Dell B110 DC Power Connectors P8 and P9, DC Power Connector P4, DC Power Connector P6

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Pin Number Signal Name 18-AWG Wire Color

1	COM	Black
2	COM	Black
3	+12 VDC	Yellow
4	+12 VDC	Yellow

DC Power Connectors P8 and P9

Pin Number Signal Name 18-AWG Wire Color

1	+12 VDC	Yellow
2	COM	Black
3	COM	Black
4	+5 VDC	Red

DC Power Connector P4

Pin Number Signal Name 18-AWG Wire Color

1	-	No connect
2	COM	Black
3	COM	Black
4	+3.3 VDC	Orange
5	+5 VDC	Red
6	+12 VDC	Yellow

DC Power Connector P6

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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 DC Power Connector P1 DC Power Connector P2Pin Number Signal name Wire Color 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 P7Technical Specifications MemoryComputer Information 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 ManagementClearing Forgotten Passwords Changing Boot Sequence for Future BootsEnter system setup 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 Remove the microprocessor heat sink Remove the fan assembly System BoardRemoving the System Board Reinstall the fan assembly Installing the System BoardPower Supply Removing the Power SupplyReplacing the Power Supply Battery Replace the computer cover Replacing the Computer Cover

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