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Intel Inside logo are U.S. registered trademarks and MMX is a U.S. trademark of Intel Corporation. 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.
Removing the Display Assembly (HP Authorized Service Providers Only) ........2-9 Removing the LCD Module (HP Authorized Service Providers Only) ........2-11 Removing a 12" Display Case or Display Bracket (HP Authorized Service Providers Only)..2-15 Removing a 13" Display Case or Display Bracket (HP Authorized Service Providers Only)..2-17 Removing the Keyboard (HP Authorized Service Providers Only) ..........2-19...
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Table 4-1. OmniBook Replaceable Parts .....................4-3 Table 4-2. Assembly-Component Breakdown ..................4-6 Table 4-3. Accessory Replaceable Parts ....................4-7 Table 4-4. Part Number Reference.......................4-8 Table 5-1. OmniBook 2100/3000/3100 LCD Guidelines (TFT) ............5-3 Table 5-2. OmniBook 2100 LCD Guidelines (DSTN) ................5-4 HP OmniBook 2100/3000/3100...
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Introduction This service manual provides reference information for the HP OmniBook 2100/3000/3100. 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.
Product Information The HP OmniBook 2100/3000/3100 represents a category of HP notebook computers featuring the latest mobile technologies. They use high-speed Intel Pentium processors with MMX technology, large 12.1-inch and 13.3-inch displays, and high-capacity hard drives. Table 1-1. OmniBook 2100/3000/3100 Models...
Floppy drive or other Display latch plug-in module Main battery Figure 1-1. OmniBook - Front View PC Card slots Eject buttons Audio line-in Microphone-in Headphone-out AC adapter Kensington lock Hard disk drive Figure 1-2. OmniBook - Side View Product Information HP OmniBook 2100/3000/3100...
(battery continues charging if ac adapter is button until the display shuts connected). Computer reboots at turn-on and down. restores network connections. Does not suspend if Video Display Device set to Both in BIOS Setup. Product Information HP OmniBook 2100/3000/3100...
Suspend mode. These symbols flash from left to right when the OmniBook is (scrolling) suspended (turned off by pressing the power button briefly). If ac power is not connected, the green power light also blinks slowly. HP OmniBook 2100/3000/3100 Product Information...
• You select the CD-ROM 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. HP OmniBook 2100/3000/3100 Product Information...
Optional removable DVD drive (OmniBook 2100/3100 only). OmniBook 2100/3100: 32-MB RAM on motherboard. One slot for RAM expansion up to maximum of 96 MB using HP memory modules. OmniBook 3000: 16-MB RAM on motherboard. Two slots for RAM expansion up to 144 MB using HP memory modules.
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DMI 2.0 with HP TopTools 2.6. OmniBook 3000: Microsoft Windows 95. Windows 95-compatible Plug and Play. DMI 1.1 under Windows 95 with HP TopTools 2.0. Windows NT 4.0 certified, with APM 1.2 and PC Card Plug-and-Play support. Advanced Power Management (APM 1.2). MacAfee VirusScan.
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Keyboard controller: National PC87570. Super I/O: SMC 669FR. OmniBook 3000: CPU: Intel Mobile Pentium. South Bridge: PIIX4. Video: NeoMagic NM2160 (NMG4). Audio: Crystal CS4237B. CardBus: TI PCI1131. Keyboard controller: Intel 87C51SL. Super I/O: SMC 669FR. 1-12 Product Information HP OmniBook 2100/3000/3100...
* The LVDS PCA is present only with a 13" Hard Disk Main display. Drive Battery ** One BIOS IC on the OmniBook 2100/3100 contains the system and Boards Keyboard Heatsink keyboard BIOS. Figure 1-4. Replaceable Module Diagram 1-14 Product Information HP OmniBook 2100/3000/3100...
The LVDS PCA is not present in products with 12-inch displays. In these products, the LVDS functions are performed by the LCD module. The BIOS IC on the OmniBook 2100/3100 performs both system and keyboard BIOS functions. HP OmniBook 2100/3000/3100 Product Information 1-15...
Symbols like this throughout this chapter show approximate full-size screw outlines. You can use them to verify the sizes of screws before you install them. Installing a wrong-size screw can damage the unit. (The symbol at the left represents an M2.5×5mm screw.) HP OmniBook 2100/3000/3100 Removal and Replacement...
Caution Be sure the safety latch is open before you insert the battery. Otherwise, the release latch could break if you force the battery in. • After installing the battery, close the safety latch. HP OmniBook 2100/3000/3100 Removal and Replacement...
Caution Be sure the safety latch is open before you insert the module. Otherwise, the release latch could break if you force the module in. • After installing the module, close the safety latch. Removal and Replacement HP OmniBook 2100/3000/3100...
• Remove the shield from the drive and swing out the free end of the hard drive about 90°, then gently pry off the connector from the hard drive. The OmniBook 3000 may not have a shield. HP OmniBook 2100/3000/3100 Removal and Replacement...
3. Reboot the computer. If you are using the Recovery CD, press ESC during reboot if the OmniBook screen appears, ESC to display the boot-device menu, then select the CD-ROM drive as the boot device. Removal and Replacement HP OmniBook 2100/3000/3100...
Figure 2-5. Removing the RAM Cover 4. Release the two metal latches at the sides of the RAM board, so the free edge of the board pops 5. Pull the board out of the connector. HP OmniBook 2100/3000/3100 Removal and Replacement...
Insert a small flat-blade screwdriver under the end of the foot and pry it loose. To Feet replace, firmly press the adhesive side of the foot into the recess. Removal and Replacement HP OmniBook 2100/3000/3100...
Removing the Display Assembly (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the floppy drive or other plug-in module (see page 2-4).
PCA. • Slide the open end of the hinge cover onto the hinge, then lift the closed end over the bump and slide it in. 2-10 Removal and Replacement HP OmniBook 2100/3000/3100...
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 below. See the table below for information about matching components for different types of LCD modules.
6. Pry off the two screw covers by the hinges (use a pointed knife or probe), then remove the two screws. For a 12-inch display, pry off the two display bumpers at the top of the display, then remove the two additional screws. 2-12 Removal and Replacement HP OmniBook 2100/3000/3100...
11. Tip up the top of the LCD module and gently unplug the connector from the back of the LCD module. You have to remove a piece of Kapton tape to do this. 12. Lift out the LCD module. You may have to remove a piece of conductive tape to do this. HP OmniBook 2100/3000/3100 Removal and Replacement 2-13...
• Make sure the bezel snaps to the case along all edges. Pull to the side to help seat the snaps. • Make sure the screw covers stick securely in place. Removing a 12" Display Case or Display Bracket (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized.
• Position the cables properly in the hinges before installing the bezel. • Make sure the bezel snaps to the case along all edges. Pull to the side to help seat the snaps. 2-16 Removal and Replacement HP OmniBook 2100/3000/3100...
Removing a 13" Display Case or Display Bracket (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. • Pointed knife or probe. • Three small flat-blade screwdrivers (or equivalent tools for prying). Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery.
• Position the cables properly in the hinges before installing the bezel. • Make sure the bezel snaps to the case along all edges. Pull to the side to help seat the snaps. 2-18 Removal and Replacement HP OmniBook 2100/3000/3100...
Removing the Keyboard (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the floppy drive or other plug-in module (see page 2-4).
• Slide the open end of the hinge cover onto the hinge, then lift the closed end over the bump and slide it in. Removing the Top Case (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized.
• Lift the right end of the heatsink and unplug the fan cable from the motherboard. Heatsink Screw, M2×5mm (includes fan/cable) Note: Smaller diameter Do not remove these two screws. Fan cable connector Speaker/TouchPad cable CPU Thermal Kit (gasket and spacer) Figure 2-17. Removing the Heatsink HP OmniBook 2100/3000/3100 Removal and Replacement 2-21...
6. Turn the unit face up and remove the six top case screws. Screw, M2.5×8mm Screw, M2.5×12mm Screw, M2.5×5mm Screw, M2.5×12mm Speaker/touch-pad cable connector Screw, M2.5×3mm Figure 2-18. Removing the Case Screws 2-22 Removal and Replacement HP OmniBook 2100/3000/3100...
• When installing the heatsink, remember to plug in the fan cable, and make sure it does not overlap the CPU module. (See Figure 2-17.) Caution The three heatsink screws have M2 threads, slightly smaller than other screws. Make sure you use the correct screws. Otherwise, you could damage the threads. HP OmniBook 2100/3000/3100 Removal and Replacement 2-23...
Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver, preferably magnetized. • 5 mm hex driver. Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: •...
Audio PCA (on the underside). RAM board, if present (on the underside). • Reprogram the BIOS IC—see the note below. • Store the serial number electronically in the new motherboard—see the steps below. HP OmniBook 2100/3000/3100 Removal and Replacement 2-25...
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2. Run ESN.EXE from one of these sources: ¨ On a factory software installation, change to the \OMNIBOOK directory and type at the prompt. ¨ Otherwise, copy \Omnibook\Drivers\Hputils\Esn.exe from the OmniBook Recovery CD, then run it on the OmniBook. 2-26 Removal and Replacement HP OmniBook 2100/3000/3100...
¨ 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 New Regulatory and Serial-Number Labels — OmniBook 2100/3100 If you do not have a master file that creates serial number labels, get a copy from the Reseller website (see page vi).
System BIOS IC (near case foot) BIOS Cover Note: OmniBook 3000 shown. The OmniBook 2100/3100 has only one BIOS IC that contains the system and keyboard BIOS. Figure 2-23. Removing a BIOS IC 2-28 Removal and Replacement HP OmniBook 2100/3000/3100...
• Press down firmly on the IC with your thumb to ensure a proper connection. • Reprogram the IC by programming the BIOS—see the note above. Removing Other Components (HP Authorized Service Providers Only) Required Equipment • Small Phillips screwdriver.
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Caution: If the display is attached to the bottom case, removed (page 2-11). install one new hinge before you remove the other to avoid stressing the cables. Caution: Use compatible parts (page 2-11). IC, BIOS See page 2-27. Keyboard See page 2-19. 2-30 Removal and Replacement HP OmniBook 2100/3000/3100...
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Remove the 6 or 8 screws from the touch-pad support plate and lift it off. Lift the touch-pad PCA and unplug Hard drive (page 2-5). the flex cable from it. Display (page 2-8). Keyboard (page 2-19). Top case (page 2-20). HP OmniBook 2100/3000/3100 Removal and Replacement 2-31...
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Pull up on the lock plate until it comes out of the bottom case. Hard drive (page 2-5). Display (page 2-8). Keyboard (page 2-19). Top case (page 2-20). Motherboard, but only until you can lift the front edge (page 2-23). 2-32 Removal and Replacement HP OmniBook 2100/3000/3100...
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.
Run the basic test of the OmniBook diagnostic program (page 3-11). –and– • Function Tests. Run tests that check the repaired function, such as in the OmniBook diagnostic program (page 3-11). –and– • Failed Tests. Run any other tests that failed during troubleshooting. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics...
Use an appropriate external device to exercise the port. See the help text for the tests in the menu. ‡ For TopTools 2.6. TopTools 2.0 capabilities (on the OmniBook 3000) are less in some areas. Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
Check boot order in BIOS Setup. Sluggish startup or Run ScanDisk and Disk Use same suggestions shutdown. Defragmenter to check and shown at left. optimize the hard drive. Delete temporary and unneeded files. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics...
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The user must call Technical forgotten follow the removal procedure may have to be Support and provide proof of with the owner and log the shipped to an HP ownership. Password appropriate data—see page service center. removal is restricted to 5-1.
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For an OmniBook 2100/3100, Y-adapter. mouse with Y- check devices separately. PS/2 device. adapter do not work For an OmniBook 3000, this Motherboard. configuration is not supported. (Maybe use a port replicator or a serial mouse.) HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics...
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Infrared is disabled and no drivers installed as shipped. (Drivers are included.) 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. Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
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Check for proper contact Make sure the air vents are between CPU and heatsink, Heatsink damage. clear. and between fan and heatsink. DOS games and other programs that drive CPU usage toward 100% can contribute. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics...
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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...
• On an OmniBook with a factory software installation, run diaginst from the \Dmi\Hpdiags directory on the hard disk. –or– For an OmniBook 2100/3100 with TopTools installed, use the DiagTools page to create the disk. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-11...
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9. When you are finished running tests, press ESC to exit the advanced tests. 10. Press F4 to save system and test information in the Support Ticket log file, HPSUPPT.TXT. Exit. Press F3 to exit and reboot. 3-12 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
Reset the system. Replace the motherboard. 0101h 0076h 0102h Replace the system BIOS IC. 0077h Replace the motherboard. 0078h Bad CMOS checksum. Reset the system, then run BIOS Setup and check settings. Replace motherboard. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-13...
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Run FDISK to make one partition active. If properly. For the external or internal loopback necessary, recreate the Hibernate partition, test, replace the motherboard. then run FDISK to partition the hard disk. 0602h Replace the motherboard. 3-14 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
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Insert a CD in the drive. OmniBook IR Tests (FIR enabled, undocked) 0A01h Rerun the test. Replace the CD-ROM drive. 9002h & Rerun the test. Replace the motherboard. 9007h - 0A02h No repair. (Automatic close not supported.) 9008h HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-15...
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. 3-16 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
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 2100/3000/3100 Troubleshooting and Diagnostics 3-17...
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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. 3-18 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
OmniBook 2100/3100: Run the test for the Texas Instruments PCI1220 socket controller (command line switches -b63 and -jsd000). OmniBook 3000: Run the test for the Texas Instruments PCI1131 socket controller (command line switch -b61). HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-19...
4. Select and run the SETUP program from floppy disk #1 or from the \omnibook\drivers\os_version\dmi\disk1 directory on the CD. Uninstalling the DMI Package 1. Click Start, Programs, HP DMI, Uninstall DMI. 2. Reboot the PC. Using the DMI Interface For a complete explanation of how to fully take advantage of DMI, the following documentation is provided with the OmniBook: •...
• 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.
Sets whether left-CTRL + left-ALT on an external keyboard is Enabled interpreted as the Fn key. IDE Controller Enables the primary (hard drive) and secondary (optional CD- Both ROM drive) controllers. FDD Controller Enables the floppy drive. Enabled 3-22 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
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OmniBook 3000 only: Password length can be no longer than 8 characters, 0-9, A-Z. Set System Password Boot Sets whether a user password is required when the computer OB 2100/3100: boots. Enabled OB 3000: Disabled HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-23...
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Auto Suspend on Undock Boot Menu Default Diskette Drive Shows the order of boot devices. Move the entries to change 1. Diskette drive Hard Drive the order. 2. Hard drive CD-ROM Drive 3. CD-ROM drive 3-24 Troubleshooting and Diagnostics HP OmniBook 2100/3000/3100...
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Load Previous Values Discards Setup changes since last save, stays in Setup. Does not affect Security and date/time changes. Save Changes Saves Setup changes, and stays in Setup. Security settings are saved when changed. HP OmniBook 2100/3000/3100 Troubleshooting and Diagnostics 3-25...
This chapter contains an exploded view of the OmniBook and the following lists of parts: • OmniBook replaceable parts (page 4-3). • Assembly-component breakout (page 4-6) • Accessory replacement parts (page 4-7). • Part number reference (page 4-8). HP OmniBook 2100/3000/3100 Replaceable Parts...
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.
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.
Polarizer scratch: A light line that is visible on a darker background and does not change in size. Polarizer dent or bubble: A light spot with a darker border that appears on a lighted display and does not change in size. HP OmniBook 2100/3000/3100 Reference Information...
Polarizer scratch: A light line that is visible on a darker background and does not change in size. Polarizer dent or bubble: A light spot with a darker border that appears on a lighted display and does not change in size. Reference Information HP OmniBook 2100/3000/3100...
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1. Product Information 2. Removal and Replacement 3. Troubleshooting and Diagnostics 4. Replaceable Parts 5. Reference Information Part Number Printed in U.S.A. 4/98 5967-4703...