Lenovo THINKCENTRE 4473 - Manual (Page 25)

Locating components
Figure 3 “Component locations” on page 11 shows the locations of the various components in your
computer. To remove the computer cover, see “Removing the computer cover” on page 32.
Figure 3. Component locations
1 Heat sink and fan assembly 6 PCI card (installed in some models)
2 Memory modules 7 Cover presence switch (also called intrusion switch)
3 Optical drive 8 Rear fan assembly
4 Front audio and USB assembly 9 Power supply assembly
5 Internal speaker (available on some models) 10 Microprocessor
Chapter 1 . Product overview 11