Accessing the system board components and drivesThis section provides instructions on how to access the system board componentsand drives.To access the system board components and drives:1. Open the computer cover. See “Opening the computer cover” on page 12.2. On some models, you might need to pivot the drive bay assembly upward andremove the hard disk drive to access the internal components. See “Replacingthe hard disk drive” on page 21.Note: Make sure you note the location of any cables that you disconnect fromthe drives or the system board.Attention: Make sure the hard disk drive assembly is in the latched downposition before closing the computer cover to prevent damage to the hard diskdrive assembly.Installing or replacing a memory moduleAttentionDo 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 withyour computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to:http://www.lenovo.com/supportThis section provides instructions on how to install or replace a memory module.Your computer has two slots for installing or replacing DDR2 DIMMs (double datarate 2 dual inline memory modules) that provide up to a maximum of 4 GBsystem memory.Figure 6. Pivoting the drive bay assemblyChapter 2. Installing options and replacing hardware 13
