Dell B110 service manual DC Power Connector P7, Pin Number Signal Name 22-AWG Wire Color

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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 P7

Pin Number Signal Name 22-AWG Wire Color

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

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Contents Abbreviations and Acronyms Recommended Tools Before You BeginGetting Started Turning Off Your ComputerOpen the computer cover Back to Contents Turn off your computerRemoving the Computer Cover Technical Overview Inside View of Your Computer System Board ComponentsPower Supply DC Connector Pin Assignments Minimum Current a Maximum Current a DC Power Connector P2 DC Power Connector P1Pin Number Signal name Wire Color DC Power Connector P6 DC Power Connectors P8 and P9DC Power Connector P4 Pin Number Signal Name 18-AWG Wire ColorDC Power Connector P7 Pin Number Signal Name 22-AWG Wire ColorMemory Technical SpecificationsComputer Information Audio ConnectorsVideo Expansion BusPhysical PowerControls and Lights EnvironmentalBack to Contents Remove and then reinstall the memory modules Advanced TroubleshootingPower Lights Network LightsSuggested Resolution Diagnostic LightsLight Pattern Problem Description Yellow LEDBeep Codes Code CauseSystem Messages System setup programEnter the system setup program, verify Message Possible Cause Corrective ActionFDD System Setup Screens System SetupEntering System Setup OverviewSystem System Setup OptionsDrive Configuration Hard-Disk Drive SequenceCPU Information Boot SequenceMemory Information Integrated DevicesChanging Boot Sequence for the Current Boot Boot SequenceOption Settings Power ManagementChanging Boot Sequence for Future Boots Clearing Forgotten PasswordsEnter system setup Replace the computer cover Hard Drive Power Supply Floppy Drive Battery Removing and Installing PartsMemory Installation Guidelines MemoryInstalling Memory Shut down the computer through the Start menuReplace the computer cover Cards PCI CardsBefore installing any cards Front Panel Removing the Front PanelRemoving the Front-Panel Insert Remove the computer coverReattaching the Front Panel Drives General Installation GuidelinesConnecting Drive Cables Hard DriveRemoving a Hard Drive Installing a Hard Drive Page Floppy Drive Removing a Floppy DriveInstalling a Floppy Drive CD/DVD Drive Removing a CD/DVD DriveInstalling a CD/DVD Drive Adding a Second CD or DVD Drive Page Processor Removing the ProcessorInstalling the Processor Page Fan Assembly Removing the Fan AssemblyReplacing the Fan Assembly System Board Remove the microprocessor heat sink Remove the fan assemblyRemoving the System Board Installing the System Board Reinstall the fan assemblyRemoving the Power Supply Power SupplyReplacing the Power Supply Battery Replace the computer cover Replacing the Computer Cover

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