HP OMNIBOOK 4100 User Manual Page 1

®HP OmniBook 4100/4150Service Manual

HP OmniBook 4100/4150 Product Information 1-3Features and OperationThe following three illustrations point out the main external features of the compu

HP OmniBook 4100/4150 Replaceable Parts 4-13Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1472-80001 Drive, floppy

4-14 Replaceable Parts HP OmniBook 4100/4150Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1640-60923 Recovery CD, S

HP OmniBook 4100/4150 Replaceable Parts 4-15Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1660-60907 PCA, audio jac

4-16 Replaceable Parts HP OmniBook 4100/4150Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1746-80001 Drive, second

HP OmniBook 4100/4150 Reference Information 5-15 Reference InformationThis chapter includes the following reference information: • Password removal

5-2 Reference Information HP OmniBook 4100/4150Hewlett-Packard Display Quality StatementTFT display manufacturing is a high precision but imperfect te

HP OmniBook 4100/4150 Reference Information 5-3 Table 5-1. OmniBook 4100/4150 LCD Guidelines (TFT)Type of Imperfection Imperfections Not AllowedIBM 1

5-4 Reference Information HP OmniBook 4100/4150Type of Imperfection Imperfections Not AllowedCPT 14" TFT, XGA (OmniBook 4150B)Electrical Imperfec

HP OmniBook 4100/4150 Reference Information 5-5Type of Imperfection Imperfections Not AllowedSamsung 13" TFT, XGA (OmniBook 4100)Electrical Imper

5-6 Reference Information HP OmniBook 4100/4150Service Notes and Obsolete PartsService notes containing important repair information are issued period

1-4 Product Information HP OmniBook 4100/4150 Figure 1-3. OmniBook - Rear ViewTurning the OmniBook On and Off • On. Press the blue power button to

1. Product Information2. Removal and Replacement3. Troubleshooting and Diagnostics4. Replaceable Parts5. Reference InformationPart NumberF1658-90

HP OmniBook 4100/4150 Product Information 1-5Checking the Status of the OmniBookThe main OmniBook status lights, located at the front-right edge of th

1-6 Product Information HP OmniBook 4100/4150Using Fn Hot KeysThe Fn key combined with another key is a hot key—a shortcut key sequence for various sy

HP OmniBook 4100/4150 Product Information 1-7System ResourcesBelow are default values for system resources. To see other, non-default possibilities, u

1-8 Product Information HP OmniBook 4100/4150 Table 1-9. System Input/Output Addresses (100-3FF)120-127 Audio (OmniBook 4150† only)170-177 Internal C

HP OmniBook 4100/4150 Product Information 1-9SpecificationsThe following tables list descriptions for the OmniBook and its accessories. Table 1-11. O

1-10 Product Information HP OmniBook 4100/4150Audio System16-bit, Sound Blaster Pro-compatible.SRS 3D enhanced audio.Stereo sound via two built-in spe

HP OmniBook 4100/4150 Product Information 1-11Major ICs OmniBook 4150B:CPU: Intel Mobile Pentium II.South Bridge: PIIX4M.Video: ATI Mobility-M or -M1.

1-12 Product Information HP OmniBook 4100/4150 Table 1-12. OmniBook 4100/4150 Series AccessoriesAccessory Description OmniBook Compat.4150B 4150†4100

Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Fac

HP OmniBook 4100/4150 Product Information 1-13DocksF1451A Port replicator••• •F1452A Mini dock••• •F1453A Monitor stand (short) for F1451A and F1452A•

1-14 Product Information HP OmniBook 4100/4150Internal DesignThe motherboard PCA is the central component of the OmniBook design. It plays a role in v

HP OmniBook 4100/4150 Product Information 1-15 Table 1-13. Functional StructureBootupCPU moduleMotherboardBIOS ICFloppy disk moduleHard disk driveMai

HP OmniBook 4100/4150 Removal and Replacement 2-12 Removal and ReplacementThis chapter tells you how to remove and replace the following components an

2-2 Removal and Replacement HP OmniBook 4100/4150 Notes Reassembly steps are the reverse of the removal steps. Reassembly notes are included at theend

HP OmniBook 4100/4150 Removal and Replacement 2-3Removing the Battery or Plug-In Module(User-Replaceable)Required Equipment • None.Removal Procedure

2-4 Removal and Replacement HP OmniBook 4100/4150Removing a RAM Board(User-Replaceable)The OmniBook 4100 has 32 MB of RAM on the motherboard and has o

HP OmniBook 4100/4150 Removal and Replacement 2-5Reassembly Notes • Insert the RAM board into the connector at about a 30° angle until it is fully i

2-6 Removal and Replacement HP OmniBook 4100/4150 5. If you are installing a new hard drive that does not have a cover, you can remove the cover part

ii HP OmniBook 4100/4150NoticeIn a continuing effort to improve the quality of our products, technical and environmental informationin this document i

HP OmniBook 4100/4150 Removal and Replacement 2-7 Important • If you are installing a new hard drive, create a Hibernate partition on the drive befo

2-8 Removal and Replacement HP OmniBook 4100/4150Replacing Small Parts(User-Replaceable)The following small parts are user-replaceable. Table 2-6. Re

HP OmniBook 4100/4150 Removal and Replacement 2-9Removing the Keyboard(HP Authorized Service Providers Only)Required Equipment • Small Phillips scre

2-10 Removal and Replacement HP OmniBook 4100/4150 Note For an OmniBook 4100 with a serial number between TW82000000 and TW83599999, if the datecode o

HP OmniBook 4100/4150 Removal and Replacement 2-11Removing the Display Assembly(HP Authorized Service Providers Only)Required Equipment • Small Phil

2-12 Removal and Replacement HP OmniBook 4100/4150Reassembly Notes • Before installing the display assembly, make sure a grounding spring is present

HP OmniBook 4100/4150 Removal and Replacement 2-13Removing the LCD Module(HP Authorized Service Providers Only) Note The exact details for removing th

2-14 Removal and Replacement HP OmniBook 4100/4150Required Equipment • Small Phillips screwdriver. • Pointed knife or probe.Removal Procedure 1.

HP OmniBook 4100/4150 Removal and Replacement 2-15 Figure 2-7. Removing the LCD ModuleScrew, M2.5×4mm (6)Screw cover, upper domed (2)Screw cover, lo

2-16 Removal and Replacement HP OmniBook 4100/4150Reassembly Notes Caution • Be sure to replace the LCD module or other display components with comp

HP OmniBook 4100/4150 iiiContents1.Product Information ...

HP OmniBook 4100/4150 Removal and Replacement 2-17Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these ad

2-18 Removal and Replacement HP OmniBook 4100/4150Reassembly Notes • Position the speaker on the pins on the bottom case before you install the spea

HP OmniBook 4100/4150 Removal and Replacement 2-19Removing the CPU Module(HP Authorized Service Providers Only) Caution For an OmniBook 4150 Series, d

2-20 Removal and Replacement HP OmniBook 4100/4150Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these ad

HP OmniBook 4100/4150 Removal and Replacement 2-21 Caution In the next step, follow these precautions to prevent damage to the CPU connectors: • Do

2-22 Removal and Replacement HP OmniBook 4100/4150Reassembly Notes • For an OmniBook 4100 or 4150†, before installing the CPU module, assemble it in

HP OmniBook 4100/4150 Removal and Replacement 2-23 Figure 2-11. Positioning Thermal PadsCPU, 333-400 Pentium II (D)(1 thermal padon bottom of top plat

2-24 Removal and Replacement HP OmniBook 4100/4150Removing the Motherboard or Bottom Case(HP Authorized Service Providers Only)Required Equipment •

HP OmniBook 4100/4150 Removal and Replacement 2-25 7. Unplug the fan cable from the motherboard. 8. On the left frame, remove the screw that holds t

2-26 Removal and Replacement HP OmniBook 4100/4150 Figure 2-12. Removing the MotherboardScrew, M2×14mm (2)*Screw, M2×3.5mm or*M3×4mmCPU with top pla

iv HP OmniBook 4100/4150FiguresFigure 1-1. OmniBook - Front View...

HP OmniBook 4100/4150 Removal and Replacement 2-27Reassembly Notes Note: Installing a New Motherboard • Caution: Replace the motherboard with one th

2-28 Removal and Replacement HP OmniBook 4100/4150 Figure 2-13. Installing Docking Doors and Module LatchStoring the Serial

HP OmniBook 4100/4150 Removal and Replacement 2-29Removing or Repairing the BIOS IC(HP Authorized Service Providers Only)For the OmniBook 4150 Series,

2-30 Removal and Replacement HP OmniBook 4100/4150Reassembly Notes Caution • Replace the BIOS IC with one that is compatible with the CPU module—see

HP OmniBook 4100/4150 Removal and Replacement 2-31 1412513 Figure 2-16. Boot-Block JumperRemoving Other Components(HP Authorized Service Providers On

2-32 Removal and Replacement HP OmniBook 4100/4150Component Removal Procedures Additional Steps (See figure on page 4-7)Display Latch(part of display

HP OmniBook 4100/4150 Removal and Replacement 2-33 Table 2-11. Removing Bottom Case ComponentsComponent Removal Procedures Additional Steps (See figu

2-34 Removal and Replacement HP OmniBook 4100/4150Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-8)DC-DC PCAPlug-in module

HP OmniBook 4100/4150 Removal and Replacement 2-35Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-8)Module Latch, LeftPlug-

2-36 Removal and Replacement HP OmniBook 4100/4150Component Removal Procedures Additional Steps (See figures on pages 4-2, 4-8)VGA PCAKeyboard (page 2

HP OmniBook 4100/4150 vTable 2-9. Removing Display Components... 2

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-13 Troubleshooting and DiagnosticsThis chapter includes troubleshooting and diagnostic informa

3-2 Troubleshooting and Diagnostics HP OmniBook 4100/4150TroubleshootingThe suggestions in this section can help isolate and repair the cause of a pro

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-3 • Separate Problems. If there is more than one symptom, separate them into distinct proble

3-4 Troubleshooting and Diagnostics HP OmniBook 4100/4150Suggestions for Troubleshooting Table 3-1. Scope of Diagnostic ToolsFunction OmniBookDiagnos

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-5If you can’t isolate the cause of a problem using the diagnostic tools, you can use the sugge

3-6 Troubleshooting and Diagnostics HP OmniBook 4100/4150Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsDoes not boot

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-7Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsBattery does

3-8 Troubleshooting and Diagnostics HP OmniBook 4100/4150Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsHard diskHard

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-9Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsPointing stic

3-10 Troubleshooting and Diagnostics HP OmniBook 4100/4150Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsAudioSound d

vi HP OmniBook 4100/4150IntroductionThis service manual provides reference information for the HP OmniBook 4100/4150. It is intended tobe used by HP-a

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-11Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsPCMCIAGenera

3-12 Troubleshooting and Diagnostics HP OmniBook 4100/4150Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsComputer pau

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-13Diagnostic ToolsThis section describes the following diagnostic tools you can use for troubl

3-14 Troubleshooting and Diagnostics HP OmniBook 4100/4150 • Check the \Dmi\Hpdiags directory. If diaginst is in this directory, run it.–or–If TopTo

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-15Note that the serial and parallel port tests are more thorough if you connect a loop-back co

3-16 Troubleshooting and Diagnostics HP OmniBook 4100/4150Code Suggestions0132h -0150hFor the OB 4100 for 01FFFFFFh and below,replace the motherboard.

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-17Code Suggestions0342h -0344hRun BIOS Setup and check the floppy drivetype. Replace the flopp

3-18 Troubleshooting and Diagnostics HP OmniBook 4100/4150Code Suggestions08D0h -08F3hReplace the motherboard (or VGA PCA for theOB 4150†).9003h -9004

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-19Code SuggestionsIR Tests (FIR enabled, undocked)9002h Reboot the computer. Replace themother

3-20 Troubleshooting and Diagnostics HP OmniBook 4100/4150Power-On Self-Test Note If Quiet Boot is enabled in BIOS Setup (the default setting), press

HP OmniBook 4100/4150 Product Information 1-11 Product InformationThe HP OmniBook 4100/4150 provides desktop performance and expandability as well as

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-21 Table 3-5. POST MessagesMessage Description0200 Failure Fixed DiskFixed disk is not workin

3-22 Troubleshooting and Diagnostics HP OmniBook 4100/4150Message Description02F7: Fail-Safe Timer NMI FailedServerBIOS2 test error: Fail-Safe Timer t

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-23Sycard PCCtest 450 CardBus Card (Optional)The PCCtest 450 CardBus Card (version 1.05) availa

3-24 Troubleshooting and Diagnostics HP OmniBook 4100/4150Desktop Management Interface (DMI)The Desktop Management Interface (DMI) is basically a set

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-25Description of DMIThe Desktop Management Interface (DMI) is the result of the efforts of the

3-26 Troubleshooting and Diagnostics HP OmniBook 4100/4150BIOS Setup UtilityThe BIOS Setup utility provides access to basic configuration settings. It

HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-27System Devices Menu DefaultBIOS Version 2.xx/3.xx:PS/2 Pointing DevicesSets whether internal

3-28 Troubleshooting and Diagnostics HP OmniBook 4100/4150Power Menu DefaultIf ACPI is activated in Windows 98, ACPI settings override settings in thi

HP OmniBook 4100/4150 Replaceable Parts 4-14 Replaceable PartsThis chapter contains an exploded view of the OmniBook and the following lists of parts:

4-2 Replaceable Parts HP OmniBook 4100/4150 Figure 4-1. Exploded ViewMotherboardcomponents(see page 4-7)Display components(see page 4-6)

1-2 Product Information HP OmniBook 4100/4150 Table 1-2. OmniBook 4100/4150 Series ModelsOmniBookProduct *CPU ** Display Hard Drive Floppy Drive CD-R

HP OmniBook 4100/4150 Replaceable Parts 4-3 Table 4-1. OmniBook Replaceable PartsDescription Part Number Exchange User- OmniBookPart Number Repl. 415

4-4 Replaceable Parts HP OmniBook 4100/4150Description Part Number Exchange User- OmniBookPart Number Repl. 4150B 4150† 410025 CPU module (MMO), 266MH

HP OmniBook 4100/4150 Replaceable Parts 4-5Description Part Number Exchange User- OmniBookPart Number Repl. 4150B 4150† 410037 Kit, LCD (shield, brack

4-6 Replaceable Parts HP OmniBook 4100/4150Description Part Number Exchange User- OmniBookPart Number Repl. 4150B 4150† 410048 Plate, CPU top (2-screw

HP OmniBook 4100/4150 Replaceable Parts 4-7 Figure 4-2. Display ComponentsNote:14-inch LG display shown.For a different display, theLCD flex cable a

4-8 Replaceable Parts HP OmniBook 4100/4150 Figure 4-3. Motherboard Components Table 4-2. Assembly-Component BreakdownAssembly Part Number Componen

HP OmniBook 4100/4150 Replaceable Parts 4-9 Table 4-3. Accessory Replaceable PartsDescription Part Number Exchange User OmniBookPart Number Repl. 415

4-10 Replaceable Parts HP OmniBook 4100/4150 Table 4-4. Part Number ReferencePart Exchange Description User OmniBookNumber Part Number Repl. 4150B 41

HP OmniBook 4100/4150 Replaceable Parts 4-11Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1460-12007 IC, BIOS, Pent

4-12 Replaceable Parts HP OmniBook 4100/4150Part Exchange Description User OmniBookNumber Part Number Repl. 4150B 4150† 4100F1460-60981 Cable, LCD fle