Ac adapter, Audio devices, Modem connector – Dell Latitude L400 User Manual
Page 41: Nic connector, External media options, Microphone (mic in) jack, Ac adapter connector, External media bay connector, External media bay

To toggle the video image between the display, an external monitor, or both simultaneously, press
system setup program
is enabled.
If the external monitor is turned off when you boot your computer, the computer still sends the video image to the external monitor, but you will not
see an image on either the computer's display or the external monitor. To see an image, turn on the external monitor or switch the video image to
the computer
’s display by pressing
enabled.
AC Adapter
You can attach the
AC adapter
to the computer by using the AC adapter connector. The AC adapter converts AC power to the DC power required
by the computer.
You can connect the AC adapter with your computer turned either on or off.
The AC adapter works with electrical outlets worldwide. However, power connectors vary among countries. Before using AC power in a foreign
country, you may need to obtain a new power cable designed for use in that country.
Audio Devices
You can connect audio devices such as speakers, microphones, and headphones to the two
l
Connect the audio cable from a microphone to the microphone jack, also called the MIC IN jack.
l
Connect the audio cable from speakers to the headphones/speakers jack, also called the line-out/speaker-out jack.
Modem Connector
You can connect a telephone line to the integrated modem through the RJ11 modem connector on the back of the computer.
on your computer. Do not plug a telephone line into the NIC connector.
NIC Connector
You can connect to the integrated network interface controller (NIC) through the RJ45 connector on the back of the computer.
on your computer. Do not plug a telephone line into the NIC connector.
External Media Options
You can connect
external media options
such as CD-ROM, CD-RW, DVD-ROM, Zip 250, and diskette drives to the external media bay connector.
You can also connect a second (nonbootable) hard-disk drive.
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NOTE: If you are using your external monitor at a resolution greater than the display supports, the simultaneous display feature is
disabled. To use the display, switch to a resolution that the computer supports, or disconnect the external monitor and restart your
computer.
NOTE: If you are running Microsoft Windows 98, Windows NT®, Windows 2000, or Windows Me and you intend to install a PC Card
NIC, you should
disable the system's integrated NIC
to avoid problems.