Locating Parts On The System Board - Lenovo ThinkCentre 3231 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 Microprocessor
2 Microprocessor fan connector
3 Memory slot 1
4 Memory slot 2
5 Memory slot 3
6 Memory slot 4
7 24-pin power connector
8 Thermal sensor connector
9 Diskette drive connector
10 SATA connectors (3)
11 Parallel (LPT) connector
12 Power fan connector
13 eSATA connector
14 Front panel connector
15 Front USB connector 1
16 Front USB connector 2
17 Clear CMOS (Complementary Metal Oxide
Semiconductor)/Recovery jumper
18 Serial (COM2) connector
19 Front audio connector
20 Internal speaker connector
21 PCI card slots (2)
22 Cover presence switch (also called Intrusion
switch) connector
23 PCI Express x1 card slot
24 PCI Express x16 graphics card slot
25 Battery
26 System fan connector
27 4-pin power connector
Chapter 1. Product overview
11