Lenovo ThinkCentre M82 Hardware Maintenance Manual page 90

Figure 10 "System board part locations" on page 84 shows the locations of the parts on one type of system
board.
Figure 10. System board part locations
1
4-pin microprocessor power connector
2
Microprocessor
3
Microprocessor fan connector
4
Memory slot 1 (DIMM 1)
5
Memory slot 2 (DIMM 2)
6
Memory slot 3 (DIMM 3)
7
Memory slot 4 (DIMM 4)
8
Thermal sensor connector
9
4-pin SATA power connectors (2)
10
14-pin power connector
11
SATA connectors 1 and 2 (SATA 3.0 connectors)
12
Parallel connector
13
eSATA connector
14
SATA connector 3 (SATA 2.0 connector)
15
Power fan connector
84
ThinkCentre Hardware Maintenance Manual
16
Front panel connector (for connecting LED indicators and
power switch)
17
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
18
Front USB connector 1 (for connecting USB ports 1 and 2
on the front bezel)
19
Battery
20
Front USB connector 2 (for connecting additional USB
devices)
21
Serial (COM2) connector
22
Internal speaker connector
23
Front audio connector
24
PCI card slots (2)
25
DisplayPort connector
26
PCI Express x1 card slot
27
PCI Express x16 graphics card slot
28
System fan connector
29
Cover presence switch connector (Intrusion switch
connector)
30
PS/2 keyboard and mouse connector