Locating Parts On The System Board - Lenovo 3257A9U User Manual

3
Hard disk drive (installed in some models)
4
System fan assembly

Locating parts on the system board

Figure 4 "System board part locations" on page 9 shows the locations of the parts on the system board.
Figure 4. System board part locations
1
Thermal sensor connector
2
Memory slots (2)
3
Battery
4
System fan connector
5
Internal speaker connector
6
Serial (COM) connector
7
SATA connector 2 and eSATA connector
8
PS/2 keyboard and mouse connector
9
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
7
Battery
8
Internal speaker
10
PCI card slot
11
Front USB connector 2
12
Cover presence switch connector (Intrusion switch
connector)
13
Front USB, front panel, and front audio connector
14
SATA connector 1
15
Microprocessor fan connector
16
4-pin power connector
17
Microprocessor
.
Chapter 1 Product overview
9