Dell D420 specifications Bottom View

IEEE 1394 Connector — Connects devices supporting IEEE 1394 high-speed transfer rates, such as some digital video cameras.

NOTE: The D420 has been optimally designed to be used with the slim Media Base for docking. However, it is compatible with the D-Family D/Port and D/Dock. With the use of the D-Family D/Port and D/Dock, all ports can be effectively utilized except for the 1394 port. If the use of this port is required, it is recommended that you utilize the Media Base as your primary docking device.

infrared sensor — Lets you transfer files from your computer to another infrared-compatible device without using cable connections.

When you receive your computer, the infrared sensor is disabled. You can use the system setup program (see System Setup Program) to enable the infrared sensor. For information on transferring data, see Windows Help, the Help and Support Center, or the documentation that came with your infrared-compatible device. For information on accessing the Help and Support Center, see Windows Help and Support Center.

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.

CAUTION: The AC adapter works with electrical outlets worldwide. However, power connectors and power strips vary among countries. Using an incompatible cable or improperly connecting the cable to the power strip or electrical outlet may cause fire or equipment damage.

NOTICE: When you disconnect the AC adapter cable from the computer, grasp the connector, not the cable itself, and pull firmly but gently to avoid damaging the cable.

air vents — The computer uses an internal fan to create airflow through the vents, which prevents the computer from overheating.

NOTE: The computer turns on the fan when the computer gets hot. Fan noise is normal and does not indicate a problem with the fan or the computer.

Bottom View

CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your computer in a low-airflow environment, such as a closed briefcase, while it is running. Restricting the airflow can damage the computer or cause a fire.

1	battery	3	battery-bay latch release (2)	5	air vent
2	battery charge gauge	4	memory module/WLAN Mini-Card cover	6	docking device slot