HP Omnibook Xt6050 Service Manual

							HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-25
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.
  Table 3-4. 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. May 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 CMOS 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. May 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 may 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
02B1 Diskette drive B error
Drive A: or B: 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.
02B3 Incorrect Drive B type – run SETUP
Type of floppy drive B: 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. 
						

							3-26 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
MessageDescription
02F0: CPU ID:
CPU socket number for Multi-Processor error.
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. If it cannot locate the address, it displays ????. 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. If it cannot locate the address, it displays ????.
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.
System BIOS shadowed
System BIOS copied to shadow RAM. 
						

							HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-27
MessageDescription
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 3-5. Sycard PCCtest Commands
PCMCIA PC card (16-bit) test
(PC card configuration header)
CardBus (32-bit) test
(CardBus configuration header)
Omnibook XT/VT6200 and XT6050
(PCI1410)PCT450 -0 -v -b75 TESTCB -0 -v -b76(b) 
						

							3-28 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Windows Management Instrumentation (WMI)
The Windows Management Instrumentation (WMI) is basically a set of rules for accessing
information about a computer. WMI allows an application to determine, for example, the operating
system being used, which hardware and software components are in the computer, 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 computer, and may
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 computer’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), HP Toptools, Setup.
Using WMI
For a complete description of how to use WMI, see the following documentation provided with the
computer:
 
• A README.TXT file: click Start, Programs, HP Toptools, Read me.
 
• A Windows online help file describing Hewlett-Packard’s implementation of WMI (group and
attribute definitions): click Start, Programs, HP Toptools, HP Toptools Help.
Uninstalling the WMI Package
 1.
 Click Start, Programs (or All Programs), HP Toptools, Uninstall WMI.
 2.
 Restart the notebook. 
						

							HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-29
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, Shut Down (Windows 2000) or Turn
Off Computer (Windows XP), 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.
 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 XT/VT6200 BIOS release, and may differ
somewhat for other models.
  Table 3-6. BIOS Setup Menus and Parameters
Omnibook XT6050: 
Introduced with BIOS version EF.M1.00 (Spring 2002).
Omnibook XT/VT6200: 
Introduced with BIOS version EG.M1.00 (Spring 2002).
Main MenuDescriptionDefault
BIOS Revision Shows the current HP BIOS version. Detected
automatically.
System Time Sets the date using dd/mm/yy format (except English, which
uses mm/dd/yy format). The value set in this field takes effect
immediately.
System Date Sets the date using mm/dd/yy (English) or dd/mm/yy format.
The value set in this field takes effect immediately.
Internal Hard Disk Sets the hard disk drive type, capacity, and other parameters. Detected
automatically.
Video Configuration
Quiet Boot W hen enabled, hides summary of power-on self test and
messages during boot.Enabled
Video Display Device Sets whether the built-in display automatically switches to an
external display, if one is detected.Auto
Video Expansion W hen enabled, the video image covers the entire display in
lower-resolution modes. W hen disabled, the video image is
centered in the display.Disabled 
						

							3-30 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Primary Video Adapter Sets whether the computer automatically switches to an
external video adapter connected to the docking system, if
one is detected.Auto
Television Type Controls the signal format (NTSC or PAL) output by the
S-video port.NTSC
System Memory Shows the system memory size. 640 KB
Extended Memory Shows the extended memory size (equals total memory size
minus 1 MB).Detected
automatically.
Unique Dock ID Sets whether the computer creates a unique hardware profile
for each dock (Enabled) or uses a common profile for all
docks (Disabled).Enabled
UUID Displays the value of the 16-byte UUID (Universally Unique
ID) as 32 hex characters.Detected
automatically.
MAC Address Displays the internal LAN MAC address. Detected
automatically.
Serial Number Displays the serial number as it appears on the back of the
notebook.Detected
automatically.
Service ID Displays the “Born On Date” stored in EEPROM in format
YYYYDDD.Detected
automatically.
System Devices MenuDescriptionDefault
PS/2 Pointing Devices Disables the internal pointing devices when an external PS/2
mouse is connected.Auto
FDD Controller Enables the floppy drive. Enabled
Legacy USB Support Enables BIOS support for USB mouse, keyboard, and floppy
disk drive.Enabled
Internal LAN Enables the internal (wired) LAN. Enabled
Mini PCI Slot 1 Enables the PCI slot normally used for a wireless LAN. Enabled
Mini PCI Slot 2 Enables the PCI slot normally used for a modem, which is
located under the cover on the bottom of unit. (Does not affect
Ambit modem.)Enabled
Serial port Enables the serial port. Enabled
Base I/O address Sets the I/O address. 3F8h
Interrupt Sets the interrupt. IRQ4
Infrared port Enables the infrared port. Disabled
Mode Sets the hardware to support FIR (Fast IR) or SIR (Standard
IR) infrared communications.FIR
Base I/O address Sets the I/O address. 2F8h
Interrupt Sets the interrupt. IRQ3
DMA channel Sets the DMA channel for Fast IR (FIR) mode. DMA0
Parallel Port Enables the parallel port. Enabled
Mode Sets the port to output only, bi-directional, EPP, or ECP. ECP
Base I/O address Sets the I/O address. 378h
Interrupt Sets the interrupt. IRQ7
DMA channel Sets the DMA channel for ECP mode. DMA3 
						

							HP Omnibook XT6050, XT/VT6200 Troubleshooting and Diagnostics 3-31
Security MenuDescriptionDefault
User Password is Shows if a user password is set. Clear
Administrator Password is Shows 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
Smart Card Security Enables Smart Card user validation instead of the password
scheme. This field appears only if Smart Card Security has
been enabled by HP Smart Card software in W indows.Enabled
Password Required to
Boot Sets whether a user password is required when the computer
boots. Requires the administrator password for changes.Enabled
Internal hard disk drive
lockEncodes the current user password (or administrator
password if that is the only password set) on the hard disk
drive.Disabled
Removable Device Boot Sets whether the computer will attempt to boot from a floppy
drive or other removable device.Enabled
Power MenuDescriptionDefault
Backlight Control W hen switching to battery power, sets whether the display
brightness reverts to the previous battery-power brightness
(Auto Restore) or to a very low brightness to save power
(Auto Dim).Auto Restore
Auto Suspend on Undock* Sets whether the computer suspends to Standby power mode
after undocking.W hen Lid Closed
Auto Turn-On on Dock* Sets whether the computer turns on after docking. Enabled
Boot MenuDescriptionDefault
+Hard Disk
+Removable Device
CD-ROM/DVD Drive
Internal NICShows the order of boot devices, with “+” indicating a device
category. Move the entries to change the order. If the
computer has more than one device in a category, you can
select the one scanned. Internal NIC provides diskless boot
from a network server.1. Hard Disk
2. Removable
Device
3. CD-ROM/
DVD drive
4. Internal NIC
Exit MenuDescription
Save Changes and Exit Saves Setup changes, then exits and reboots.
Discard Changes and Exit Discards any Setup changes made since last save, 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.
Load Previous Values Discards any Setup changes made since last save, and
remains in Setup. Does not affect password, date, or time
changes.
Save Changes Saves Setup changes, and remains in Setup. Security
settings are saved when changed. 
						

							3-32 Troubleshooting and Diagnostics HP Omnibook XT6050, XT/VT6200
Updating the Notebook’s BIOS
Hewlett-Packard may 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—see “Using e-DiagTools for
Windows” on page 2-29.
  Caution
 
The BIOS update completely replaces the previous BIOS, so follow these directions exactly or you
might damage the notebook. The BIOS update also resets the configurations in the BIOS Setup
utility—except for BIOS passwords—so record these before performing the update.
Update the notebook’s BIOS as follows:
 1.
 In Windows, exit any programs that are running.
 2.
 Undock the notebook if it is docked, and remove any PC cards from it.
 3.
 Connect the AC adapter to the notebook.
 4.
 Connect any cables or equipment needed to connect to the Internet.
 5.
 Click Start, Programs (or All Programs), HP e-DiagTools, e-DiagTools for Windows.
 6.
 Click Update, select Download New and click OK. Follow the instructions that appear. 
Once the
update process begins, do not interrupt it.
The first time you make an Internet connection from this program on a particular unit, click
Change Settings in the Connect window to define your connection settings.
 7.
 When the process is completed, press the system-off switch to reset the system.
BIOS updates are also available from the HP Business Support web site (www.hp.com/go/bizsupport).
Installation utilities and instructions for creating a BIOS floppy disk are provided with the updates. 
						

							HP Omnibook XT6050, XT/VT6200 Replaceable Parts 4-1
4 
Replaceable Parts
This chapter contains an exploded view of the Omnibook and the following lists of parts:
 
• Omnibook replaceable parts (page 4-3).
 
• Accessory replacement parts (page 4-6).
 
• Part number reference (page 4-7). 
						

							4-2 Replaceable Parts HP Omnibook XT6050, XT/VT6200
 
  Figure 4-1. Exploded View