Chapter 3. General informationThis IBM ® computer incorporates many of the latest advances in computertechnology and can be upgraded as your needs change.Adding hardware options to your computer is an easy way to increase itscapabilities. Instructions for installing external and internal options are included inthis publication. When adding an option, use these instructions along with theinstructions that come with the option.Go to Access IBM for general information about the use, operation, andmaintenance of your computer. Access IBM also contains information to help solveproblems and get repair service or other technical assistance.FeaturesThis section provides an overview of the computer features and preinstalledsoftware.MicroprocessorIntel ® Pentium ® 4 processor with either 256 KB or 512 KB of internal L2 cachememory and Intel NetBurst ™ micro-architectureMemoryv Support for two dual inline memory modules (DIMMs)– 2.5 V, 184-pin, 266MHz double data rate synchronous dynamic random accessmemory (DDR SDRAM)– 128 MB, 256 MB, 512 MB, or 1.0 GB (when available) DIMMs in anycombination (See “Installing memory” on page 25 for additional information.)v 512 KB flash memory for system programsInternal drivesv 3.5-inch, 1.44 MB diskette drivev Internal hard disk drivev EIDE CD-ROM or DVD-ROM drive (some models)Video subsystemv Dynamic video memory technologyv Accelerated graphics port (AGP) video adapter slot on the system board (somemodels)Audio subsystemIntegrated SoundMax 3 audio subsystemConnectivityv 10/100 Mbps integrated Intel Ethernet controller that supports the Wake onLAN ® featurev 56K V.90 data/fax PCI modem (some models)© Copyright IBM Corp. 2001 5