Locating parts on the system board – Lenovo THINKCENTRE 4473 User Manual
Page 26
Locating parts on the system board
Figure 4 “System board parts locations” on page 12 shows the locations of the parts on the system board.
Figure 4. System board parts locations
1
4-pin power connector
15
eSATA connector
2
Microprocessor
16
Power fan connector
3
Microprocessor fan connector
17
Front panel connector (for connecting power switch and
LED indicators)
4
Memory slot 1 (DIMM1)
18
Front USB connector 1 (for connecting USB port 1and 2
on the front bezel)
5
Memory slot 2 (DIMM2)
19
Front USB connector 2 (for connecting additional USB
devices)
6
Memory slot 3 (DIMM3)
20
Serial (COM2) connector
7
Memory slot 4 (DIMM4)
21
Internal speaker connector
8
Thermal sensor connector
22
Front audio connector
9
24-pin power connector
23
PCI card slots (2)
10
Battery
24
PCI Express x1 card slot
11
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
25
PCI Express x16 graphics card slot
12
Parallel connector
26
System fan connector
13
SATA connectors 1 and 2 (SATA 3.0 connectors)
27
Cover presence switch connector (Intrusion switch
connector)
14
SATA connector 3 (SATA 2.0 connector)
28
PS/2 keyboard and mouse connector
12
ThinkCentre User Guide