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    							3-20 Troubleshooting and Diagnostics Service Manual
    Beep Codes*POST Description2-1-4-3 Display BIOS copyright notice.2-1-4-4 Initialize MultiBoot.2-2-1-1 Display CPU type and speed.2-2-1-2 Initialize EISA board.2-2-1-3 Test keyboard.2-2-2-1 Set key click if enabled.2-2-2-2 Enable USB devices.2-2-3-1 Test for unexpected interrupts.2-2-3-2 Initialize POST display service.2-2-3-3 Display prompt Press F2 to enter SETUP.2-2-3-4 Disable CPU cache.2-2-4-1 Test RAM between 512 and 640 kB.2-3-1-1 Test extended memory.2-3-1-3 Test extended memory address lines.2-3-2-1 Jump to UserPatch1.2-3-2-3 Configure advanced cache registers.2-3-2-4 Initialize Multi Processor APIC.2-3-3-1 Enable external and CPU caches.2-3-3-2 Set up System Management Mode (SMM) area.2-3-3-3 Display external L2 cache size.2-3-3-4 Load custom defaults (optional).2-3-4-1 Display shadow-area message.2-3-4-3 Display possible high address for UMB recovery.2-4-1-1 Display error messages.2-4-1-3 Check for configuration errors.2-4-2-3 Check for keyboard errors.2-4-4-1 Set up hardware interrupt vectors.2-4-4-2 Initialize Intelligent System Monitoring.2-4-4-3 Initialize coprocessor if present.3-1-1-1 Disable onboard Super I/O ports and IRQs.3-1-1-2 Late POST device initialization.3-1-1-3 Detect and install external RS232 ports.3-1-1-4 Configure non-MCD IDE controllers.3-1-2-1 Detect and install external parallel ports.3-1-2-2 Initialize PC-compatible PnP ISA devices.3-1-2-3 Re-initialize onboard I/O ports.3-1-2-4 Configure Motherboard Configurable Devices (optional).3-1-3-1 Initialize BIOS Data Area.3-1-3-2 Enable Non-Maskable Interrupts (NMIs).3-1-3-3 Initialize Extended BIOS Data Area.3-1-3-4 Test and initialize PS/2 mouse.3-1-4-1 Initialize floppy controller.3-1-4-4 Determine number of ATA drives (optional).3-2-1-1 Initialize hard-disk controllers.3-2-1-2 Initialize local-bus hard-disk controllers.3-2-1-3 Jump to UserPatch2.3-2-1-4 Build MPTABLE for multi-processor boards.3-2-2-2 Install CD-ROM for boot.3-2-2-3 Clear huge ES segment register.3-2-2-4 Fix up Multi Processor table.3-2-3-2 Check for SMART Drive (optional).3-2-3-3 Shadow option ROMs.3-2-4-1 Set up Power Management.3-2-4-2 Initialize security engine (optional).3-2-4-3 Enable hardware interrupts.3-2-4-4 Determine number of ATA and SCSI drives.3-3-1-1 Set time of day.3-3-1-3 Check key lock.3-3-2-1 Initialize typematic rate.3-3-3-1 Erase F2 prompt.3-3-3-3 Scan for F2 keystroke.3-3-4-1 Enter SETUP.3-3-4-3 Clear Boot flag.3-4-1-1 Check for errors.3-4-1-2 Inform RomPilot about the end of POST.3-4-1-3 POST done - prepare to boot OS.3-4-2-2 Terminate QuietBoot (optional).3-4-2-3 Check password (optional).3-4-2-4 Initialize ACPI BIOS.3-4-3-2 Prepare Boot.3-4-3-3 Initialize SMBIOS.3-4-3-4 Initialize PnP Option ROMs. 
    						
    							Service Manual Troubleshooting and Diagnostics 3-21
    Beep Codes*POST Description3-4-4-1 Clear parity checkers.3-4-4-2 Display MultiBoot menu.3-4-4-3 Clear screen (optional).3-4-4-4 Check virus and backup reminders.4-1-1-1 Try to boot with INT 19.4-1-1-2 Initialize POST Error Manager (PEM).4-1-1-3 Initialize error logging.4-1-1-4 Initialize error display function.4-1-2-1 Initialize system error handler.4-1-2-2 PnPnd dual CMOS (optional).4-1-2-3 Initialize note dock (optional).4-1-2-4 Initialize note dock late.4-1-3-1 Force check (optional).4-1-3-2 Extended checksum (optional).4-1-3-3 Redirect Int 15h to enable remote keyboard.4-1-3-4 Redirect Int 13h to Memory Technologies Devices such as ROM, RAM, PCMCIA, and
    serial disk.
    4-1-4-1 Redirect Int 10h to enable remote serial video.4-1-4-2 Re-map I/O and memory for PCMCIA.4-1-4-3 Initialize digitizer and display message.4-2-1-3 Unknown interrupt.4-3-1-1 Initialize the chipset.4-3-1-2 Initialize the bridge.4-3-1-3 Initialize the CPU.4-3-1-4 Initialize system timer.4-3-2-1 Initialize system I/O.4-3-2-2 Check force recovery boot.4-3-2-3 Checksum BIOS ROM.4-3-2-4 Go to BIOS.4-3-3-1 Set Huge Segment.4-3-3-2 Initialize Multi Processor.4-3-3-3 Initialize OEM special code.4-3-3-4 Initialize PIC and DMA.4-3-4-1 Initialize Memory type.4-3-4-2 Initialize Memory size.4-3-4-3 Shadow Boot Block.4-3-4-4 System memory test.4-4-1-1 Initialize interrupt vectors.4-4-1-2 Initialize Run Time Clock.4-4-1-3 Initialize video.4-4-1-4 Initialize System Management Manager.4-4-2-1 Output one beep.4-4-2-2 Clear Huge Segment.4-4-2-3 Boot to Mini DOS.4-4-2-4 Boot to Full DOS.1 long,
    2 shortImproper video configuration (reprogram EEPROM) or external ROM checksum failure. 
    						
    							3-22 Troubleshooting and Diagnostics Service Manual
    The following table lists POST messages and explanations for reported problems. If the system fails
    after you make changes in BIOS Setup, reset the notebook, enter BIOS Setup, and install the defaults
    or correct the error.
      Table 3-5. POST Messages
    MessageDescription
    0200 Failure Fixed Disk
    Fixed (hard) disk is not working or not configured properly. Make sure the hard disk is
    installed properly. Run BIOS Setup and make sure the hard disk type is correctly identified.
    0210 Stuck key
    Stuck key on keyboard.
    0211 Keyboard error
    Keyboard is not working.
    0212 Keyboard Controller Failed
    Keyboard controller failed the test. might require replacing the motherboard (contains the
    keyboard controller).
    0213 Keyboard locked – Unlock key switch
    Unlock the system to proceed.
    0220 Monitor type does not match CMOS – Run SETUP
    Monitor type is not correctly identified in BIOS Setup.
    0230 Shadow RAM Failed at offset: nnnn
    Shadow RAM failed at offset nnnn of the 64k block at which the error was detected.
    0231 System RAM Failed at offset: nnnn
    System RAM failed at offset nnnn of the 64k block at which the error was detected.
    0232 Extended RAM Failed at offset: nnnn
    Extended memory is not working or not configured properly at offset nnnn. Update to the
    latest BIOS version.
    0250 System battery is dead – Replace and run SETUP
    CMOS clock battery indicator shows that the CMOS battery is dead. Connect the AC adapter
    for at least 24 hours, then run BIOS Setup to reconfigure the system.
    0251 System CMOS checksum bad – Default configuration used
    System CMOS has been corrupted or modified incorrectly, perhaps by an application that
    changes CMOS data. In response, the BIOS has installed the default Setup values. Use
    BIOS Setup to modify these values if needed. If the error persists, check the system battery.
    Connect the AC adapter for at least 24 hours; replace the motherboard.
    0260 System timer error
    Timer test failed. Replace the motherboard.
    0270 Real time clock error
    Real-time clock failed the BIOS test. Might require replacing the motherboard.
    0271 Check date and time settings
    BIOS found the date or time to be out of range, and reset the real-time clock. You might need
    to use BIOS Setup to reset the legal date.
    0280 Previous boot incomplete – Default configuration used
    Previous POST did not complete successfully. POST loads default values and offers to run
    BIOS Setup. If the failure was caused by incorrect values that are not corrected, the next boot
    will likely fail. This error is cleared the next time the system is booted.
    0281 Memory Size found by POST differed from CMOS
    Memory size found by POST differed from that specified in CMOS.
    02B0 Diskette drive A error
    Drive A: is present but fails the BIOS POST diskette tests. Make sure the drive is defined with
    the proper diskette type in BIOS Setup and that the drive is connected correctly.
    02B2 Incorrect Drive A type – run SETUP
    Type of floppy drive A: not correctly identified in BIOS Setup.
    02D0 System cache error – Cache disabled
    RAM cache failed and BIOS disabled the cache. May require replacing the motherboard.
    A disabled cache slows system performance considerably.
    02F0: CPU ID:
    CPU socket number for Multi-Processor error. 
    						
    							Service Manual Troubleshooting and Diagnostics 3-23
    MessageDescription
    02F4: EISA CMOS not writeable
    ServerBIOS2 test error: Cannot write to EISA CMOS.
    02F5: DMA Test Failed
    ServerBIOS2 test error: Cannot write to extended Direct Memory Access (DMA) registers.
    02F6: Software NMI Failed
    ServerBIOS2 test error: Cannot generate software Non-Maskable Interrupt (NMI).
    02F7: Fail-Safe Timer NMI Failed
    ServerBIOS2 test error: Fail-safe timer takes too long.
    device Address Conflict
    Address conflict for the specified device.
    Allocation Error for: device
    Run ISA or EISA Configuration Utility to resolve a resource conflict for the specified device.
    CD ROM Drive
    CD-ROM drive identified.
    Entering SETUP ...
    Starting BIOS Setup.
    Failing Bits: nnnn
    Hex number nnnn is a map of the bits at the RAM address that failed the memory test. Each
    1 (one) in the map indicates a failed bit. See errors 230, 231, or 232 above for offset address
    of the failure in System, Extended, or Shadow memory.
    Fixed Disk n
    Fixed disk n (0–3) identified.
    Invalid System Configuration Data
    Problem with NVRAM (CMOS) data.
    I/O device IRQ conflict
    I/O device IRQ conflict error.
    PS/2 Mouse Boot Summary Screen:
    PS/2 mouse installed.
    nnnn kB Extended RAM Passed
    Where nnnn is the amount of RAM in kB successfully tested.
    nnnn Cache SRAM Passed
    Where nnnn is the amount of system cache in kB successfully tested.
    nnnn kB Shadow RAM Passed
    Where nnnn is the amount of shadow RAM in kB successfully tested.
    nnnn kB System RAM Passed
    Where nnnn is the amount of system RAM in kB successfully tested.
    Operating system not found
    Operating system cannot be located on drive A: or drive C:. Enter BIOS Setup and see if the
    hard disk and drive A: are properly identified.
    Parity Check 1 nnnn
    Parity error found in the system bus. BIOS attempts to locate the address and display it on
    the screen. Parity is a method for checking errors in binary data. A parity error indicates that
    data has been corrupted.
    Parity Check 2 nnnn
    Parity error found in the I/O bus. BIOS attempts to locate the address and display it on the
    screen.
    Press  to resume,  to Setup,  for previous
    Displayed after any recoverable error message. Press  to start the boot process or 
    to enter BIOS Setup and change the settings. Press  to display the previous screen
    (usually an initialization error of an Option ROM, such as an add-on card). Write down and
    follow the information shown on the screen.
    Press  to enter Setup
    Optional message displayed during POST.
    PS/2 Mouse:
    PS/2 mouse identified. 
    						
    							3-24 Troubleshooting and Diagnostics Service Manual
    System BIOS shadowed
    System BIOS copied to shadow RAM.
    UMB upper limit segment address: nnnn
    Displays the address nnnn of the upper limit of Upper Memory Blocks (UMB), indicating
    released segments of the BIOS that can be reclaimed by a virtual memory manager.
    Video BIOS shadowed
    Video BIOS copied to shadow RAM.
    Sycard PCCtest 450/460 PC Card (Optional)
    The PCCtest 450 and 460 cards (version 1.05) from Sycard Technology are the only recommended
    diagnostic tools that test the functionality of the PCMCIA slots using a PCMCIA card. Each is a
    Type II PC card that works with test software to exercise PCMCIA functions. (For details, see the
    Sycard Technology Web site: http://www.sycard.com).
    The PCCtest product contains these components:
     • 
    PCCtest 450 or 460 (revision 1.05) PC card.
     • 
    PCCtest 450/460 software disk. (Software updates are available at the Sycard Technology Web
    site.)
     • 
    Configuration headers (PC card/16-bit and CardBus/32-bit) that attach to the card.
    You will also need a CardBus extender card (such as the Sycard PCCextend 70) to avoid wear on the
    Sycard PCMCIA connector.
    Use the following tests to check the function of the notebook’s PCMCIA slots. See the Sycard
    documentation for details about running the tests.
    Table 3-6. Sycard PCCtest Commands
    SlotPCMCIA PC card (16-bit) test
    (PC card configuration header)
    CardBus (32-bit) test
    (CardBus configuration header)
    All notebook models
    (PCI 1520)Upper
    Lowerpct450-v-1-b80
    pct450-v-0-b80testcb-v-1-b80
    testcb-v-0-b80 
    						
    							Service Manual Troubleshooting and Diagnostics 3-25
    Windows Management Instrumentation (WMI)
    The Windows Management Instrumentation is basically sets of rules for accessing information about a
    notebook. WMI allows an application to determine, for example, the operating system being used,
    which hardware and software components are in the notebook, and possibly whether any of the
    components need replacing. A local or remote application can use the WMI interface to check which
    hardware and software components are installed on your notebook, and might be able to tell how well
    they are working or if they need replacement.
    Installing the WMI Package
    The WMI package is either preinstalled on the notebook’s hard disk or can be downloaded from
    http://www.hp.com/toptools (the contents are the same in both cases). The package must be properly
    installed before it can be used.
    To install the WMI preloaded on the hard disk:
     
    1. 
    Start Windows, if it is not already running.
     
    2. 
    Click Start > Programs (or All Programs) > Hewlett-Packard > HP Toptools Agent > Setup.
    Using WMI
    For a complete description of how to use WMI, see the following documentation provided with the
    notebook:
     • 
    A README.TXT file: click Start > Programs > Hewlett-Packard > HP Toptools Agent >
    Read me.
     • 
    A Windows online help file describing Hewlett-Packard’s implementation of WMI (group and
    attribute definitions): click Start > Programs Hewlett-Packard > HP Toptools Agent > HP Toptools
    Help.
    Uninstalling the WMI Package
     
    1. 
    Click Start > Programs (or All Programs) > Hewlett-Packard > HP Toptools Agent > Uninstall
    WMI.
     
    2. 
    Restart the notebook.
    BIOS Setup Utility
    The BIOS Setup utility provides access to the notebook’s basic configuration settings. It is independent
    of the operating system.
    Running the BIOS Setup Utility
     
    1. 
    Close all applications, then restart the notebook: click Start > Turn Off Computer > Restart. (If
    necessary, you can press Ctrl+Alt+Del to restart.)
     
    2. 
    When the HP logo appears, press F2 to enter the BIOS Setup utility. 
    						
    							3-26 Troubleshooting and Diagnostics Service Manual
     
    3. 
    The pointing devices are not active in BIOS Setup, so you will need to use the keyboard to
    navigate:
     • 
    Press the LEFT and RIGHT arrow keys to move among menus.
     • 
    Press the UP and DOWN arrow keys to move among parameters in a menu.
     • 
    Press F5 or F6 to move through values for the current parameter, or press Enter to change a
    setting.
     
    4. 
    After you select the options you want, press F10 or use the Exit menu to exit BIOS Setup.
     
    If the settings cause a conflict between devices during reboot, the system prompts you to run BIOS
    Setup, and marks the conflicting settings.
      Note
     
    The listings in the following table are for the initial BIOS release and might differ somewhat for
    other models.
     
    Table 3-7. BIOS Setup Menus and Parameters
    All notebook models: Introduced with BIOS version KE.01.04 (Fall 2002).
    Main MenuDescriptionDefault
    BIOS Revision Shows the current BIOS version. Detected
    automatically.
    System Time Sets the time using 24-hour format. Values set take effect
    immediately.
    System Date Sets the date using dd/mm/yy format (except English, which
    uses mm/dd/yy format).
    Language Sets the language for BIOS Setup. Detected
    automatically.
    Internal Hard Disk Sets the hard disk drive type and various parameters. Detected
    automatically.
    Extended Memory Shows the extended memory size. Detected
    automatically.
    CPU Serial Number For a Pentium processor with a serial number, makes the
    serial number available to software.Disabled.
    Serial Number Displays the serial number as shown on the back of the
    notebook.Detected
    automatically.
    PC ID Displays the PC ID String stored in the reserved part of
    RAM.
    Main MenuDescriptionDefault
     Service ID Displays an identifier used for repair service. Detected
    automatically.
    UUID Displays the value of the 16-byte UUID (Universally Unique
    ID) as 32 hex characters.Detected
    automatically.
    MAC Address Displays the MAC network address of the internal (wired)
    LAN, if present.Detected
    automatically.
    System Devices MenuDescriptionDefault
    Video Display Device Sets whether the built-in display automatically switches to
    an external display, if one is detected.Auto 
    						
    							Service Manual Troubleshooting and Diagnostics 3-27
    External Pointing
    DevicesDisables the internal pointing devices when an external
    pointing device is connected.Auto
    Legacy USB Support Enables BIOS support for USB mouse, keyboard, and floppy
    drive during startup.Enabled
    W ake On LAN from
    Power OffLets the notebook be turned on via the LAN port. If this
    option is enabled, the notebook uses increased power while
    it is shut down.Disabled
    Security MenuDescriptionDefault
    User Password is Shows if a user password is set. Clear
    Administrator Password
    isShows if an administrator password is set. Clear
    Set User Password Press ENTER to set, change, or clear the user password.
    The password can have no more than 8 characters (0-9,
    A-Z), and cannot include special or accented characters.Enter
    Set Administrator
    PasswordPress ENTER to set, change, or clear the administrator
    password, which protects BIOS Setup settings. The
    password can have no more than 8 characters (0-9, A-Z),
    and cannot include special or accented characters.Enter
    Password Required to
    BootSets whether a user password is required when the
    computer boots. Requires the administrator password for
    changes.Disabled
    Boot MenuDescriptionDefault
    Hard Disk
    Removable Device
    CD/DVD
    Built-in LANShows the order of boot devices. Move the entries to
    change the order. Built-in LAN provides diskless boot from a
    network server.1. Hard Disk
    2. Removable
        Device
    3. CD/DVD
    4. Built-in LAN
    Exit MenuDescription
    Save Changes and Exit Saves Setup changes, and then exits and reboots.
    Discard Changes and
    ExitDiscards any Setup changes made since last save, and then
    exits and reboots. Does not affect password, date, or time
    changes.
    Get Default Values Restores default settings, and remains in Setup. Does not
    affect password, date, or time changes.
    Updating the Notebook’s BIOS
    Hewlett-Packard might from time to time provide updates to the notebook’s BIOS. Use e-DiagTools
    for Windows to download and install these BIOS updates as needed (page 2-37). 
    						
    							Service Manual Replaceable Parts 4-1
    4 
    Replaceable Parts
    This chapter contains an exploded view of the notebook and the following lists of parts:
     • 
    Notebook replaceable parts (page 4-3).
     • 
    Accessory replacement parts (page 4-5).
     • 
    Part number reference (page 4-5).
      
    						
    							4-2 Replaceable Parts Service Manual
      Figure 4-1. Exploded View 
    						
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