Installing Or Replacing A Memory Module; Memory Modules - Lenovo 6423 Installation Manual

Installing or replacing a memory module

This section provides instructions on how to replace a memory module.
Note: Your computer has support for four memory modules.
1. Open the computer cover. See "Opening the cover" on page 12.
2. Locate the memory-module connectors. See "Identifying parts on the system
Figure 24. Memory modules
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ThinkStation Hardware Installation and Replacement Guide
Attention
Do not open your computer or attempt any repair before reading the "Important safety
information" in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at:
http://www.lenovo.com/support/
board" on page 9. If you are installing additional memory be sure the retaining
clips are open.