HP OMNIBOOK 4100 Service Manual
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HP OMNIBOOK 4100 Service Manual

HP OMNIBOOK 4100 Service Manual

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HP OmniBook 4100/4150

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Summary of Contents for HP OMNIBOOK 4100

  • Page 1: Service Manual

    ® HP OmniBook 4100/4150 Service Manual...
  • Page 2 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 3 Intel Corporation. TrackPoint is a U.S. registered trademark of International Business Machines. All certifications may not be completed at product introduction. Check with your HP reseller for certification status. This equipment is subject to FCC rules. It will comply with the appropriate FCC rules before final delivery to the buyer.

  • Page 4: Table Of Contents

    Removing the Top Case (HP Authorized Service Providers Only)..........2-16 Removing the CPU Module (HP Authorized Service Providers Only)........2-19 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) .... 2-24 Removing or Repairing the BIOS IC (HP Authorized Service Providers Only)......2-29 Removing Other Components (HP Authorized Service Providers Only)........
  • Page 5 Figure 2-7. Removing the LCD Module ....................2-15 Figure 2-8. Removing the Top Case....................2-17 Figure 2-9. Removing the CPU (OmniBook 4150†)................2-21 Figure 2-10. Inserting the CPU (OmniBook 4100/4150†)..............2-22 Figure 2-11. Positioning Thermal Pads ....................2-23 Figure 2-12. Removing the Motherboard ...................2-26 Figure 2-13. Installing Docking Doors and Module Latch..............2-28 Figure 2-14.
  • Page 6 Table 4-2. Assembly-Component Breakdown..................4-8 Table 4-3. Accessory Replaceable Parts....................4-9 Table 4-4. Part Number Reference ....................4-10 Table 5-1. OmniBook 4100/4150 LCD Guidelines (TFT)..............5-3 Table 5-2. Service Notes ........................5-6 Table 5-3. Obsolete Repair Parts......................5-6 HP OmniBook 4100/4150...
  • Page 7 Introduction This service manual provides reference information for the HP OmniBook 4100/4150. It is intended to be used by HP-authorized service personnel in the installation, servicing, and repair of these products. The manual is designed as a self-paced guide. It is intended to train you to install, configure, and repair OmniBook computers.

  • Page 8: Product Information

    Product Information The HP OmniBook 4100/4150 provides desktop performance and expandability as well as convenient portability. It uses high-performance component technologies that make it capable of replacing a desktop computer or serving as a portable multimedia presentation tool. Table 1-1. Product Comparisons...

  • Page 9: Table 1-2. Omnibook 4100/4150 Series Models

    "W", "WT", “WV”, “WG”, “WR” for Windows 95 or Windows 95/98 installed (marketing distinction only). Intel Mobile Pentium or Pentium II processor. *** Available only with Spring ’98 software—other OmniBook 4100 products rolled to Fall ’98 software. All OmniBook 4150 products were released with Fall ’98 software or later.

  • Page 10: Features And Operation

    AC adapter socket Module latch Mute button Speaker Figure 1-1. OmniBook - Front View Battery PS/2 port USB port Plug-in module bay System-off button Speaker Module latch Figure 1-2. OmniBook - Side View HP OmniBook 4100/4150 Product Information...

  • Page 11: Turning The Omnibook On And Off

    No-power/stopped state. Everything is shut down Press and hold the blue power with a new session. (battery continues charging if ac adapter is button until the display shuts down. connected). Computer reboots at turn-on and restores network connections. Product Information HP OmniBook 4100/4150...

  • Page 12: Checking The Status Of The Omnibook

    No light: AC adapter is not connected or battery is not present. The keyboard status lights, located above the keyboard, indicate the states of the keyboard locks. (These lights are on the VGA PCA for the OmniBook 4100, and on the motherboard for the OmniBook 4150 Series.) Table 1-5.

  • Page 13: Using Fn Hot Keys

    You select the CD-ROM or DVD drive as the boot device. You can do this during reboot by pressing ESC to cancel the OmniBook screen, then ESC to display the boot-device menu for a one-time selection. Product Information HP OmniBook 4100/4150...

  • Page 14: System Resources

    4150B have 4150 B after the serial number. Table 1-8. System Memory 00000 - 9FFFF System memory A0000 - BFFFF Video C0000 - CBFFF Video BIOS (OmniBook 4100/4150†) C0000 - CFFFF Video BIOS (OmniBook 4150B) CC000 - DBFFF* Free** (OmniBook 4100/4150†) D0000 - DBFFF* Free** (OmniBook 4150B)

  • Page 15: Table 1-9. System Input/Output Addresses (100-3Ff)

    † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. Table 1-10. DMA Channels Sound record (OmniBook 4100/4150†) Free (OmniBook 4150B) Sound playback Floppy drive...

  • Page 16: Specifications

    Specifications The following tables list descriptions for the OmniBook and its accessories. Table 1-11. OmniBook 4100/4150 Series Specifications Physical Attributes Size: 330.5mm×256.9mm×35-36.5mm (13.0"×10.1"×1.3-1.4"). Weight: 2.92-2.99 kg (6.45-6.60 lb.). 300/333/366/400 MHz Pentium II processor with internal 256 KB 4-way, set- Processor and associative L2 cache.
  • Page 17 Microsoft Windows 95, Windows 98, or Windows NT 4.0. Preinstalled Software Windows 95/98-compatible Plug-and-Play. Windows NT 4.0 APM and PC Card Plug-and-Play. Advanced Power Management (APM 1.2). DMI 2.0 with HP TopTools 2.6 to 4.5 DiagTools. Agate Tioman for HP (Hot Swap). Adobe Acrobat Reader. Virus Scan software.
  • Page 18 CardBus: TI PCI1250A. Keyboard controller: National PC87570. Super I/O: SMC 769. † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. HP OmniBook 4100/4150 Product Information 1-11...

  • Page 19: Table 1-12. Omnibook 4100/4150 Series Accessories

    Table 1-12. OmniBook 4100/4150 Series Accessories Accessory Description OmniBook Compat. 4150B 4150 † 4100 2100/7100 Memory F1456A 32-MB SDRAM (66 MHz) expansion module F1457A 64-MB SDRAM (66 MHz) expansion module F1622A 128-MB SDRAM (66 MHz) expansion module F1456B 32-MB SDRAM (100 MHz) expansion module...
  • Page 20 Docking module bay adapter F1477A Docking system and monitor stand (tall) † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. HP OmniBook 4100/4150 Product Information 1-13...

  • Page 21: Internal Design

    1-15—it lists the roles that the replaceable modules play in each of the functional subsystems. LCD Module Inverter PCA Keyboard cable connects to (microphone) VGA PCA (OmniBook 4100) or motherboard (OmniBook 4150 LED Strip Series). Keyboard Top Case...

  • Page 22: Table 1-13. Functional Structure

    Docking port Motherboard PCMCIA controller. PCMCIA PCMCIA socket PCMCIA connectors. † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. HP OmniBook 4100/4150 Product Information 1-15...

  • Page 24: Removal And Replacement

    VGA connector cover (table on page 2-8). Hinge cover (table on page 2-8). VGA PCA (table on page 2-33). Caution Always provide proper grounding when performing repairs. Without proper grounding, an electrostatic discharge may damage the OmniBook and its components. HP OmniBook 4100/4150 Removal and Replacement...

  • Page 25: Table 2-2. Required Equipment

    5 mm hex driver. Pointed knife or probe. Small flat-blade screwdriver. IC (PLCC) removal tool (similar to OK Industries EX-5). OmniBook 4150† CPU removal tool (HP part number T-335665). Table 2-3. Recommended Screw Torques Screw Thread Size Torque (kgf•cm) Torque (lbf•in) 1.3 –...

  • Page 26: Removing The Battery Or Plug-In Module (User-Replaceable)

    Reassembly Notes Important: You must slide the latch forward before you can insert a module. You can install a battery in either bay. Any other type of module must be installed in the left bay. HP OmniBook 4100/4150 Removal and Replacement...

  • Page 27: Removing A Ram Board (User-Replaceable)

    Removing a RAM Board (User-Replaceable) The OmniBook 4100 has 32 MB of RAM on the motherboard and has one RAM slot for installing additional RAM. The OmniBook 4150 Series has no RAM on the motherboard and has two RAM slots for installing RAM.

  • Page 28: Removing The Hard Disk Drive (User-Replaceable)

    2. Turn the unit bottom side up. 3. Remove the hard drive screw from the bottom case. 4. Pull out the hard drive by its plastic tab. Screw, M3×4mm Figure 2-3. Removing the Hard Disk Drive HP OmniBook 4100/4150 Removal and Replacement...

  • Page 29: Figure 2-4. Installing A Hard Drive In The Cover

    Secure the two tabs on the screw flap by inserting the corner tab last, while prying out the nearby corner of the case. When you install the battery module, be sure the plastic tab on the hard drive case lays folds up against the front of the case. Removal and Replacement HP OmniBook 4100/4150...
  • Page 30 1. Plug in the ac adapter. 2. Insert the Recovery CD in the CD-ROM drive. 3. Shut down and restart the computer—when you see the HP logo, press ESC two times. 4. Select the CD-ROM drive as the boot device.

  • Page 31: Replacing Small Parts (User-Replaceable)

    To install, insert the top tabs into the strip cover, then push up on the cover and down on the bottom case until you can insert the lower tabs. Removal and Replacement HP OmniBook 4100/4150...

  • Page 32: Removing The Keyboard (Hp Authorized Service Providers Only)

    Removing the Keyboard (HP Authorized Service Providers Only) Required Equipment Small Phillips screwdriver. Probe or tweezers. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. On the bottom of the unit, remove the seven “K” screws from the bottom case.
  • Page 33 Note For an OmniBook 4100 with a serial number between TW82000000 and TW83599999, if the date code on the bottom of the keyboard is “828”, replace the keyboard. (Service note 4100-02.) F1460 and F1462 keyboards are not compatible with 4150B models. F1649 keyboards are compatible with all models.

  • Page 34: Removing The Display Assembly (Hp Authorized Service Providers Only)

    Removing the Display Assembly (HP Authorized Service Providers Only) Required Equipment Small Phillips screwdriver. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. On the back of the unit, lift up on the VGA connector cover above the VGA port and unsnap it from the case.
  • Page 35 On the bottom case, the holes for the display screws are marked by “D”. The hole recesses have flat bottoms for the 16-mm T-head screws and tapered bottoms for the longer 19-mm flathead screws. 2-12 Removal and Replacement HP OmniBook 4100/4150...

  • Page 36: Removing The Lcd Module (Hp Authorized Service Providers Only)

    Removing the LCD Module (HP Authorized Service Providers Only) Note The exact details for removing the LCD module depend on the type of module. Some details may differ from those described in this section. See the table below for information about matching components for different types of LCD modules.
  • Page 37 13. Separate the LCD module and the shield: You may have to remove one or more pieces of tape. If the flex cable is still attached to the LCD module, unplug the cable. 2-14 Removal and Replacement HP OmniBook 4100/4150...

  • Page 38: Figure 2-7. Removing The Lcd Module

    LCD flex cable Cable holder cover Screw, M2.5×4mm (2) LED strip cable Display case Strip cover, hinges, End cap (2) and hinge covers Cable holder Figure 2-7. Removing the LCD Module HP OmniBook 4100/4150 Removal and Replacement 2-15...

  • Page 39: Removing The Top Case (Hp Authorized Service Providers Only)

    Note: If one long spacer is present, replace it with two short ones. Back of 13-Inch LCD and Shield Removing the Top Case (HP Authorized Service Providers Only) Required Equipment Small Phillips screwdriver. 2-16 Removal and Replacement HP OmniBook 4100/4150...

  • Page 40: Figure 2-8. Removing The Top Case

    PS/2 port. Top case Speaker cover, left and right Screw, M2.5×19mm (5) Module latch slider Speaker Screw, M2.5×16mm (2) Figure 2-8. Removing the Top Case HP OmniBook 4100/4150 Removal and Replacement 2-17...
  • Page 41 On the bottom case, the holes for the top case screws are unmarked. The hole recesses have flat bottoms for the 16-mm T-head screws and tapered bottoms for the longer 19-mm flathead screws. 2-18 Removal and Replacement HP OmniBook 4100/4150...

  • Page 42: Removing The Cpu Module (Hp Authorized Service Providers Only)

    F1640-69103 (400 MHz) (not replaceable) IC, BIOS PCA, motherboard F1660-69009 Thermal pads For heatsink: F1640-60911 (notched) Heatsink/top plate F1660-60903 Required Equipment Small Phillips screwdriver. OmniBook 4150† CPU removal tool (HP part number T-335665). HP OmniBook 4100/4150 Removal and Replacement 2-19...
  • Page 43 5. For an OmniBook 4150B, lift off the heatsink/top plate. For an OmniBook 4150† with a 5-screw CPU top plate, lift off the top plate, carefully detaching the heatpipe end tab from the slot in the fan cover. 2-20 Removal and Replacement HP OmniBook 4100/4150...

  • Page 44: Figure 2-9. Removing The Cpu (Omnibook 4150†)

    7. If necessary, slide off the top plate, then remove the CPU module from the bottom plate. Note For an OmniBook 4100 with a serial number below TW84099999, if the CPU bottom plate has a revision number less than “Rev 4”, replace the bottom plate with one that is “Rev 4” or higher.

  • Page 45: Figure 2-10. Inserting The Cpu (Omnibook 4100/4150†)

    Reassembly Notes For an OmniBook 4100 or 4150†, before installing the CPU module, assemble it into the bottom plate. For a 2-screw CPU top plate, attach the top plate to the assembly—do not attach a 5-screw top plate before installing the assembly. Then install the assembly on the motherboard. See the following caution.

  • Page 46: Figure 2-11. Positioning Thermal Pads

    Install new pad on new CPU OmniBook 4100/4150†, 2-Screw Top Plate Note: Spacer (OmniBook 4100 only) CPU, Pentium (T) CPU, 233-300 Pentium II (MD) (4 thermal pads) (2 thermal pads) OmniBook 4150†, 5-Screw Top Plate CPU, 333-400 Pentium II (D)

  • Page 47: Removing The Motherboard Or Bottom Case (Hp Authorized Service Providers Only)

    (HP Authorized Service Providers Only) Required Equipment Small Phillips screwdriver. 5-mm hex driver (or 3/16 inch). OmniBook 4150 CPU removal tool (HP part number T-335665). Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: Floppy module or other module (page 2-3).
  • Page 48 18. Lift the front edge of the motherboard until it clears the hard drive compartment in the bottom case and frees itself from the bottom case. Then slide the PCA forward and lift it out. The docking doors may come out while you are removing the motherboard. HP OmniBook 4100/4150 Removal and Replacement 2-25...

  • Page 49: Figure 2-12. Removing The Motherboard

    Air vent cover Screw, M2.5×5mm Screw, M2.5×5mm Screw, M2.5×16mm Left frame Right frame RAM/BIOS cover Screw, M2×3.5mm (OB 4100) or Audio jack cover M3×4mm (OB 4150) Figure 2-12. Removing the Motherboard 2-26 Removal and Replacement HP OmniBook 4100/4150...
  • Page 50 When you install the audio jack PCA, the metal shield goes under the motherboard. If the shield comes off the PCA, you can install the shield after you install the PCA. For an OmniBook 4100 or 4150†, route the fan wires at the bottom of the opening next to the motherboard.

  • Page 51: Figure 2-13. Installing Docking Doors And Module Latch

     If you are prompted for the serial number, type the serial number shown on the bottom of the case.  If a serial number has already been stored, you must call an HP support center to change it. Installing a New Serial Number Label If you do not have a master file that creates serial number labels with fields for “4150 B”...

  • Page 52: Removing Or Repairing The Bios Ic (Hp Authorized Service Providers Only)

    Removing or Repairing the BIOS IC (HP Authorized Service Providers Only) For the OmniBook 4150 Series, the BIOS IC is soldered to the motherboard and is not replaceable: If the OmniBook 4150 BIOS IC is defective, the motherboard must be replaced.
  • Page 53 5. After the BIOS is repaired and reprogrammed, check the BIOS version to see whether it is the latest version. If necessary, reprogram the BIOS IC—see the note at the beginning of this topic. 2-30 Removal and Replacement HP OmniBook 4100/4150...

  • Page 54: Removing Other Components (Hp Authorized Service Providers Only)

    Figure 2-16. Boot-Block Jumper Removing Other Components (HP Authorized Service Providers Only) Required Equipment Small Phillips screwdriver. Pointed knife or probe (for display components). 5-mm hex driver (or 3/16 inch) (for bottom case components). Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery.

  • Page 55: Table 2-10. Removing Top Case Components

    Table 2-10. Removing Top Case Components Component Removal Procedures Additional Steps See page 2-9. Keyboard Display (page 2-11). Unsnap the strip cover from the hinge covers. Strip Cover Top Case See page 2-16. 2-32 Removal and Replacement HP OmniBook 4100/4150...

  • Page 56: Table 2-11. Removing Bottom Case Components

    Caution: Install conductive tape grounding straps and conductive pads on top of the top plate—just as on the original top plate. Caution: For an OmniBook 4100, install a square top- plate spacer on top of the top plate at the right-rear corner. (Service note 4100-03C.)
  • Page 57 3. Lift out the cover and fan - they are a single the bearings. assembly on an OmniBook 4150B. Reassembly Notes: For an OmniBook 4100 or 4150†, route the fan wires at the bottom of the opening next to the motherboard.
  • Page 58 Reassembly Notes: If the slider came off the latch, attach it to the latch before you install the cover. Display (page 2-11). Remove the spring form the hole at the back of the left Spring, Grounding or right frame. HP OmniBook 4100/4150 Removal and Replacement 2-35...
  • Page 59 1. Unplug the touch-pad cable from the VGA PCA. VGA PCA Display (page 2-11). 2. On an OmniBook 4100 or 4150†, use a probe to unplug the LVDS PCA from the VGA PCA. 3. On the back of the unit, remove the two standoffs from the VGA connector.

  • Page 60: Troubleshooting And Diagnostics

     Desktop Management Interface (page 3-23).  BIOS Setup utility (page 3-26). Caution For an OmniBook 4150 Series model, do not unnecessarily remove the CPU module from the motherboard. The CPU connector is easily damaged during removal and insertion. HP OmniBook 4100/4150 Troubleshooting and Diagnostics...

  • Page 61: Troubleshooting

    Troubleshooting The suggestions in this section can help isolate and repair the cause of a problem. To ensure quality repair, HP recommends that you follow the basic troubleshooting steps shown in the illustration below. Check the customer’s description of the problem and any supporting information.

  • Page 62: Verifying The Repair

    Run the basic test of the OmniBook diagnostic program (page 3-13). –and– Function Tests. Run tests that check the repaired function, such as in the OmniBook diagnostic program (page 3-13). –and– Failed Tests. Run any other tests that failed during troubleshooting. HP OmniBook 4100/4150 Troubleshooting and Diagnostics...

  • Page 63: Suggestions For Troubleshooting

    * The diagnostic test is more thorough if you use a loop-back connector. † Use an appropriate external device to exercise the port. See the help text for the tests in the menu. Troubleshooting and Diagnostics HP OmniBook 4100/4150...

  • Page 64: Table 3-2. Troubleshooting Suggestions

    See the table on page 1-15. Startup Does not boot on Check the power source. AC adapter. For an OmniBook 4100 with ac or battery serial number below Push system-off button. DC-DC PCA. TW84099999, check CPU Unplug the ac adapter and RAM board.
  • Page 65 Heavy modem use can affect battery operating time. Does not run on Check battery contacts. If Battery or contacts. battery, empty available, try another battery. Motherboard. battery indication Troubleshooting and Diagnostics HP OmniBook 4100/4150...
  • Page 66 13-inch LCD module. Two moved rubber spacers should be behind the connector. After the shield is installed, it should be taped to the flex cable. See the caution on page 2-16. (Service notes 4100-04, 4100-05.) HP OmniBook 4100/4150 Troubleshooting and Diagnostics...
  • Page 67 Try reinserting the flex cable not work properly in the connector on the VGA Motherboard. PCA. BIOS IC. PS/2 keyboard and Check devices separately. Y-adapter. mouse with Y- PS/2 device. adapter do not work Motherboard. Troubleshooting and Diagnostics HP OmniBook 4100/4150...
  • Page 68 Click button doesn’t Top case. work Motherboard. For an OmniBook For an OmniBook 4100, Keyboard assembly. For an OmniBook 4100 with 4100: Drifting or check whether serial number serial number between erratic pointer using is between TW82000000 and TW82000000 and pointing stick TW83599999.
  • Page 69 Check settings in BIOS Setup. Standard IrDA and fast-IrDA are incompatible (they use different drivers). For fast-IrDA, check for DMA conflict with ECP parallel port. General problems USB is not supported in Motherboard. Windows NT 4.0. 3-10 Troubleshooting and Diagnostics HP OmniBook 4100/4150...
  • Page 70 Make sure the air vents are between CPU and its top Heatsink damage. clear. plate, and between heatpipe and heatsink. DOS games and other programs that drive CPU usage toward 100% can contribute. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-11...
  • Page 71 You can run BIOS Setup and change the hard disk time- out to match the Suspend time-out. Certain background operations (such as HP COE virus scans) can affect performance while they’re running. Some file browsers may be unresponsive while they’re...

  • Page 72: Diagnostic Tools

    F10 to run the diagnostic test from the hard disk. If you need a diagnostic floppy disk, insert a formatted floppy disk in the floppy drive and do one of the following: HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-13...
  • Page 73 The log file contains a hardware summary and a list of all test results and errors.Run C:\Dmi\Hputils\Hpsuppt.exe to retrieve the log file to this directory and open it in Notepad—or, if you are using a diagnostic floppy, the log file Hpsuppt.txt is on the floppy disk. 3-14 Troubleshooting and Diagnostics HP OmniBook 4100/4150...

  • Page 74: Figure 3-3. Serial And Parallel Loopback Connectors

    For the OB 4100 for 01FFFFFFh and below, motherboard. 0131h replace the motherboard. Otherwise, replace the RAM board (each 01000000h represents 0079h Replace the motherboard. 16MB). Replace the motherboard. 0083h - Replace the BIOS IC. Replace the 0086h motherboard. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-15...
  • Page 75 0254h 0321h - Replace the floppy drive. 0322h 025Ah - Rerun the test. If error persists, replace the 0260h hard disk. 0340h Replace the motherboard. 0341h Replace the floppy drive. Replace the motherboard. 3-16 Troubleshooting and Diagnostics HP OmniBook 4100/4150...
  • Page 76 If it occurs only for an external headphone, replace 0523h Insert an audio CD in the SCSI CD-ROM drive. the audio jack PCA. 0524h Insert a CD in the SCSI CD-ROM drive. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-17...
  • Page 77 120 drive. Check the connectors on the LS-120 port you are testing. Select the correct speed drive and motherboard. Replace the LS-120 for the device. Replace the motherboard (or drive. dock component, if applicable). 3-18 Troubleshooting and Diagnostics HP OmniBook 4100/4150...
  • Page 78 Hibernate partition, then run FDISK to 9017h See chapter 5 for cosmetic guidelines, replace partition the hard disk. the LCD module. 9607h Back up data, then reformat the hard disk. Replace the hard disk. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-19...

  • Page 79: Power-On Self-Test

    The following table lists POST messages and explanations for reported problems. If the system fails after you make changes in BIOS Setup, reset the computer, enter BIOS Setup, and install the defaults or correct the error. 3-20 Troubleshooting and Diagnostics HP OmniBook 4100/4150...

  • Page 80: Table 3-5. Post Messages

    ServerBIOS2 test error: Cannot write to EISA CMOS. 02F5: DMA Test Failed ServerBIOS2 test error: Cannot write to extended DMA (Direct Memory Access) registers. 02F6: Software NMI Failed ServerBIOS2 test error: Cannot generate software NMI (Non-Maskable Interrupt). HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-21...
  • Page 81 Displays the address nnnn of the upper limit of Upper Memory Blocks, indicating released segments of the BIOS which can be reclaimed by a virtual memory manager. Video BIOS shadowed Video BIOS copied to shadow RAM. 3-22 Troubleshooting and Diagnostics HP OmniBook 4100/4150...

  • Page 82: Sycard Pcctest 450 Cardbus Card (Optional)

    PCT450 -b65 -0 -v TESTCB -b65 -0 -v -jsd000 † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-23...

  • Page 83: Desktop Management Interface (Dmi)

    4. Select and run the SETUP program from the dmi\disk1 directory on the CD (under \omnibook\drivers), or from floppy disk #1. Uninstalling the DMI Package 1. Click Start, Programs, HP TopTools for Notebooks (or HP DMI), Uninstall DMI. 2. Reboot the PC. Using the DMI Interface...
  • Page 84 OmniBook computers. Windows-compatible DMTF Service Layer software, which controls access to the DMI. A client agent. The HP Remote DMI Agent is a DMI application and also a network server-side stream-based application. The Remote Agent is listening for Remote Application connection requests.

  • Page 85: Bios Setup Utility

    Table 3-7. BIOS Setup Menus and Parameters OmniBook 4150B: Introduced with BIOS version 3.00 (Fall ’99). OmniBook 4150†: Introduced with BIOS version 2.00 (Fall ’98). OmniBook 4100: Introduced with BIOS version 1.01 (Spring ’98), rolled to version 2.00 (Fall ’98). Main Menu Default Language Sets the language for this utility and BIOS messages.
  • Page 86 Secures data on the disk if the disk is moved to another computer. Removable Device Boot Sets whether the floppy drive or other removable device is a Enabled boot device. HP OmniBook 4100/4150 Troubleshooting and Diagnostics 3-27...
  • Page 87 Saves Setup changes, and stays in Setup. Security settings are saved when changed. † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. 3-28 Troubleshooting and Diagnostics HP OmniBook 4100/4150...

  • Page 88: Replaceable Parts

    Replaceable Parts This chapter contains an exploded view of the OmniBook and the following lists of parts: OmniBook replaceable parts (page 4-2). Assembly-component breakout (page 4-8) Accessory replacement parts (page 4-9). Part number reference (page 4-10). HP OmniBook 4100/4150 Replaceable Parts...

  • Page 89: Figure 4-1. Exploded View

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

  • Page 90: Table 4-1. Omnibook Replaceable Parts

    21 Cover, speaker (left) * F1460-60945 22 Cover, speaker (right) * F1460-60944 23 Cover, strip (top case) F1460-60942 23 Cover, strip (top case) F1660-60902 24 Cover, VGA connector F1460-60943 25 CPU module (MMO), 233MHz Pentium II (MD) 1821-4303 F1440-69103 HP OmniBook 4100/4150 Replaceable Parts...
  • Page 91 F1649-60904 34 Keyboard, UK English F1649-60905 34 Keyboard, US English F1649-60901 35 Kit, display case (latch, spring, cable F1460-60971 holder/cover) 36 Kit, dock door (doors, springs) F1460-60964 37 Kit, LCD (shield, brackets) (CPT 14") F1660-60918 Replaceable Parts HP OmniBook 4100/4150...
  • Page 92 45 PCA, motherboard* F1660-60909 F1669-69009 46 PCA, VGA F1460-60906 46 PCA, VGA F1629-60903 46 PCA, VGA F1660-60908 47 Plate, CPU bottom (Rev 4) F1460-60949 47 Plate, CPU bottom F1629-80003 48 Plate, CPU top (2-screw), Pentium (T) F1460-60951 HP OmniBook 4100/4150 Replaceable Parts...
  • Page 93 For current information about preferred and approved drives for these products, see the latest version of service note HDD-01. *** For serial numbers below TW85299999, use F1629-69001. For serial numbers above TW90100000, use F1640-69001. Replaceable Parts HP OmniBook 4100/4150...

  • Page 94: Figure 4-2. Display Components

    Note: 14-inch LG display shown. For a different display, the LCD flex cable and other details differ. Figure 4-2. Display Components HP OmniBook 4100/4150 Replaceable Parts...

  • Page 95: Figure 4-3. Motherboard Components

    Display kit (latch, cable holder) F1460-60971 Cover, speaker (all) Foot (1) F1460-60991 CPU module (MMO) (all) Thermal pads (all) LCD module (all 13”) (all) Spacer, LCD connector F1462-60925 PCA, motherboard (all) BIOS IC (all) PCMCIA socket F1460-60919 Replaceable Parts HP OmniBook 4100/4150...

  • Page 96: Table 4-3. Accessory Replaceable Parts

    RAM board, 64MB SDRAM (100 MHz) 1818-7951 RAM board, 128MB SDRAM (100 MHz) 1818-7952 † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. HP OmniBook 4100/4150 Replaceable Parts...

  • Page 97: Table 4-4. Part Number Reference

    Kapton tape, 0.75” x 36 yards F1440-60976 Standoff, VGA F1440-60981 Screw, M2×12mm F1440-60988 Screw, M2×3mm F1440-60995 F1440-69095 LCD module (LG 14") F1451-60901 Port replicator F1452-60901 Mini dock F1453-60901 Monitor stand (short) F1455-80003 Adapter, auto/airline (75W) 4-10 Replaceable Parts HP OmniBook 4100/4150...
  • Page 98 F1460-60972 Cable, LED strip (LG 14”, Samsung 13”) F1460-60973 Hinges, display (left and right) F1460-60974 Kit, LCD (shield, brackets) (Samsung 13") F1460-60975 Cable, LCD flex (Samsung 13") F1460-60980 Kit, LCD (shield, brackets) (LG 14") HP OmniBook 4100/4150 Replaceable Parts 4-11...
  • Page 99 CD, DVD player (MPEG) F1465-60904 Cable, MPEG PC card F1465-80001 Drive, DVD module F1466-60903 Battery, 4200mAh (Molicell) F1466-80002 Battery, 4200mAh (Sony) F1468-60901 Adapter, docking module bay F1469-80001 Adapter, PS/2 "Y" F1470-80001 Drive, LS-120 module 4-12 Replaceable Parts HP OmniBook 4100/4150...
  • Page 100 F1640-60910 Heatsink, finned (for 5-screw top plate) F1640-60911 Thermal pad, notched (heatsink, top plate) F1640-60912 Screw, M2×3.5mm F1640-60913 Screw, M2×5mm F1640-60921 Recovery CD, English (OB4150, W95/98, Wntr-98) F1640-60922 Recovery CD, German (OB4150, W95/98, Wntr-98) HP OmniBook 4100/4150 Replaceable Parts 4-13...
  • Page 101 F1655-60915 Bezel, display (Hyundai 13") F1655-60920 F1655-69020 LCD module (Hyundai 13") F1660-60901 Cover, hinge (left) F1660-60902 Cover, strip (top case) F1660-60903 Heatsink/top plate F1660-60904 F1660-60905 PCA, IR F1660-60906 Cover, air vent (and PS/2, USB) 4-14 Replaceable Parts HP OmniBook 4100/4150...
  • Page 102 Recovery CD, Swedish (OB4150B, WNT, Fall-99) F1660-60957 Recovery CD, Finnish (OB4150B, WNT, Fall-99) F1660-60958 Recovery CD, Danish (OB4150B, WNT, Fall-99) F1660-60959 Recovery CD, Italian (OB4150B, WNT, Fall-99) F1660-60960 Recovery CD, Czech (OB4150B, WNT, Fall-99) HP OmniBook 4100/4150 Replaceable Parts 4-15...
  • Page 103 For current information about preferred and approved drives for these products, see the latest version of service note HDD-01. † Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number. 4-16 Replaceable Parts HP OmniBook 4100/4150...

  • Page 104: Reference Information

    The statement can be a fax copy of the document. The fact that the unit is in the hands of an HP representative on behalf of the customer is not evidence of ownership.

  • Page 105: Hewlett-Packard Display Quality Statement

    These cosmetic imperfections may be visible to the customer under varying display conditions and can appear as bright, dim, or dark spots. This issue is common across all vendors supplying TFT displays in their products and is not specific to the HP OmniBook display.

  • Page 106: Table 5-1. Omnibook 4100/4150 Lcd Guidelines (Tft)

    Any scratch over 5 mm long and 0.01 mm wide, or over 0.1 mm wide. Any dent or bubble over 0.4 mm avg. dia. IBM 14" TFT, XGA (OmniBook 4100/4150†, “IBM74”, F1629-69012) Electrical Imperfections: 8 or more single bright dots.
  • Page 107 5 or more lines or scratches 0.3-1 mm long and over 0.03 mm wide. Lines Any spot, dent, or bubble over 0.5 mm avg. dia. Polarizer scratches Any line or scratch over 1 mm long and 0.03 mm wide, or over 0.05 mm Polarizer dents, bubbles wide. Reference Information HP OmniBook 4100/4150...
  • Page 108 Type of Imperfection Imperfections Not Allowed Samsung 13" TFT, XGA (OmniBook 4100) Electrical Imperfections: 11 or more single bright dots. Bright dots 11 or more single dark dots. Dark dots 2 or more double bright dots. 6 or more double or triple dark dots.

  • Page 109: Service Notes And Obsolete Parts

    Service Notes and Obsolete Parts Service notes containing important repair information are issued periodically for the HP OmniBook 4100/4150. These notes are available online at the Reseller website—see page vi. The following table lists recent service notes. Much information from these notes is included in this edition of the service manual.
  • Page 111 1. Product Information 2. Removal and Replacement 3. Troubleshooting and Diagnostics 4. Replaceable Parts 5. Reference Information Part Number Printed in U.S.A. 9/99 F1658-90038...

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