Dell B110 service manual Technical Overview, Inside View of Your Computer System Board Components

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Technical Overview

Dell™ Dimension™ 1100/B110 Systems Service Manual

Inside View of Your Computer

System Board Components

Power Supply DC Connector Pin Assignments

Inside View of Your Computer

CAUTION: Before you begin any of the procedures in this section, see the safety instructions located in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the computer cover.

System Board Components

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Contents Abbreviations and Acronyms Getting Started Before You BeginRecommended Tools Turning Off Your ComputerTurn off your computer Open the computer cover Back to ContentsRemoving the Computer Cover Inside View of Your Computer System Board Components Technical OverviewPower Supply DC Connector Pin Assignments Minimum Current a Maximum Current a Pin Number Signal name Wire Color DC Power Connector P1DC Power Connector P2 DC Power Connector P4 DC Power Connectors P8 and P9DC Power Connector P6 Pin Number Signal Name 18-AWG Wire ColorPin Number Signal Name 22-AWG Wire Color DC Power Connector P7Computer Information Technical SpecificationsMemory Video ConnectorsAudio Expansion BusControls and Lights PowerPhysical EnvironmentalBack to Contents Power Lights Advanced TroubleshootingRemove and then reinstall the memory modules Network LightsLight Pattern Problem Description Diagnostic LightsSuggested Resolution Yellow LEDCode Cause Beep CodesEnter the system setup program, verify System setup programSystem Messages Message Possible Cause Corrective ActionFDD Entering System Setup System SetupSystem Setup Screens OverviewDrive Configuration System Setup OptionsSystem Hard-Disk Drive SequenceMemory Information Boot SequenceCPU Information Integrated DevicesOption Settings Boot SequenceChanging Boot Sequence for the Current Boot Power ManagementEnter system setup Clearing Forgotten PasswordsChanging Boot Sequence for Future Boots Replace the computer cover Memory Installation Guidelines Removing and Installing PartsHard Drive Power Supply Floppy Drive Battery MemoryShut down the computer through the Start menu Installing MemoryReplace the computer cover PCI Cards CardsBefore installing any cards Removing the Front Panel Front PanelRemove the computer cover Removing the Front-Panel InsertReattaching the Front Panel Connecting Drive Cables General Installation GuidelinesDrives Hard DriveRemoving a Hard Drive Installing a Hard Drive Page Removing a Floppy Drive Floppy DriveInstalling a Floppy Drive Removing a CD/DVD Drive CD/DVD DriveInstalling a CD/DVD Drive Adding a Second CD or DVD Drive Page Removing the Processor ProcessorInstalling the Processor Page Removing the Fan Assembly Fan AssemblyReplacing the Fan Assembly Removing the System Board Remove the microprocessor heat sink Remove the fan assemblySystem Board Reinstall the fan assembly Installing the System BoardReplacing the Power Supply Power SupplyRemoving the Power Supply Battery Replace the computer cover Replacing the Computer Cover
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