completing the parts replacement” on page 132.
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 two memory slots for installing or replacing DDR3 SDRAM DIMMs that provide up to a
maximum of 4 GB of system memory. When installing or replacing a memory module, use 1 GB or 2 GB
DDR3 SDRAM DIMMs in any combination up to a maximum of 4 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 101.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 102.
4. Pivot the drive bay assembly upward to gain access to the memory slots. See “Accessing the system
board components and drives” on page 104.
5. Locate the memory slots on the system board. See “Locating parts on the system board” on page 99.
Chapter 9
.
Replacing FRUs (Machine Types: 0889, 5023, and 7844.)
107