16 System Infor mation Guidew w w . d e l l . c o m | s u p p o r t . d e l l . c o mAbout Your ComputerSee your online User’s Guide for detailed information about the computer. Depending onyour operating system, double-click the User’s Guide icon on your desktop, or click theStart button, click Help and Support Center, and then click User and system guides. Thefollowing items address some of the more commonly asked questions about the computer.• Modem and network adapter: The computer includes both a v.92 56K modem and a10/100 Ethernet LOM network adapter. For connector locations, see "Right Side View"later in this document. For more information on ports and connectors, see "AboutYour Computer" in your online User’s Guide.• Battery life and usage: Using the 4460-mAh battery that comes standard with thecomputer, you can expect from 3 to 4 hours of operating life from a single fully loadedbattery with average usage. Performing certain types of operations can significantlyreduce battery life.– For more information on battery usage and conserving power, see "Using a Battery"and "Power Management" in the User’s Guide.– For information on using lower-capacity batteries, see "Ensuring Sufficient Powerfor Your Computer" in the "Solving Problems" section of the User’s Guide.• Module bay devices: For information on the module bay and the devices it supports, see"Using the Module Bay" in the User’s Guide.• Docking devices: Your computer supports the Dell C/Dock Expansion Station and theDell C/Port Advanced Port Replicator.NOTE: Docking devices may not be available in all countries.– For information on your optional docking device, see the documentation thataccompanied the device.– For information on obtaining optimal performance when using a docking devicewith this computer, see "Docking Power Considerations" in the "Solving Problems"section of the User’s Guide.