Toshiba NB250 Maintenance Manual page 18

1.1 Features
 Internal Microphone
The computer has a built-in internal microphone equipped with echo-cancellation.
 Headphones/Line-out Jack
This jack connects speakers or stereo headphones. When connected to speakers or
headphones, the internal speaker is automatically disabled.
 Microphone/Line-in Jack
A 3.5mm mini microphone jack enables connection of a three-conductor microphone for
monaural input and also enables the connection of a stereo device for audio input.
 LAN
The computer has built-in support for 10M/100M Ethernet LAN (10/100 megabits per
second, 10/100BASE-T). It employs a Realtek 8105E for 10M/100Mbit LAN.
 Wireless LAN (BTO)
Some computers in this series are equipped with a Wireless LAN (WLAN) card. This
WLAN module may come with the following types (depending on the model):
 Atheros 802.11 bg (HB95 1x1)
NB250/NB255 Maintenance Manual
1 Hardware Overview
1-3