Figure 5. System board parts locations
1
PCI card slot
2
PCI Express x16 graphics card slot
3
Internal speaker connector
4
Cover presence switch connector (Intrusion switch
connector)
5
Battery
6
Thermal sensor connector
7
Microprocessor fan connector
8
Microprocessor
9
4-pin power connector
10
Memory slot 2
11
Memory slot 1
12
Memory slot 4
Replacing the battery
Attention
Do not open your computer or attempt any repair before reading and understanding the "Important safety
information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkCentre Safety and Warranty Guide, go to:
http://www.lenovo.com/support
13
Memory slot 3
14
Front panel connector
15
PS/2 keyboard and mouse connector
16
Serial (COM 2) connector
17
Front audio connector
18
24-pin power connector
19
Power fan connector
20
SATA connectors (2)
21
eSATA connector
22
Front USB connectors (2)
23
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
.
Chapter 8
Replacing FRUs (Machine type: 7536)
71