System Board Features | Dell 900 instruction

System Board

Figure 2-4 shows the system board connectors and sockets, and Table 2-1 describes their functions.

microprocessor	DIMM sockets (DIMMn)
socket (U9)

processor fan connector (FN1)

keyboard (lower) and mouse (upper) connectors (CN1)

parallel port, video, and serial port connectors (CN3)

USB port connector (CN6)

line-out connector (PH1)

audio signal cable connector (CN13)

processor

mode jumper (JPX1)

riser-board connector (SL1)

boot-block

select jumper (JP7)

NVRAM jumper (JPX2)

jumper (not used)

system board power

indicator (LED1)

DC main power input connector (CN2)

power button connector (JP1)

power-button indicator connector (JP2)

hard-disk drive activity indicator connector (JP3)

secondary IDE interface connector (CN7)

primary IDE interface connector (CN8)

front audio/USB board audio signal cable connector (CN4)

microphone connector (CN5)

headphone connector (CN5)

USB port connector (CN5)

front audio/USB board interface connector (CN12)

diskette-drive interface connector (CN16)

password jumper (JP6)

battery socket (BT1)

Figure 2-4. System Board Features

2-6 Dell Dimension 900 System Reference and Troubleshooting Guide

Image 26

Dell 900 manual System Board Features

Contents

Reference and Troubleshooting Guide Page Safety Instructions When Using Your Computer System Ergonomic Computing Habits When Working Inside Your Computer Protecting Against Electrostatic Discharge About This Guide Warranty and Return Policy InformationPreface Other Documents You May Need Notational Conventions No boot device available Typographical Conventions Xii Contents Basic Troubleshooting Software Solutions Checking Inside Your Computer Getting Help Index Figures Tables Xviii Hardware Features IntroductionPage Available Upgrades Padlock Ring Padlock Ring Installing Upgrades on the System Board Safety First-For You and Your Computer Installation Guidelines Removing and Replacing the Computer Cover Removing the Computer Cover Inside Your Computer Removing the Bezel Inside the Computer System Board Features System Board System Board Connectors and Sockets Password Jumper Jumpers Processor Mode Jumper Boot-Block Select Jumper Removing and Replacing the Riser-Board Bracket Removing the Riser-Board Bracket PCI Expansion Card Upgrades PCI Expansion Card Resources tab Installing Expansion CardsClick the Device Manager tab Removing the Filler-Bracket Cap 10. Installing an Expansion Card Adding Memory Removing Expansion Cards Installing a Dimm 11. Installing a Dimm Removing a Dimm 12. Removing a Dimm Replacing the System Battery 13. Drive Shelf 14. System Battery and Battery Socket Page Backing Up Data Files Basic TroubleshootingInstalling Additional Hardware and Software External Connections Checking the BasicsDellWare Support Power Start-Up Routine Environmental Factors Monitor Basic Troubleshooting Speakers Modem Network Cards Diskette Drives Optical Drives Basic Troubleshooting Starting the Dell Diagnostics Devices to Test Dell Diagnostics Main Screen Diagnostics Menu Menu Using the Dell DiagnosticsHighlight Select Devices to Test in the Diagnostics Menu Device KeysDevice Group Test Software Solutions Using the Power Management Features Windows 98, Windows Me, Reinstalling Drivers Http//support.dell.com Welcome Dell System Owner screen appears Using the Dell Dimension ResourceCD to Reinstall DriversYour System’s Drivers Temporarily Disabling the Virus-Scanning Program Resolving Software and Hardware Incompatibilities Windows Reinstalling Windows Double-clickRefresh Windows OS Click I accept the Agreement, and then click Next Reinstalling Windows Me Click Next in the Welcome to Windows Me window Reinstalling Windows Computer automatically restarts Checking Inside Your Computer Expansion Cards Expansion-Card Installation Modem Network Cards System Memory Reseating DIMMs If Your Computer Gets Wet If Your Computer Is Damaged Insert the Dell Dimension ResourceCD into the optical drive Getting Help Technical Assistance Ftp.dell.com Help ToolsWorld Wide Web Support@us.dell.com Product Information Problems With Your OrderTechnical Support Service Automated Order-Status System Returning Items for Warranty Repair or Credit Before You Call Diagnostics Checklist Diagnostics Checklist Web site http//support.jp.dell.com Dell Contact NumbersJapan System Specifications Table A-1. Technical Specifications System clock or 100 MHz matches external bus speed Drives Green Environmental Page Using the System Setup Program System Setup ProgramEntering the System Setup Program Table B-1. System Setup Navigation Keys System Setup Screens and Options Main Screen System Information Screen Product Information Screen Inch or None 44 MB, 3.5-inch default 2.88 MB, 3.5-inch720 KBDisk Drives Screen DVD-ROM, or None Multiword 1, Multiword 2, Ultra Mode 0, Ultra ModeUltra Mode 2, Ultra Mode 3, Ultra Mode 4, or Disabled Onboard Peripherals Screen IRQ Setting Disabled IDE CD-ROM Boot Options ScreenEnabled default and Disabled Your computer without technical assistance EnabledEnabled default or Disabled Date and Time Screen System Security Screen Normal default, Write Protect All Sectors, and WriteProtect Boot Sector Advanced Options Screen System default or Add-on Card 5X, 5X, 5.5X, 6X, 6.5X, 7X, 7.5X, or PnP/PCI Options Submenu Off, and Last State Disabling a Forgotten Password256 MB Clearing Nvram Page Post Beep Codes Update Bios withBeep Codes and System Messages System Messages Run the System Board Devices Expansion ROM Xxx Press Del Page Regulatory Notices Vcci Notice Japan Only Class a ITE Battery Disposal Class B ITEPage Index Reinstalling from Dell Dimension ResourceCD Nvram Page Technical assistance obtaining