Dell Inspiron 20 (3045, Early 2014) - Manual (Page 14)

System Board Components
1 fan-cable connector 2 optical-drive cable connector
3 hard-drive cable connector 4 hard-drive and optical-drive
power cable connector
5 converter-board cable connector 6 control-buttons cable
connector
7 speaker-cable connector 8 coin-cell battery
9 memory-module connectors (2) 10 camera-cable connector
11 display-cable connector 12 wireless-card connector
14