System board components
1 processor
2 processor-fan cable connector
3 power-cable connector 4 memory-module slots
5 power-button cable connector 6 coin-cell battery
7 wireless-card slot 8 chassis-fan cable connector
9 drive power-cable connector 10 primary hard-drive data cable
connector
11 optical-drive data-cable/
secondary hard-drive data-cable
connector
12 graphics-card slot
13 CMOS jumper 14 password jumper
14