Dell Inspiron 3800 - Manual (Page 51)

Adding Parts 51
The audio line-out connector is on the side of the APR.
Connector Icon Connector Description
Connect one or two USB devices, such as a USB
mouse.
Connect a PS/2-style keyboard or numeric
keypad.
Connect a PS/2-compatible mouse.
Connect a serial device, such as a serial mouse or
digital camera.
Connect a network interface cable.
Connect a parallel device, such as a printer.
Connect an external monitor.
Connect the AC adapter.
audio line-out connector