Lenovo 3231 Personal Computer User Manual


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