User’s Manual 2-4
NB500/NB505/NB520/NB525/NB550D/NB555D Series
■ Do not connect any cable other than a LAN cable to the LAN jack. It
could cause damage or malfunction.
■ Do not connect the LAN cable to a power supply. It could cause
damage or malfunction.
Cooling vents The cooling vents help keep the processor from
overheating.
External monitor port This port provides 15-pin, analog VGA port.
This port allows you to connect an external monitor
to the computer.
Some models are equipped with an external
monitor port.
Universal Serial Bus
(USB 2.0) port
One Universal Serial Bus port, which complies to
the USB 2.0 standard, is provided on the left side
of the computer.
The port with the icon has Sleep and Charge
function.
Please note that it is not possible to confirm the operation of all functions of
all USB devices that are available. In view of this it may be noted that some
functions associated with a specific device might not operate properly.
Do not block the cooling vents. Keep foreign metal objects, such as screws,
staples and paper clips, out of the cooling vents, Memory media slot and
USB port. Foreign metal objects can create a short circuit, which can cause
damage and fire, possibly resulting in serious injury.
Microphone jack A standard 3.5 mm mini microphone jack enables
connection of a microphone or other device for
audio input.
The port with the icon has Sleep and Music
function.
The integrated sound system provides support for the computer's internal
speakers and microphone, as allowing an external microphone and
headphones to be connected via the appropriate jacks.