Lenovo 3000 - Manual (Page 13)

The following illustration shows the locations of parts on the system board for
some computer models.
1 Microprocessor and heat sink 10 SATA IDE connectors
2 Fan connector 11 Clear CMOS/Recovery jumper
3 Memory connector 1 12 Front panel connector
4 Memory connector 2 13 Front USB connectors
5 Power connector 14 Front audio connector
6 Diskette drive connector 15 PCI adapter connectors
7 PATA secondary IDE connector 16 AGP adapter connector
8 PATA primary IDE connector 17 System fan connector
9 Battery 18 12v power connector
Chapter 1. Locations 5