Locating parts on the system board
Figure 39 "System board part locations" on page 104 shows the locations of the parts on the system board.
Figure 39. System board part locations
1
4-pin power connector
2
Microprocessor
3
Microprocessor fan connector
4
Memory slots (4)
5
Serial (COM 2) connector
6
24-pin power connector
7
Power fan connector
8
SATA connectors (4)
9
Front panel connector
10
Front USB connectors (2)
104
ThinkCentre Hardware Maintenance Manual
11
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
12
Cover presence switch connector (also called intrusion
switch connector)
13
Internal speaker connector
14
Front audio connector
15
PCI card slots (2)
16
PCI Express x1 card slot
17
Battery
18
PCI Express x16 graphics card slot
19
System fan connector