Locating Parts On The System Board - Lenovo 0809B3U User Manual

Locating parts on the system board

Figure 4 shows the locations of the parts on the system board.
Figure 4. System board part locations
1 Microprocessor
2 Microprocessor fan connector
3 Memory slots (2)
4 Thermal sensor connector
5 24-pin power connector
6 Parallel connector
7 Battery
8 Cover presence switch connector
(Intrusion switch connector) (available in
some models)
9 SATA connectors (3)
10 Clear CMOS (Complementary Metal
Oxide Semiconductor) /Recovery jumper
11 Power fan connector
12 Front panel connector
13 USB connectors (2)
14 Serial (COM 2) connector
15 Front audio connector
16 Internal speaker connector
17 PCI card slots (2)
18 PCI Express x1 card slot
19 PCI Express x16 graphics card slot
20 System fan connector
21 4-pin power connector
22 PS/2 keyboard and mouse connector
Chapter 1. Product overview
11