System board components
1
power-button cable connector
3
I/O-cable connector
5
hard-drive and optical drive power-
cable connector
7
hard-drive data cable connector
9
processor-fan cable connector
11
password clear jumper
2
coin-cell battery
4
memory-module (slot 2)
6
wireless-card slot
8
optical-drive data cable connector
10
service mode jumper
12
CMOS clear jumper
15