Lenovo 3122 Manuel D’Utilisation
Figure 4. System board part locations
1
Microprocessor
11
Cover presence switch connector (also called intrusion
switch connector)
2
Microprocessor fan connector
12
Front USB connector
3
Memory slots (4)
13
Serial (COM 2) connector
4
Thermal sensor connector
14
PCI card slot
5
24-pin power connector
15
Power fan connector
6
Battery
16
Internal speaker connector
7
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
17
Front audio connector
8
SATA connectors (4)
18
PCI Express x1 card slots (2)
9
Front panel connector
19
PCI Express x16 graphics card slot
10
Front USB connector
20
System fan connector
21
4-pin power connector
Locating internal drives
Internal drives are devices that your computer uses to read and store data. You can add drives to your
computer to increase storage capacity and enable your computer to read other types of media. Internal
drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. Your
computer comes with the following factory-installed drives:
• An optical drive in bay 1
• A 3.5-inch hard disk drive in bay 3
computer to increase storage capacity and enable your computer to read other types of media. Internal
drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. Your
computer comes with the following factory-installed drives:
• An optical drive in bay 1
• A 3.5-inch hard disk drive in bay 3
When installing or replacing an internal drive, it is important to note the type and size of the drive that you
can install or replace in each bay and correctly connect the cables to the drive installed. Refer to the
can install or replace in each bay and correctly connect the cables to the drive installed. Refer to the
Chapter 1
.
Product overview
11