Dell Inspiron Mini Duo (1090, Late 2010) - Manual (Page 9)

7
About Your Dock
Back View Features
1
2
3
4
5
6
7
8
1 mute button 5 USB 2.0 connectors (2)
2 volume control buttons 6 AC adapter connector
3 security cable slot 7 Audio-out/Headphone connector
4 7-in-1 Media Card Reader 8 network connector