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Locating components
Figure 3 “Component locations” on page 76 shows the locations of the various components in your
computer. To remove the computer cover, see “Removing the computer cover” on page 79.
Figure 3. Component locations
1 Heat sink and fan assembly
7 Hard disk drive
2 Microprocessor
8 PCI card (installed in some models)
3 Memory modules
9 System board
4 Optical drive 10 Cover presence switch (also called intrusion switch)
5 Front audio and USB assembly
11 Rear fan assembly
6
Internal speaker (available on some
models)
12
Power supply assembly
76 ThinkCentre Hardware Maintenance Manual