Dell 100-Mbps manual

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Information in this document is subject to change without notice.

©1996 Dell Computer Corporation. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and OptiPlex are registered trademarks of Dell Computer Corporation; Intel and Pentium are registered trademarks of Intel Corporation; Microsoft, MS-DOS, Windows, and Windows NT are registered trademarks of Microsoft Corporation; Novell and NetWare are registered trademarks of Novell, Inc.; IBM is a registered trademark of International Business Machines Corporation; 3Com is a registered trademark of 3Com Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.

December 1996 P/N 84577

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Contents 659,&0$18$ Page Contents Chapter Removing and Replacing Parts Chapter Basic TroubleshootingChapter Beep Codes and Error Messages Index FiguresTables 16. Expansion-Card Cage RemovalPage Read This First System Overview System Features System Unit Orientation Front-Panel Features Dual-Processor Capability Advanced Expansion SubsystemAudio Controller Hard-Disk Drive OptionsEnhanced Dual-Interface Eide Subsystem PCI Video CardDesktop Chassis Thermal MonitoringSystem Unit System Power SupplyPin Assignments for the DC Power Connectors Smart SupportDC Power Connector P1 DC Power Distribution DC Power Connector P7Power Distribution System Board Layout Video MemoryMain Memory System Board JumpersInterrupt Assignments Jumper DescriptionsDMA Channel Assignments IRQ14Technical Specifications Technical SpecificationsNIC CtrlAltEnter To 149 F Page Basic Troubleshooting Initial User ContactExternal Visual Inspection Observing the Boot Routine Internal Visual Inspection Running the Diskette-Based Diagnostics Eliminating Resource ConflictsGetting Help Beep Codes and Error Messages Post Beep CodesPost Beep Codes System Error Messages HaltedSystem Error Messages System could not suc System Setup program Incorrect configuration During memory test Faulty or improperly System does not recog Faulty diskette, diskette MS-DOS unable to Defective sectors on dis At system start-up One or both micro Removing and Replacing Parts Recommended ToolsPrecautionary Measures Protection of the EquipmentFloor Stand Pull the floor stand away from the system unitSystem Unit Cover System-Unit Cover RemovalEject, Power, and Reset Buttons Eject, Power, and Reset Button RemovalFront-Panel Inserts Front-Panel Insert RemovalIndicator Card Indicator Card RemovalSpeaker Speaker RemovalDrives Drive HardwareDrives in the Drive Cage 5-Inch Diskette Drive Removal10 .25-Inch Drive Removal Hard-Disk Drives Lift the hard-disk drive bracket out of the system unit12. Hard-Disk Drive Removal System Power Supply 13. Power Supply RemovalMicroprocessor Fan 14. Microprocessor Fan RemovalSystem Board Components 15. System Board ComponentsExpansion Cards Expansion-Card CageExpansion Card 17. Expansion-Card RemovalRiser Board 18. Riser Board RemovalDIMMs 19. Dimm RemovalMicroprocessor/Heat Sink Assembly 21. Microprocessor Securing Clip22. Microprocessor Removal Terminator or Add-In Card Terminator CardAdd-In Card 24. Add-In Card RemovalSystem Battery Remove the batterySystem Board Remove the system board as followsSystem Setup Program System Setup Screens USBTable A-1. System Setup Categories Be shadowed or cached. If video problems Check the monitor documentation to make Table A-1. System Setup Categories Index Dskt connector, 1-12,4-16dual-processing,1-5 ECC DIMMs LINE-IN connector, 1-12,4-16 USB description Location, 1-4,1-12