Dell Latitude X1 - Manual (Page 4)

AC adapter connector — Connects the AC adapter so that you can run the computer on AC power instead of battery power. 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.
video connector
powered USB 2.0 connector
IEEE 1394 connector — Connects devices supporting IEEE 1394 high-speed transfer rates, such as some digital video cameras.
audio connectors
1 AC adapter connector
2 video connector
3 powered USB connector
4 1394 connector
5 audio connectors
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.
Connects an external monitor.
Connects USB 2.0 compliant devices, such as a mouse, keyboard, or printer. Can also be used for peripherals that require more than 5V of
power.