2 Dell Dimension XPS Txxx and Txxxr Systems Reference and Troubleshooting Guidecomputercleaning, 1-6cover, 2-2features, 1-1internal view, 2-5, 2-6technical specifications, A-1configuration jumperlocation, 2-7settings, 2-10connectionstroubleshooting, 4-2connectors3.3-V power input, 2-7AGP, 2-7audio jacks, 2-7card-edge, 3-6CD-ROM drive audio cable, 2-7chassis cooling fan, 2-7control panel, 2-7diskette drive interface, 2-7ISA expansion-card, 2-7keyboard, 2-7list of, 2-8microprocessor SECC2 package, 2-7MIDI/game port, 2-7modem audio cable, 2-7mouse, 2-7parallel port, 2-7PCI expansion-card, 2-7power input, 2-7primary EIDE channel, 2-7SCSI hard-disk drive access indicatorcable, 2-7secondary EIDE channel, 2-7serial port, 2-7USB, 2-7cover and support beamremoving and replacing, 2-2DC power cablesabout, 2-5, 3-5location, 2-5, 2-6Dell Diagnosticsabout, 4-9Help menu, 4-12main screen, 4-11starting, 4-10Dell Dimension ResourceCD, 4-9, 4-10,5-6diagnosing problems, 1-3, 4-1, 7-1diagnostic code indicators, C-1diagnostic codes, C-1Diagnostics Checklist, 7-6diagnostics. See Dell DiagnosticsDIMMsinstalling, 2-16performance, 2-16removing, 2-18sockets, 2-7diskette drivescleaning, 1-7connecting, 3-5installing, 3-6interface cable, 2-5, 2-6interface connector, 2-7troubleshooting, 4-8drive cageremoval, 3-3driversaudio, 5-6installed on your system, 5-6other, 5-6reinstalling, 5-5, 5-6reinstalling from Dell DimensionResourceCD, 5-6drives3.5-inch, installing, 3-10, 3-125.25-inch, installing, 3-8See also diskette drives; hard-diskdrives; SCSI devices; tape drivesbays, 2-5, A-3cables, 2-5connecting to power, 3-5drive cage, 2-5formatting, 3-17, 3-21