Toshiba Equium 3100 M - Manual (Page 5)

The PS/2 ™ keyboard port provides access to a PS/2-compatible keyboard.
The PS/2 mouse port provides access to a PS/2-compatible mouse.
The USB connector allows you to attach any of several USB devices as they become available.
The serial port lets you connect a serial printer or other serial device.
Video port for connecting a monitor.
The parallel port lets you connect a parallel printer or other parallel device, including ECP-
compatible devices.
The 3.5 mm headphone jack lets you connect stereo headphones or other audio output devices,
such as external speakers.
The 3.5 mm mini line-in jack lets you play and record stereo sound from an external audio device,
such as a stereo system.
The microphone port accepts a monaural microphone or other audio input device for audio input.
The joystick port lets you connect a joystick or other game device.
Indicator light and buttons