Locating Parts On The System Board - Lenovo ThinkCentre 3379 User Manual

Locating parts on the system board

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