Dell 100-Mbps manual Front-Panel Features

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power button

power indicator

reset button

hard-disk drive access indicator

Figure 1-2. Front-Panel Features

3.5-inch drive

diskette/tape drive interface cable

DC power cable

power supply

AC power receptacle

voltage selection switch

parallel port connector

serial port 1 connector mouse connector

keyboard connector

serial port 2 connector

USB connector (2) NIC connector

drive cage

hard-disk drive bracket

system board

expansion-card cage

chassis

	video connector	card-slot openings
	microphone jack	card-slot openings
	microphone jack
	speaker-out jack	line-in jack
	speaker-out jack

Figure 1-3. Internal View

1-4 Dell OptiPlex GXpro Systems Service Manual

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Contents 659,&0$18$ Page Contents Chapter Basic Troubleshooting Chapter Beep Codes and Error MessagesChapter Removing and Replacing Parts 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 SubsystemHard-Disk Drive Options Enhanced Dual-Interface Eide SubsystemAudio Controller PCI Video CardDesktop Chassis Thermal MonitoringSystem Power Supply Pin Assignments for the DC Power ConnectorsSystem Unit 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