Lenovo ThinkCentre Edge 91 (English) User Guide - Page 50

slots. See Installing or replacing a PCI card

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UDIMM One UDIMM Two UDIMMs Three UDIMMs Four UDIMMs DIMM 1 X, 1 DIMM 2 X X, 1 X, 1 X, 2 DIMM 3 X, 2 X, 3 DIMM 4 X, 2 X, 3 X, 4 To install or replace a memory module, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See "Removing the computer cover" on page 32. 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 13. 5. Remove any parts that might prevent your access to the memory slots. Depending on your computer model, you might need to remove the PCI Express x16 graphics card for easier access to the memory slots. See "Installing or replacing a PCI card" on page 34. 6. Depending on whether you are installing or replacing a memory module, do one of the following: • If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 15. Removing a memory module 38 ThinkCentre Edge User Guide

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UDIMM
DIMM 1
DIMM 2
DIMM 3
DIMM 4
One UDIMM
X
Two UDIMMs
X, 1
X, 2
Three UDIMMs
X, 1
X, 2
X, 3
Four UDIMMs
X, 1
X, 2
X, 3
X, 4
To install or replace a memory module, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 32.
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 13.
5. Remove any parts that might prevent your access to the memory slots. Depending on your computer
model, you might need to remove the PCI Express x16 graphics card for easier access to the memory
slots. See “Installing or replacing a PCI card” on page 34.
6. Depending on whether you are installing or replacing a memory module, do one of the following:
•
If you are replacing an old memory module, open the retaining clips and gently pull the memory
module out of the memory slot.
Figure 15. Removing a memory module
38
ThinkCentre Edge User Guide