HP 4100 manual Removing the Bios IC

Page 40

3.While holding the paper label in place, attach a serial label overlay into the outer recess. It covers and protects the serial label.

Removing the BIOS IC

(HP Authorized Service Providers Only)

Note

A replacement BIOS IC contains only enough basic programming to boot the OmniBook. After installing the IC, you must reprogram it. Hewlett-Packard prefers that you program the IC with the latest BIOS—follow the directions carefully. You can download it from the OmniBook website (see page vi).

Required Equipment

∙Small Phillips screwdriver.

∙IC insertion/removal tool.

Removal Procedure

1.Unplug the ac adapter, if present, and remove the battery.

2.On the bottom of the unit, remove the two screws from the RAM/BIOS cover and remove the cover.

3.Use an IC insertion/removal tool to remove the BIOS IC from its socket.

IC insertion/removal tool

Figure 2-12. Removing the BIOS IC

2-20 Removal and Replacement

HP OmniBook 4100

Image 40

Contents HP OmniBook Edition History Contents Figures TablesHP OmniBook Introduction Sources of OmniBook InformationSource Address or NumberProduct Information OmniBook 4100 ModelsFeatures and Operation OmniBook Front ViewPower Management Power States Product ComparisonsOmniBook OmniBook 2100/3100 Processor Memory Video Operating SystemActivating Power Modes Turning the OmniBook On and OffMain Status Lights LED Strip Cable Checking the Status of the OmniBookKeyboard Status Lights VGA PCA Using Fn Hot Keys Resetting the OmniBookFn Hot Keys Hot KeySystem Interrupts System ResourcesSystem Memory System Input/Output Addresses 100-3FF 10. DMA ChannelsSpecifications 11. OmniBook 4100 SpecificationsProduct Information HP OmniBook OmniBook 4100-Only Accessories 12. OmniBook 4100 AccessoriesOmniBook 7100, 4100, 3100, 2100 Accessories Replaceable Module Diagram Internal Design13. Functional Structure Docking portPage Removal and Replacement Removal Cross-ReferenceRequired Equipment Recommended Screw TorquesScrew Thread Size Torque kgfcm Torque inlbfRemoving the Battery or Plug-In Module Removal ProcedureRAM Board Replacement Part Numbers Removing a RAM BoardDescription Part Number Exchange Part NumberRemoving the Hard Disk Drive Hard Disk Drive Replacement Part NumbersDescription Part Number Exchange Part Number Installing a Hard Drive in the Cover Reassembly Notes Creating a Hibernate PartitionReplacing Small Parts Replacement ProcedureReplacing Small Parts User-Replaceable Removing the Keyboard Removing the KeyboardHint Removing the Display Assembly Removing the DisplayRemoving the LCD Module Display Component CompatibilityRemoval and Replacement HP OmniBook Removing the Display Reassembly Notes Removing the Top Case Removing the Top Case Reassembly Notes Removing the Motherboard or Bottom Case Removing the Motherboard Reassembly Notes 10. Installing Docking Doors and Module Latch Installing a New Serial Number LabelRemoving the Bios IC 12. Removing the Bios ICDisplay Bezel Display Case Removal Procedures Removing Other ComponentsRemoving Display Components Component Cable HolderComponent Display Latch Removing Top Case Components 10. Removing Bottom Case ComponentsFan Removal Procedures Component CPU Bottom Plate CPU Module MMO CPU Top PlateComponent Frame, Left Frame, Left or Right Heatsink Parts IR PCA Lvds PCAComponent Speaker, Left Speaker, Right Speaker Cover VGA PCATroubleshooting and Diagnostics Troubleshooting Troubleshooting the ProblemVerifying the Repair Suggestions for Troubleshooting Scope of Diagnostic ToolsSymptom Troubleshooting SuggestionsStartup Power/Battery Call Center SuggestionsRepair Center Likely Causes Repair Center CommentsErratic display Pointing stick Touch pad Call Center SuggestionsSerial/Parallel Accessories Symptom AC adapterMiscellaneous Check module contacts. Push system-off button OmniBook Diagnostic Program Diagnostic ToolsCreating a Diagnostic Floppy Disk Running the Diagnostic Test EnterOmniBook Diagnostic Error Codes Code Suggestions System TestsHard Disk Tests Parallel Port Tests Power-On Self-Test Post Terminal-Error Beep CodesBeep Codes Post DescriptionMessage Post MessagesDescription Allocation Error for device Message DescriptionSycard PCCtest 450 CardBus Card Optional Installing the DMI Package Uninstalling the DMI PackageUsing the DMI Interface Desktop Management Interface DMIContents of the DMI Package DMI ComponentsBios Setup Utility Running the Bios Setup UtilityBios Setup Menus and Parameters Main Menu DefaultSecurity Menu Default Power Menu DefaultBoot Menu Default Exit MenuPage Replaceable Parts Exploded View OmniBook Replaceable Parts User- Replaceable41 PCA, DC-DC Display Components Motherboard Components Assembly-Component Breakdown Accessory Replaceable PartsPart Number Reference PCA, VGA PCA, IR PCA, DC-DCPart Number Exchange Part Number F1460-69098 Password Removal Policy Reference InformationHewlett-Packard Display Quality Statement Reference Information HP OmniBookOmniBook 4100 LCD Guidelines TFT Page Page Part Number F1460-90020

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