Lenovo 4221 Laptop User Manual


 
Figure 2. Rear connector locations
1 Power cord connector 8 Microphone connector
2 Serial port
9 Audio line-out connector
3 PS/2® keyboard and mouse connectors
(optional)
10 Audio line-in connector
4 VGA monitor connector (not applicable on
some models)
11 PCI Express x16 graphics card slot
5 DisplayPort connector (not applicable on
some models)
12 PCI Express x1 card slot
6 USB connectors (6) 13 PCI card slots (2)
7 Ethernet connector
Locating components
Figure 3 “Component locations” on page 71 shows the locations of the various components in your
computer. To remove the computer cover, see “Removing the computer cover” on page 73.
70 Hardware Maintenance Manual