Identifying parts on the system board
System board locations are different depending on the machine type.
Machine Types 7390, 7391, and 7392
1 Microprocessor fan
connector
11 Front panel (power switch/LED) connector
2 Microprocessor and heat
sink
12 SATA IDE connectors (2)
3 Memory connector 1 13 Front USB connectors (2)
4 Memory connector 2 14 Serial (COM2 connector)
5 Clear CMOS/Recovery
jumper
15 PCI adapter connectors
6 Power supply connector 16 Front audio connector
7 Diskette drive connector 17 PCI Express x16 graphics adapter connector
8 IDE connector 1 18 PCI Express x1 graphics adapter connector
9 IDE connector 2 19 System fan connector
10 CMOS battery 20 12V power connector
116 Lenovo 3000 J Series