Lenovo 3000 Series - Manual (Page 14)

Lenovo Notebook Computer User Guide
Use ODD disk Reject button to eject the ODD disk or ODD tray.
See “Using Optical Media Drive” for details.
1.1.30 USB ports x2
Use these ports to connect up to two USB devices, such as a mouse,
a full‐size external keyboard, or a printer. The USB ports comply
with USB2.0 standards, which enable data transfer speeds 40 times
faster than the USB 1.1 standards. (The ports also support USB 1.1.)
Hint: The USB device supports PnP (Plug and Play)
technology. That means you can install and remove the
USB device when your computer is on.
Caution: Do not install or remove the USB device while the
computer is starting or shutting down.
1.1.31 Microphone‐in jack
Enables a microphone connection for audio input.
1.1.32 Headphone‐out jack
Enables a headphone or external connection for audio output. When
you connect the headphone or other devices, internal speakers are
automatically disabled.
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Front view with the display closed
33 System and Power Status Indicators
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