Compaq 1266, 1275, 1272, 1267, 1274, 1273, 1262, 1260, 1255, 1256 manual Removing the Upper CPU Cover

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Presario 1200 Series

Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275

Before You Begin

 

Specifications

 

Parts Catalog

 

 

 

 

 

 

 

 

 

 

Removal Sequence

 

Troubleshooting

 

Battery Operations

 

 

 

 

 

 

 

 

 

Index

Product Description

 

Pin Assignments

 

 

 

 

 

 

Removing the Upper CPU Cover

Electrostatic

Discharge

Service

Considerations

Cables and

Connectors

Preparing the

Computer for

Disassembly

Battery Pack

Palmrest

Cover with

Touch Pad

Heatspreader

Keyboard

Processor

Hard Drives

CD Drive

Battery

Charger Board

Modem

Display Panel

Assembly

Upper CPU

Cover

Speaker

Assembly

Diskette Drive

Fan Assembly

System Board

Dip Switch

Settings

Memory

Module

To remove the Upper CPU cover complete the following steps:

1.Prepare the computer for disassembly.

2.Remove the palmrest cover with touch pad.

3.Remove the heatspreader.

4.Remove the keyboard.

5.Remove the hard drive.

6.Remove the display panel assembly.

7.Remove the screw located under the bottom of the unit (rear) which secures the Upper CPU cover to the chassis and remove four screws located on the top.

8.Lift the Upper CPU cover off the snaps on the chassis. This disconnects the power switch from the connector on the system board.

To replace the Upper CPU cover, reverse the previous procedures.

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Contents Index Before You BeginIndex Preface SymbolsProduct Description CompaqModels & Features Controls and Lights Front Panel ComponentsLeft Side Components Right Side Components Battery Compartment CD Drive CD Drive Eject ButtonRubber feet Bottom of UnitUSB Keyboard/Mouse Port Rear ConnectorsPower Management for Windows Display Properties Power Management SettingsPower Management Properties Sleep Time Out Default Hibernation ModeBattery Operating Time Rebooting After a Lockup Servicing Your Computer Full Off Mode Follow the Preliminary Steps TroubleshootingIf the problem is intermittent, check Preliminary Steps Recommended Action Power-On Self Test PostRunning Post Probable CauseRemove the Palmrest Clearing the Power-on PasswordAudio Compaq DiagnosticsPerform Computer Checkup Test View System Information InspectSelect error codes by number or type Diagnostic Error CodesBefore Replacing Parts Troubleshooting Without DiagnosticsSolving Minor Problems Solving Power Problems Solving PC Card ProblemsShipping Preparation Contacting Compaq SupportIllustrated Parts Catalog System Unit Place cursor over each device to obtain its part numberBoards BoardsDisplay Assembly Number Mass Storage DevicesPlace cursor over each device for a description of that item Miscellaneous Cables KitFrontPage Save Results Component Power CordModem Cables DescriptionMiscellaneous Hardware and Plastics Kit Miscellaneous Hardware and Plastics KitMiscellaneous Parts QuickFind Part Number Suffix Suffix Month Suffix Month Documentation and SoftwareDescription Spare Part Number Serial Number Location Removal and Replacement ProceduresGenerating Static Electrostatic DischargeTo service the computer, you need the following Service ConsiderationsPlastic Parts Cables and ConnectorsRemoving a Cable from a ZIF Connector Select the desired illustrationZIF Connectors Models 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, Ribbon cable position for the CD drive Ribbon cable position for the diskette drive Back to Cables and Connectors Preparing the Computer for Disassembly Preparing the Computer for DisassemblyBattery Pack Removing the Battery PackReturn to Removal Replacement ProceduresPalmrest Cover with Touch Pad Removing the Palmrest Cover with Touch PadWhen replacing the palmrest cover, ensure Return to Removal To remove the heatspreader, complete the following steps Removing the HeatspreaderHeatspreader To remove the keyboard, complete the following steps Removing the KeyboardKeyboard To remove the processor, complete the following steps Removing the ProcessorProcessor To replace the processor complete the following steps Index Hard Drives Removing the Hard DriveRemoval Sequence Replacement Procedures CD Drive Removing the CD DriveNext Step To replace the CD drive, reverse the previous procedures When replacing the battery charger board, ensure Removing the Battery Charger BoardBattery Charger Board Modem Removing the ModemDisconnect the modem cable from the modem Display Panel Assembly Removing the Display Panel AssemblyIndex Index Index When removing the display panel assembly Return to Removal Upper CPU Cover Removing the Upper CPU CoverSpeaker Assembly Removing the Speaker AssemblyTo remove the diskette drive, complete the following steps When replacing the diskette drive, ensure thatRemoving the Diskette Drive Diskette DriveReplacement Procedures Fan Assembly Removing the Fan AssemblyTo replace the fan assembly, reverse the previous procedure System Board Removing the System BoardRemove three standoffs from the system board Index Remove three screws from the system board To replace the system board, reverse the previous procedures Memory Module Removing the Memory ModuleReplacement Procedures Physical and Environmental SpecificationsHardware System Function System InterruptsSystem Interrupts Hardware DMA System Function System DMASystem DMA System I/O Address Address Hex System Function Shipping ConfigurationSystem I/O Address System board extension for PnP System Memory CatalogSystem Memory Catalog Texas Instruments PCI-1131 CardBrightness Overall DimensionsActive Area Contrast Ratio64-MB Memory Expansion System Memory Expansion Board Memory16-MB 32-MBEnvironmental Requirements Battery PackWeight Energy Battery Pack Nickel Metal Hydride NiMH Lithium IonRead/Write Number of Drives Supported Average ms Setting Time msDiskette Drive Capacity per Diskette Diskette SizeHard Drives Spin Up time Data Buffer Capacity 24× CD DriveRotational Speed Typical Transfer RateClick on a link Connector Pin AssignmentsDisposing of a Used Battery Pack Battery Pack Operating TimeIncreasing Battery Pack Operating Time Conditioning a Battery Pack

1256, 1272, 1266, 1260, 1274 specifications

The Compaq series of printers, specifically the models 1273, 1267, 1275, 1262, and 1255, represents a noteworthy chapter in the realm of commercial printing technology from the 1990s. Each model was designed to cater to various user needs, ranging from high-quality document printing to efficient office use.

The Compaq 1273 is characterized by its robust performance aimed at small to medium businesses. This model is equipped with high-resolution printing capabilities which allows for sharp and vibrant output, making it ideal for presentations and marketing materials. The 1273 also supports multiple paper sizes, enhancing its versatility for different printing tasks.

Moving on to the Compaq 1267, this model bridges the gap between compact design and high efficiency. It features a user-friendly interface that simplifies the printing process, making it accessible for users with varying tech proficiency. Additionally, the 1267 incorporates a fast print speed, ensuring that tasks are completed quickly without sacrificing quality.

The Compaq 1275 is notable for integrating advanced printing technologies aimed at increasing productivity. This model offers both black-and-white and color printing options, catering to diverse printing needs. Furthermore, the 1275 supports network connectivity, allowing multiple users to share the printer effectively, fostering collaboration within office environments.

The Compaq 1262 places an emphasis on cost-effectiveness, appealing to budget-conscious consumers. It provides essential functionalities without unnecessary features, making it a solid choice for home offices. Despite its lower price point, it still upholds a commendable print quality, ensuring that users do not have to compromise.

Lastly, the Compaq 1255 offers basic printing capabilities that are particularly suited for everyday tasks. It is designed for users who require reliable performance without the bells and whistles of higher-end models. The 1255 is lightweight and compact, making it easy to fit into various spaces, ideal for smaller work areas.

In conclusion, the Compaq series 1273, 1267, 1275, 1262, and 1255 present a range of features catering to different audiences. Each model encapsulates the brand's commitment to quality, efficiency, and user-friendliness, making them attractive options for various printing needs in the business landscape of the 1990s.
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