Lenovo 8453 User Manual page 30

The following illustration shows the locations of parts on the system board for
some computer models.
14
User Guide
1
Microprocessor and heat sink
2
Microprocessor fan connector
3
Memory connector 1
4
Memory connector 2
5
Memory connector 3
6
Memory connector 4
7
Power connector
8
IDE connector
9
Diskette drive connector
10
SATA IDE connectors (4)
11
Clear CMOS/Recovery jumper
12
Front panel connector
13
Front USB connectors (2)
14
Battery
15
PCI Express x1 adapter connector
16
Serial (COM2) connector
17
Front audio connector
18
PCI adapter connectors
19
PCI Express x16 graphics adapter
connector (some models)
20
System fan connector
21
12v power connector