HP 1630 manual Dip Switch Settings, CPU Core Voltage Setting, Dip Switch System Board Settings

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Maintenance & Service Guide

Presario 1600 Series Portable Computers

Notice Preface Home Product Description Troubleshooting Illustrated Parts Catalog

Removal & Replacement Procedures Specifications Connector Pin Assignments Battery Pack

Dip Switch Settings

CAUTION: When replacing the system board, ensure the dip switch voltage settings on the system board are correct for the computer model and processor voltage marked on the processor chip. If the system board dip switch voltage settings are not correct, damage may occur to the computer and/or system board.

Dip Switch System Board Settings

CPU Core Voltage Setting

	Core Voltage	S1-1	S1-2	S1-3
	1.2V (Set as	On	Off	Off
	Default)	On	Off	Off
	Default)
	2.2V	Off	Off	On
	2.45V	Off	On	Off

Power OK Voltage Setting

	Core Voltage	S2-1	S2-2	S2-3
	1.2V (Set as	On	Off	Off
	Default)	On	Off	Off
	Default)
	2.2V	Off	Off	On
	2.45V	Off	On	Off

Bus Frequency Setting

	HCLK		S2-4
	66.6	Mhz (Set as	On
	Default)		On
	Default)
	66.0	Mhz	Off

NOTE: The black area on the dip switch indicates the position of the switch.

Bus Ratio Setting

FRACTION	S1-4	S1-5	S1-6
2.0X (133MHZ)	ON	OFF	OFF
2.5X (166MHZ)	ON	ON	OFF
3.0X (200MHZ)	OFF	ON	OFF
3.5X (233MHZ)	OFF	OFF	OFF
4.0X (266MHZ)	ON	OFF	ON
4.5X (300MHZ)	ON	ON	ON

Back to Preparing the Computer for Disassembly

Back to Specifications

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Contents

Maintenance & Service Guide Maintenance and Service Guide Maintenance & Service GuidePreface SymbolsTechnician Notes Serial Number Locating Additional InformationCompaq Presario 1600 Series Portable Computers Product DescriptionTroubleshooting Illustrated Parts Catalog Removal & Replacement Procedure Serial Number LocationSerial Number Location Specifications Connector Pin Assignments Battery Pack Models & Features FeaturesModels Front of Unit Front of UnitLeft Side Components Left Side ComponentsRight Side Components Right Side ComponentsBottom Of Unit Clearing the Power-On Password DiagnosticClearing the Power-On Password Preliminary StepsRunning Post Power On Self Test PostBefore Replacing Parts Troubleshooting Without DiagnosticsKeyboard Solutions Solving Minor ProblemsSolving Keyboard/Numeric Keypad Problems Hard Drive Solutions Solving Hard Drive ProblemsSolving Hard Drive Problems Probable Cause Solutions Format a Diskette SolutionsSolving Audio Problems ProblemSolving Audio Problems Probable Cause Solutions Solving Battery Pack and Battery Gauge Problems Solving Power Problems Power SolutionsSolving Power Problems Problem Probable Cause SolutionsCD Drive Solutions Solving CD Drive ProblemsSolving CD Drive Problems Probable Cause Solutions Solving Hardware Installation Problems Hardware Installation SolutionsMemory Solutions Solving Memory ProblemsProblem Solving Memory Problems Probable Cause Solutions Solving PC Card Problems PC Card SolutionsSolving PC Card Problems Probable Cause Solutions Global Settings tab,Solving Printer Problems Printer SolutionsTouch Pad Solutions Solving Touch Pad/Pointing Device ProblemsSolving Touch Pad/Pointing Device Problems Cause Solutions Error Codes Description Spare Part Number System UnitLCD BoardsDisplay Mass Storage Devices AC Power Cords Not Shown Description Spare Part Number CablesModem Cables Description Spare Part Number Miscellaneous Hardware and Screws Miscellaneous Parts Description SpareReturn Kits Description Quantity Electrostatic Discharge Service Considerations Tool and Software RequirementsScrews Speaker Assembly Cable Installation Cables and ConnectorsCable Positions Plastic PartsSequence ChartRemoving the Battery Pack Removing the Screws from the Palmrest Cover with Touch Pad Removing The Palmrest Cover with Touch PadRemoving the Palmrest Cover with Touch Pad Disconnecting the Palmrest Cover with Touch Pad Removing The Keyboard Removing the Keyboard Removing Screws and Heatspreader Removing The HeatspreaderReleasing and Removing the Status Panel Cover Removing The Status PanelBack to Preparing Computer for Disassembly Removing the Screws from the Interface Board Removing The Interface BoardMaintenance & Service Guide Removing the Interface Board with Header Attached Interface Board Components Designator Connector Interface BoardInterface Board Components Removing The Hard Drive Disconnecting the Hard Drive Data Cable from the Hard Drive Removing The Battery Charger Board Removing the Screws and the Battery ChargerBoard Removing the Screws from the CD Drive Removing The CD DriveOpening the CD Drive Tray Releasing the Lever Disconnecting the CD Drive Cable from the CD Drive Hard Drive Removing the Hinge Covers Removing The Display AssemblyRemoving Screws from the Display Assembly Removing the Display Assembly with Flex Cable Attached Removing the Screws from the Plastic Subpanel Assembly Removing The Plastic Subpanel AssemblyReleasing the Plastic Subpanel Assembly Removing the Plastic Subpanel Assembly from the Chassis Removing The CD Drive Cable Disconnecting the CD Drive Cable from the System BoardRemoving the Screws from the CD Guide Support Bracket Removing The Speaker AssemblyCable routing Removing The Modem Assembly Removing the Modem from the ChassisDisconnecting the Modem Cable from the Modem Removing The Diskette Drive Disconnecting the Diskette Drive Cable from the System BoardRemoving the Diskette Drive Standoff Remove the Diskette Drive from the Chassis Removing The Fan Status Panel Removing the Screws and Audio Assembly Board Removing The Audio Assembly BoardRemoving The System Board Removing the Screws and Standoffs from System Board Maintenance & Service Guide Dip Switch Settings CPU Core Voltage SettingDip Switch System Board Settings Removing the Screw from the Memory Module Door Removing The Memory ModuleRemoving the Memory Module from the System Board Rear Connectors Rear ConnectorsSystem Overview Port ReplicatorPower Management Port Replicator Rear Connectors Port Replicator Rear ConnectorsPin Connectors

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