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HP Laptop 4100 User's Manual

1. F1460 60916 PCA LVDS LG 14 F1460 60917 PCA inverter Samsung 13 F1460 60918 PCA inverter LG 14 F1460 60919 Socket PCMCIA F1460 60921 Keyboard US English F1460 60922 IKeyboard International English Part Number Exchange Description User Part Number Replaceable Cap end display ICover screw lower flat Yes ICover screw upper domed Yes Screw M2x3 5mm Screw M3x4mm Standoff VGA Thermal pads Pentium T Thermal pads Pentium II MD 0950 2671 F1386 69100 Drive hard disk 4 0GB IBM 0950 2785 F1475 69100 Drive hard disk 6 4GB IBM 0950 2790 Adapter ac 60W Yes o950 2865 F1386 69101 Drive hard disk 4 0GB Toshiba 1818 7413 F1456 69001 RAM board 32MB Yes 1818 7414 F1457 69001 RAM board 64MB Yes 1821 4302 F1440 69102 CPU module MMO 266MHz Pentium T 1821 4303 F1440 69103 CPU module MMO 233MHz Pentium II MD 1821 4304 F1440 69104 CPU module MMO 266MHz Pentium II MD 5182 5131 Adapter auto plug from airline Yes 7121 7525 Overlay serial number 8120 6312 Power cord replacement Australia Yes 8120 6313 Power cord replacement U S Canada Taiwan Yes 8120 6314 Power cord replacement Europe Yes 8120 6315 Power cord replacement Hong Kong Singapore U K Yes 8120
2. e Function Tests Run tests that check the repaired function such as in the OmniBook diagnostic program page 3 12 and e Failed Tests Run any other tests that failed during troubleshooting HP OmniBook 4100 Troubleshooting and Diagnostics 3 3 Suggestions for Troubleshooting Table 3 1 Scope of Diagnostic Tools Function OmniBook Power On Sycard DMI TopTools BIOS Setup Diagnostics Self Test PCCtest 450 if installed Bootup Tests Describes Configures SafeTools Processor Tests Tests Describes System menu AssetTools Memory Tests Tests Describes Describes Memory menu AssetTools Batteries Describes AssetTools Display Br Video Describes Mem User menus AssetTools Hard disk Tests Tests Describes Configures IDE menu AssetTools Floppy drive Tests Tests Describes Describes FDD menu AssetTools Keyboard Tests Tests Describes KBD menu AssetTools Pointer Tests Describes Configures Misc menu AssetTools Audio Tests GE Configures Misc menus Serial Tests Describes Configures Misc menu AssetTools Parallel Tests Describes Configures Misc menu AssetTools Infrared Testst Describes Configures Misc menu AssetTools PS 2 port Testst KBD Misc menus US
3. Display page 2 10 Remove the screw from the heatsink cover and Top case page 2 14 remove the cover Remove the screws from the CPU top plate and remove the top plate Remove the screw holding the frame to the motherboard and remove the frame Unplug the speaker wires and remove the speaker Speaker Right Plug in module page 2 3 Remove the screw from the IR PCA and move the Hard drive page 2 5 PCA aside Keyboard page 2 8 Remove the two screws from the right frame and Display page 2 10 remove the frame Top case page 2 14 5 Unplug the DC DC PCA Unplug the speaker wires and remove the speaker Speaker Cover On the front corner of the case slide the latch forward Then slide the speaker cover forward slightly swing it outward about 2 cm then pull firmly until it unsnaps from the case Reassembly Notes If the slider came off the latch attach it to the latch before you install the cover VGA PCA Keyboard page 2 8 1 Unplug the touch pad cable from the VGA PCA Display page 2 10 2 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 4 Unplug the VGA PCA from the motherboard 2 26 Removal and Replacement HP OmniBook 4100 3 Troubleshooting and Diagnostics This chapter includes troubleshooting and diagnostic information for testing the functionality of the OmniBook and identifying faulty
4. Replace the motherboard 00A1h Replace the BIOS IC Replace the 0040h motherboard 0041h Unrecognized interrupts Run BIOS Setup and 00A2h No repair ESCD not supported check IRQ assignments for all devices 00A3h 0050h Replace the motherboard 00A4h Replace the BIOS IC run BIOS Setup and check settings Replace 00A7h Replace the BIOS IC Replace the motherboard motherboard 00FFh Rerun the test Possible diagnostic programming error settings Replace motherboard Memory Tests 0073h Bad CMOS RAM size Reset the system then The addresses below are absolute 32 bit address These GE SC and check settings Replace addresses are not in the segment offset format motherboard 0072h Configuration mismatch in CMOS Reset the system then run BIOS Setup and check 0074h Bad CMOS time Reset the system then run BIOS Setup and check settings Replace 0100h Replace the motherboard 0101h 0102h Replace the BIOS IC es 0120h For 01FFFFFFh and bel lace th or and below replace the aa Ba aa the motherboard 0150h motherboard For 02000000h and above replace the RAM board each 01000000h 0077h Replace the motherboard represents 16MB 0078h Bad CMOS checksum Reset the system then 0160h Address bus short Remove any RAM board run BIOS Setup and check settings Replace and rerun the test Check the CPU module for motherboard shorts Replace the mo
5. check their operation e Position the speaker on the pins on the bottom case before you install the speaker cover e If the slider came off the module latch attach it to the latch before you install the speaker cover Hint 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 HP OmniBook 4100 Removal and Replacement 2 15 Removing the Motherboard or Bottom Case HP Authorized Service Providers Only Required Equipment Small Phillips screwdriver 5 mm hex driver or 3 16 inch Removal Procedure 1 2 Unplug the ac adapter if present and remove the battery Remove these additional assemblies e Floppy module or other module page 2 3 e Hard disk drive page 2 5 e Keyboard page 2 8 e Display assembly page 2 10 e Top case page 2 14 3 Remove the screw from the heatsink cover and lift it off the heatpipe 11 12 13 14 15 16 17 18 Remove the two screws from the CPU top plate then lift the right half of the complete CPU assembly so it unplugs from the motherboard On the back of the case use a 5 mm hex driver to remove the two standoffs from the VGA connector Lift the front of the VGA PCA to unplug the PCA then slide it out of the case The LVDS PCA is attached Remove the screw from the IR PCA and lift the PCA
6. or FIR Fast IR infrared communications Driver installation required SIR Base I O address Sets the I O address and interrupt 2F8h IRQ3 f DMA channel For Fast IR mode sets the DMA channel DMA3 Parallel Port Sets how the parallel port is configured by the BIOS specified Enabled or automatic l Mode Sets the port to normal bi directional EPP or ECP _ECP Base I O address Sets the I O address _378h Interrupt Sets the interrupt _IRQ7 DMA channel For ECP mode sets the DMA channel _DMAS Audio Sets how the audio system is configured by the BIOS Enabled specified or automatic SB I O address WSS I O address Sets the Sound Blaster I O address Sets the Windows Sound System I O address _220h _530h I AdLib I O address Interrupt Sets the AdLib synthesizer I O address Sets the interrupt _388h IRQS l 1st DMA channel 2nd DMA channel Sets the DMA channel for playback Sets the DMA channel for recording _DMA1 _DMAO I Security Menu Default User Password Is Administrator Password Is Clear Clear Shows if a user password is set Shows if an administrator password is set l Set User Password Press ENTER to set change or clear user password Password length can be no longer than 8 characters 0 9 A Z Set Administrator Press ENTER to set change or clear administrator password Password Thi
7. Replacing Small Parts User Replaceable The following small parts are user replaceable Part Docking Doors Feet UO Door Table 2 6 Replacing Small Parts User Replaceable Replacement Procedure Open each door and flex the door until one side tab releases To replace see the picture on page 2 19 Insert a small flat blade screwdriver under the foot and pry it loose To replace firmly press the adhesive side of the foot into the recess With the door closed insert a small flat blade screwdriver behind the door from below Flex the door until one side tab releases lt helps to press in lightly on the ends of the door Pointing Stick Cap Pull the cap off the pointing stick RAM BIOS Cover On the bottom of the unit remove the two screws from the RAM BIOS cover and remove the cover VGA Connector Cover With the display closed push up on the cover and down on the bottom case until the lower tabs release 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 HP OmniBook 4100 Removal and Replacement 2 7 Removing the Keyboard HP Authorized Service Providers Only Required Equipment e Small Phillips screwdriver e Probe or tweezers Removal Procedure Ra Unplug the ac adapter if present and remove the battery 2 On the bottom of the unit remove the seven K screw
8. Spots b Lines Polarizer scratches d Polarizer dents bubbles 8 Samsung 13 TFT XGA Electrical Imperfections Bright dots a Dark dots a e 7 or more single bright dots e 7 or more single dark dots e 3 or more double bright dots e 3 or more double dark dots e 11 or more total bright and dark dot imperfections e Any occurrence of triple bright dots or triple dark dots e Any occurrence of 3 bright dots within 20 mm or 3 dark dots e 6 or more spots 0 2 0 5 mm avg dia e 4 or more lines 0 3 3 mm long and over 0 07 mm wide e 5 or more scratches 5 20 mm long and over 0 02 mm wide e 9 or more dents or bubbles 0 0 5 mm avg dia e Any spot over 0 5 mm avg dia e Any line over 3 mm long or 0 1 mm wide e Any scratch over 20 mm long or 0 05 mm wide e Any dent or bubble over 0 5 mm avg dia e 11 or more single bright dots e 11 or more single dark dots e 2or more double bright dots e Gor more double or triple dark dots e 21 or more total bright or dark dot imperfections e Any occurrence of 2 single double bright dots within 15 mm e Any occurrence of 2 single double triple dark dots within 5 mm Mechanical Imperfections Spots b Lines c Polarizer scratches 9 Polarizer dents bubbles e e 5 or more spots 0 1 0 5 mm avg dia e 5 or more lines 0 3 1 mm long and over 0 01 mm wide e 4 or more scratches 0 3 10 mm long and over 0 01 mm wide e 7 or more dents or bubbles
9. 4100 Removal and Replacement 2 3 Removing a RAM Board User Replaceable Table 2 4 RAM Board Replacement Part Numbers Description Part Number Exchange Part Number RAM board 32 MB 1818 7413 F1456 69100 RAM board 64 MB 1818 7414 F1457 69100 Caution Handle the RAM board only by its edges and provide proper grounding Otherwise you may damage the board due to electrostatic discharge Reguired Eguipment e Small Phillips screwdriver Removal Procedure 1 Unplug the ac adapter if present and remove the battery 2 Turn the unit bottom side up then remove the two screws from the RAM BIOS cover and remove the cover 3 Release the two latches at the sides of the RAM board so the free edge of the board pops up 4 Pull the board out of the connector Figure 2 2 Removing a RAM Board Reassembly Notes e Insert the RAM board into the connector at about a 30 angle until it is fully inserted Then press down at both sides until both latches snap closed 2 4 Removal and Replacement HP OmniBook 4100 Removing the Hard Disk Drive User Replaceable Table 2 5 Hard Disk Drive Replacement Part Numbers Description Part Number Exchange Part Number Drive hard disk 4 0GB IBM 0950 2671 F1386 69100 Drive hard disk 4 0GB Toshiba 0950 2865 F1386 69101 _Drive hard disk 6 4GB IBM 0950 2785 F1475 69100 Required Equipment e Small Phillips screwdriver e Small
10. 6316 Power cord replacement Japan Yes 8120 6317 Power cord replacement India South Africa Yes 8120 8373 Power cord replacement People s Republic of China Yes Ft 320 60971 Cap pointing stick Yes F1440 60995 F1440 69095 LCD module LG 14 F1453 60901 Monitor stand short Yes F1455 60001 Adapter auto airline 75W Yes F1460 60923 Keyboard French 4 8 Replaceable Parts HP OmniBook 4100 Exchange Part Number 1460 60924 1460 60925 1460 60926 1460 60927 1460 60928 1460 60929 1460 60930 1460 60931 1460 60932 1460 60940 1460 60941 1460 60942 1460 60943 1460 60944 1460 60945 1460 60946 1460 60947 1460 60948 1460 60949 1460 60950 1460 60951 1460 60952 1460 60953 1460 60954 1460 60955 1460 60956 1460 60957 1460 60958 1460 60959 1460 60960 1460 60961 1460 60962 1460 60963 1460 60964 1460 60965 1460 60967 1460 60968 1460 60969 1460 60970 1460 60971 1460 60972 1460 60973 1460 60974 1460 60975 1460 60980 1460 60981 1460 60982 map apa aja papa TP TP bal AI N TP apa aja apa pa paa paa apa pa aaa papa papa pa AI NT papa NY apa apa ma am MI XM 0 m zZ E 3 o o Description Keyboard German Keyboard Spanish Keyboard Italian Keyboard French Canadian Keyboard Swiss Keyboard Swedish Keyboard Norwegian Keyboard UK English Keyboard Danish Cover hinge right Cover hinge
11. Beep Codes POST Description 1 One short beep before boot 1 2 Search for option ROMs One long two short beeps on checksum failure 1 2 2 3 BIOS ROM checksum 1 3 1 1 Test DRAM refresh 1 3 1 3 Test 8742 Keyboard Controller 1 3 4 1 RAM failure on address line xxxx 1 3 4 3 RAM failure on data bits xxxx of low byte of memory bus 1 4 1 1 RAM failure on data bits xxxx of high byte of memory bus 2 1 2 3 Check ROM copyright notice 2 2 3 1 Test for unexpected interrupts 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 HP OmniBook 4100 Troubleshooting and Diagnostics 3 17 Table 3 5 POST Messages Message Description 0200 Failure Fixed Disk Fixed disk is not working or not configured properly Check to see if fixed disk is attached properly Run Setup Find out if the fixed disk type is correctly identified 0210 Stuck key Stuck key on keyboard 0211 Keyboard error Keyboard not working 0212 Keyboard Controller Failed Keyboard controller failed test May reguire replacing keyboard controller 0213 Keyboard locked Unlock key switch Unlock the system to proceed 0220 Monitor type does not match CMOS Run SETUP Monitor type not correctly identified in Setup 0230 Shadow Ram Failed at offset nnnn Shadow RAM failed at offset nnnn of the 64k block at which
12. Click Start Suspend Windows 95 or press the blue power button briefly about 1 second to suspend activity when the OmniBook is on When you turn on the computer it resumes your previous work session Closing the lid for more than 2 seconds also suspends the computer e Hibernate Press Fn F12 This is like Off except that your current work session is first saved to disk When you turn on the computer it reboots and restores your previous session e Off Click Start Shut Down If the OmniBook does not respond press and hold the blue power button until the display shuts down When you turn on the computer it reboots Unsaved data is lost Table 1 3 Activating Power Modes Power Mode To Enter Mode To Turn Back On Standby Press Fn S Press any key or move Reduced power stopped state Display is off 0r a pointing device to Everything is in a reduced power state Network devices are maintained Your current work session continues at turn on any key or pointer action allow time out display the current session Instant On Suspend Low power stopped state Lower power state than Standby Everything is off or in a low power state Network devices are off Your previous work session resumes at turn on For plug and play operating systems network connections resume at turn on Hibernate No power stopped state Session is saved on the hard disk Everything is shut down Computer reboots at t
13. Floppy drives Parallel port Serial number Keyboard Audio device Cache memory Note If a device is not detected or fails its test below it may be configured incorrectly in the BIOS Setup utility page 3 23 You can confirm the problem by running BIOS Setup and checking the settings 5 Run the basic test Press F2 to start the basic hardware test 6 If you intend to exit without running advanced tests press F4 to save system and test information in the Support Ticket log file HPSUPPT TXT Then remove the diagnostic disk and press F3 to exit 7 Run the advanced tests Press F2 to open the advanced test screen 8 Select and run the appropriate tests Tests are not listed if no such hardware is detected Press the following keys to run tests ENTER Runs the highlighted test F5 or SPACE Marks or unmarks the highlighted test F6 Marks or unmarks all tests in the current menu F7 Marks or unmarks all tests in all menus F10 Runs all marked tests If any test fails the error is logged error code and description and displayed temporarily error code If several errors occur look for patterns that might indicate a common cause See the table on page 3 14 for repair suggestions Consider these suggestions in combination with other troubleshooting information 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 HPS
14. Sets the period of hard disk inactivity after which the hard disk stops spinning 2 minutes 3 24 Troubleshooting and Diagnostics HP OmniBook 4100 Time out on AC Power Button Mode Resume on Modem Ring Resume on Time of Day Resume Time Auto Suspend on Undock Sets whether power management time outs occur while the ac adapter is connected Sets the action of the blue power button when pressed for less than 4 seconds Sets whether the system resumes from Suspend if a ring signal is received Sets whether the system resumes from Suspend at a defined time of day Sets the 24 hour time when the system resumes from Suspend if enabled Sets whether the OmniBook suspends after undocking Disabled Suspend Enabled Disabled _ When Lid Closed Boot Menu Default Diskette Drive Hard Drive CD ROM Drive Exit Menu Save Changes and Exit Shows the order of boot devices Move the entries to change the order Saves Setup changes exits and reboots E Diskette drive 2 Hard drive 3 CD ROM drive Discard Changes and Exit Discards Setup changes since last save exits and reboots Does not affect Security and date time changes Get Default Values Restores default settings stays in Setup Does not affect Security and date time settings Load Previous Values Discards Setup changes since last save stays in Setup Does not affect Security and date ti
15. aside 3 Remove the screw from the heatsink cover and remove the cover 4 Remove the screws from the CPU top plate and remove the top plate 5 Remove the screw holding the frame to the motherboard and remove the frame Frame Left or Right Heatsink Parts Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 Keyboard page 2 8 Display page 2 10 1 Remove the screw holding the IR PCA to the frame and move the PCA aside 2 Remove the two screws holding the frame and remove the frame e Heat exchange cover Remove the screw from the plastic cover and remove it from the frame e Heatsink cover Remove the screw from the cover and remove it from the heatpipe e Finned heatsink Remove the top case page 2 14 Remove the screw holding the heat exchange cover to the frame and remove the cover Lift off the fan and move it aside Remove the screw and heatsink cover then remove the screws from the CPU top plate and remove the top plate Remove the screw from the left frame and lift off the frame Then lift out the finned heatsink IR PCA Display page 2 10 Remove the screw from the IR PCA then unplug the cable from the motherboard LVDS PCA Keyboard page 2 8 Use a probe to unplug the LVDS PCA from the VGA Display page 2 10 PCA Caution The LVDS PCA must be compatible with the LCD module See the compatibility table on
16. bus video PCI local bus video 64 bit graphics 128 bit graphics 128 bit graphics 128 bit graphics controller with 4MB controller with 2 MB controller with 2 MB controller with 2 MB external video RAM internal video RAM Jinternal video RAM internal video RAM Up to 16M colors Up to 64K colors Up to 64K colors XGA Up to 64K colors XGA XGA 16M colors SVGA XGA Zoomed Video Zoomed Video Zoomed Video enabled Zoomed Video enabled enabled enabled Operating Windows 95 or Windows 95 or Windows 95 or Windows 95 System Windows NT 4 0 Windows NT 4 0 Windows NT 4 0 preinstalled preinstalled preinstalled preinstalled Windows NT 4 0 certified Desktop DMI 2 0 DMI 2 0 DMI 2 0 DMI 1 1 Management HP TopTools 2 6 HP TopTools 2 6 HP TopTools 2 6 HP TopTools 2 0 Interface Power APM 1 2 APM 1 2 APM 1 2 APM 1 2 Management ACPI compliant ACPI compliant ACPI compliant Power States On Standby On Standby On Standby On Standby Suspend Hibernate Suspend Hibernate Suspend Hibernate Suspend Hibernate Off Off Off Off Features at the time of product introduction Not updated for later versions Intel Mobile Pentium or Mobile Pentium Il processor HP OmniBook 4100 Product Information 1 3 Turning the OmniBook On and Off e On Press the blue power button to turn on the OmniBook e Standby The display turns off automatically if the computer is inactive for about 2 minutes e Suspend
17. flat blade screwdriver Removal Procedure 1 Unplug the ac adapter if present and remove the battery 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 M3x4mm be Figure 2 3 Removing the Hard Disk Drive 5 If you are installing a new hard drive that does not have a cover you can remove the cover parts from the old hard drive e Remove the screw from the case then pry open the flap If necessary use a flat blade screwdriver e Use a flat blade screwdriver to pry open the snaps at the ends of the case then open the connector side of the case e Pry out the corner next to the connector then lift out the connector and hard drive together e Unplug the internal connector and cable from the hard drive HP OmniBook 4100 Removal and Replacement Screw M3x4mm la HDD cover kit Figure 2 4 Installing a Hard Drive in the Cover Reassembly Notes Caution Do not cover the vent hole in the top surface of the hard drive or in the case If you cover the hole the hard drive could fail prematurely e Pry out the connector corner of the case and insert the external connector and hard drive at the same time The connector seats in the lower part of the opening in the case e Secure the two tabs on the screw flap by inserting the corner tab last while prying out the nearby corner of the case e When you install th
18. implementation of DMI group and attribute definitions Since not all Hewlett Packard enhanced features are supported on all models this document also describes any restrictions that apply Description of DMI The Desktop Management Interface DMI is the result of the efforts of the Desktop Management Task Force DMTF This task force was founded in 1992 by a group of leading computer manufacturers including Hewlett Packard to define a standard method of managing the physical and logical components of personal computers HP OmniBook 4100 Troubleshooting and Diagnostics 3 21 Hewlett Packard has developed a number of extensions to DMI to allow the enhanced features of HP OmniBook computer to be managed with DMI including features such as passwords and tattooing identifying a computer using a unique string of characters For full details of the structure of the MIF file including an explanation of the meaning of the fields of groups and attributes and how to write an application program that accesses this information you can access the DMTF FTP server ftp dmtf org or the DMTF web pages at the http www dmtf org Contents of the DMI Package The DMI software and associated documentation is supplied either preinstalled on the OmniBook s hard disk drive or on two floppy disks The contents of the package are the same in both cases Since the information accessed by the DMI software is specific to a particular computer it must be i
19. left Cover strip top case Cover VGA connector Cover speaker right Cover speaker left Case top Assembly touch pad support Cable touch pad flex Plate CPU bottom Plate CPU top Pentium T Plate CPU top Pentium II MD Cover heatsink Heatsink finned Fan Cover heat exchange fan Cover air vent and PS 2 USB Frame left Frame right Cover audio jack Speaker Case bottom Label regulatory business card Kit module latch latches sliders springs Kit dock door doors springs Door I O Bezel display LG 14 Case display 14 Bezel display Samsung 13 Case display 13 Kit display case latch spring cable holder cover Cable LED strip Hinges display left and right Kit LCD shield brackets Samsung 13 Cable LCD flex Samsung 13 Kit LCD shield brackets LG 14 Cable LCD flex LG 14 Case HDD kit User es lt lt by Tel D O D fer o es es lt HP OmniBook 4100 Replaceable Parts 4 9 Exchange Part Number 1460 60983 1460 60984 1460 60985 1460 60986 1460 60987 1460 60988 1460 60989 1460 60990 1460 60991 1460 60998 F1460 69098 1460 80013 1460 80015 1460 90020 1462 60901 1462 60910 1462 60911 1462 60912 1462 60913 1462 60914 1462 60915 1462 60916 1462 60917 1462 60918 1462 60919 1462 60920 1462 60921 1466 80001 1469 80001 1470 80001 1472 80001 1473 80001 1474 80001 nn THY TH aja aaa aja A N
20. missing or damaged see the picture on page 2 19 Caution Keep the CPU assembly flat while installing it Press it down above the connectors at the right end Otherwise you could damage the connectors CPU Top Plate Keyboard page 2 8 1 Remove the screw from the heatsink cover and lift it off the heatpipe 2 Remove the screws from the CPU top plate and remove the top plate Caution Replace the top plate with one that is compatible with the CPU module see the table on page 4 3 DC DC PCA Plug in module page 2 3 1 Remove the screw from the IR PCA and move the Hard drive page 2 5 PCA aside Keyboard page 2 8 2 Remove the two screws from the right frame and Display page 2 10 remove the frame Top case page 2 14 3 Unplug the DC DC PCA Fan Keyboard page 2 8 1 Remove the screw from the plastic cover and Display page 2 10 remove the cover 2 Unplug the fan cable from the motherboard and lift out the fan Reassembly Notes Route the fan wires at the bottom of the opening next to the motherboard 2 24 Removal and Replacement HP OmniBook 4100 Component Frame Left Removal Procedures Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 Additional Steps See figures on pages 4 2 4 6 1 Remove the screw holding the heat exchange cover to the frame and remove the cover 2 Lift off the fan and move it
21. motherboard 02CCh Run BIOS Setup and check the hard disk type 0415h Replace the VGA PCA Replace the Replace the hard disk or the motherboard motherboard 02EEh For the performance test run BIOS Setup and 0416h Replace the keyboard Replace the temporarily select a drive type that has more 0418h motherboard 02F1h Recreate the Hibernate partition then run FDISK to partition the hard disk 02F2h Run FDISK to make one partition active If necessary recreate the Hibernate partition then run FDISK to partition the hard disk 02F3h Run FDISK to check for overlapping partitions If necessary recreate the Hibernate partition then run FDISK to partition the hard disk 02F4h Check for the presence of a boot sector virus If necessary recreate the Hibernate partition then run FDISK to partition the hard disk 02F5h Reformat the partition 02F6h Recreate the Hibernate partition then run FDISK to partition the hard disk Check internal and external hard disk connectors and motherboard connector Replace the hard disk Replace the motherboard Floppy Disk Tests 0301h Replace the floppy drive Replace the motherboard Serial Port Tests 0601h For the external loopback test make sure the loopback connector is installed and constructed properly For the external or internal loopback test replace the motherboard 0602h Replace the motherboard For the external loopback test make sure the loopbac
22. on page 2 23 DC DC PCA table on page 2 23 Display bezel table on page 2 21 Display case table on page 2 21 Display latch table on page 2 21 Docking door table on page 2 7 End cap table on page 2 21 Fan table on page 2 23 e Foot table on page 2 7 Frame table on page 2 23 e Hard disk drive page 2 5 Heatsink parts table on page 2 23 Hinge table on page 2 21 Hinge cover table on page 2 21 Inverter PCA table on page 2 21 Caution Always provide proper grounding when performing repairs Without proper grounding an electrostatic discharge may damage the OmniBook and its components T O door table on page 2 7 IR PCA table on page 2 23 Keyboard page 2 8 LCD brackets table on page 2 21 LCD flex cable table on page 2 21 LCD module page 2 11 LCD shield table on page 2 21 LED strip cable table on page 2 21 LVDS PCA table on page 2 23 Module latch table on page 2 23 Motherboard page 2 16 PCMCIA socket table on page 2 23 Plug in module page 2 3 RAM board page 2 4 RAM BIOS cover table on page 2 7 Speaker cover table on page 2 23 Speaker table on page 2 23 Strip cover table on page 2 22 Top case page 2 14 Touch pad flex cable table on page 2 22 Touch pad support table on page 2 22 VGA connector cover table on page 2 7 VGA PCA table on page 2 23 HP OmniBook 4100 Removal and Replacement 2 1 Notes Re
23. page 2 11 Module Latch Left Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 1 Remove the screw holding the heat exchange cover to the frame and remove the cover 2 Lift off the fan and move it aside 3 Remove the screw from the heatsink cover and remove the cover 4 Remove the screws from the CPU top plate and remove the top plate 5 Remove the screw holding the frame to the motherboard and remove the frame 6 Lift off the latch and spring Reassembly Notes See the picture on page 2 19 Module Latch Right Motherboard PCMCIA Socket Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 See page 2 16 Keyboard page 2 8 1 Remove the screw from the IR PCA and move the PCA aside 2 Remove the two screws from the right frame and remove the frame 3 Lift off the latch and spring Reassembly Notes See the picture on page 2 19 Remove the four screws from the PCMCIA socket and unplug it from the motherboard HP OmniBook 4100 Removal and Replacement 2 25 Component Removal Procedures Additional Steps See figures on pages 4 2 4 6 Speaker Left Plug in module page 2 3 Remove the screw holding the heat exchange Hard drive page 2 5 cover to the frame and remove the cover Keyboard page 2 8 Lift off the fan and move it aside
24. 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 OmniBook Product F1462N F1462W F1463N F1463W F1464N F1464W F1479N F1479W F1479WT CPU Pentium II 233 MHz Pentium 266 MHz Pentium II 266 MHz Table 1 1 OmniBook 4100 Models Display 13 3 inch XGA TFT 14 1 inch XGA TFT Hard Drive Floppy Drive CD ROM Standard Drive RAM 4 0 GB 1 44 MB CD ROM 32 MB F1467A F1472A F1474A 6 4 GB F1475A 4 0 GB F1467A For the products listed N suffix means Windows NT 4 0 Workstation installed W or WT suffix means Windows 95 installed Intel Mobile Pentium or Pentium II processor This chapter describes e Features and operation below e Specifications page 1 9 e Internal design page 1 12 HP OmniBook 4100 Product Information 1 1 Features and Operation The following three illustrations point out the main external features of the computer They are followed by highlights of the computer s operation For an internal exploded view see page 4 2 Keyboard status lights Microphone Power button Pointing stick Touch pad lt Speaker PC Card eject buttons N Audio jacks AC adapter socket Module latch Speaker Mute butto
25. the error was detected 0231 System RAM Failed at offset nnnn System RAM failed at offset nnnn of in the 64k block at which the error was detected 0232 Extended RAM Failed at offset nnnn Extended memory not working or not configured properly at offset nnnn 0250 System battery is dead Replace and run SETUP The CMOS clock battery indicator shows the battery is dead Connect the ac adapter for at least 24 hours replace the motherboard 0251 System CMOS checksum bad Default configuration used System CMOS has been corrupted or modified incorrectly perhaps by an application program that changes data stored in CMOS The BIOS installed Default Setup Values If you do not want these values enter Setup and enter your own values If the error persists check the system battery Connect the ac adapter for at least 24 hours replace the motherboard 0260 System timer error The timer test failed Reguires repair of system board 0270 Real time clock error Real time clock fails BIOS test May reguire board repair 0280 Previous boot incomplete Default configuration used Previous POST did not complete successfully POST loads default values and offers to run Setup If the failure was caused by incorrect values and they 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 CMOS 02
26. to run after the system reboots This ensures that the computer will be in a predictable state so the diagnostic program can properly test the hardware components The tests are non destructive and are intended to preserve the state of the computer The OmniBook reboots when you exit the program so drivers can be loaded Creating a Diagnostic Floppy Disk After inserting a formatted floppy disk in the floppy drive do one of the following to create a diagnostic floppy disk e On an OmniBook with a factory software installation run diaginst from the Dmi Hpdiags directory on the hard disk 0r If TopTools is installed use the DiagTools page to create the disk e On any computer with a CD ROM drive run diaginst from the Omnibook Dmi Hpdiags directory on the OmniBook 4100 Recovery CD 3 12 Troubleshooting and Diagnostics HP OmniBook 4100 e On any computer with World Wide Web access download the diagnostic software package from the OmniBook website see page vi run this file to unpack the files then run diaginst to create the diagnostic disk Running the Diagnostic Test 1 Insert the diagnostic disk in the floppy drive 2 Reboot the OmniBook 3 Go through the first several screens 4 When the hardware detection finishes check the list of detected hardware The following information and devices should be listed if applicable Product name Main memory Graphics adapter Processor type IDE drives Serial ports BIOS version
27. 0 0 5 mm avg dia e Any spot over 0 5 mm avg dia e Any line over 1 mm long or 0 8 mm wide e Any scratch over 10 mm long or 0 1 mm wide e Any dent or bubble over 0 5 mm avg dia Definitions of imperfections a Bright or dark dot A subpixel red green or blue dot that is stuck on or off b Spot A point on the display that appears dark or bright and does not change in size Caused by foreign circular matter on the backlight C Line A line on the display that appears dark or light and does not change in size Caused by contamination lint hair behind the display d Polarizer scratch A light line that is visible on a darker background and does not change in size e 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 4100 Reference Information 5 3 Product Information Removal and Replacement Troubleshooting and Diagnostics Replaceable Parts a bk WwW N ma Reference Information Part Number F1460 90020 Printed in U S A 4 98
28. 2 output Keyboard Pointing stick sensor Touch pad support Touch pad sensor controller PS 2 output Audio Motherboard Audio controller speaker amplifier headphone amplifier zoomed video controller mute switch Audio jack PCA External audio jacks Inverter PCA Microphone Speakers Speakers Status Motherboard Keyboard controller LED strip cable Power LEDs VGA PCA Keyboard LEDs Serial Motherboard I O controller serial connector Parallel Motherboard v0 controller parallel connector Infrared Motherboard 10 controller IR PCA Infrared transmitter receiver PS 2 port Motherboard Keyboard controller PS 2 processor PS 2 connector USB Motherboard Bus controller South Bridge USB connector Docking port Motherboard Docking logic docking connector PCMCIA Motherboard PCMCIA controller PCMCIA connectors HP OmniBook 4100 Product Information 1 13 Removal and Replacement 2 This chapter tells you how to remove and replace the following components and assemblies The ones marked by e are user replaceable Table 2 1 Removal Cross Reference Air vent cover table on page 2 23 Audio jack cover table on page 2 23 Audio jack PCA table on page 2 23 e Battery page 2 3 BIOS IC page 2 19 Bottom case page 2 16 Cable holder table on page 2 21 CPU bottom plate table on page 2 23 CPU module table on page 2 23 CPU top plate table
29. 34 Keyboard French F1460 60923 34 Keyboard French Canadian F1460 60927 34 Keyboard German F1460 60924 34 Keyboard International English F1460 60922 34 Keyboard Italian F1460 60926 34 Keyboard Norwegian F1460 60930 HP OmniBook 4100 Replaceable Parts 4 3 Description Part Number Exchange User Part Number Replaceable 34 Keyboard Spanish F1460 60925 34 Keyboard Swedish F1460 60929 34 Keyboard Swiss F1460 60928 34 Keyboard UK English F1460 60931 34 Keyboard US English F1460 60921 35 Kit display case latch spring cable holder cover F1460 60971 36 Kit dock door doors springs F1460 60964 Yes 37 Kit LCD shield brackets LG 14 F1460 60980 37 Kit LCD shield brackets Samsung 13 F1460 60974 38 Kit module latch latches sliders springs F1460 60963 Label regulatory business card F1460 60962 39 LCD module LG 14 F1440 60995 F1440 69095 39 LCD module Samsung 13 F1460 60998 F1460 69098 Module filler F1460 80015 Yes Overlay serial number 7121 7525 40 PCA audio jack F1460 60913 41 PCA DC DC F1460 60912 42 PCA inverter LG 14 F1460 60918 42 PCA inverter Samsung 13 F1460 60917 43 PCA IR F1460 60911 44 PCA LVDS LG 14 F1460 60916 44 PCA LVDS Samsung 13 F1460 60914 45 PCA motherboard F1460 60902 F1460 69002 46 PCA VGA
30. 6 Internal hard disk primary IDE controller 3F7 Floppy controller 3F8 3FF COM1 serial port Table 1 10 DMA Channels Sound record Sound playback Floppy drive LPT1 ECP parallel port Cascade Free Free NO oR WDM CH Free 1 8 Product Information HP OmniBook 4100 Specifications The following tables list descriptions for the OmniBook and its accessories Physical Attributes _ Weight 2 92 kg 6 45 Ib Processor and Bus Architecture Table 1 11 OmniBook 4100 Specifications Size 330 5mmx256 9mmx35 36 5mm 13 0 x10 1 x1 3 1 4 233 266 MHz Intel Pentium II processor with MMX technology 266 MHz Intel Pentium processor with MMX technology 1 6 V core 2 5 V external low power processor 32 KB 16 KB instruction 16 KB data L1 cache 512 KB pipeline burst synchronous L2 cache 32 bit PCI bus Graphics Power 14 1 or 13 3 inch XGA active matrix TFT display 1024 x 768 x 64K colors 128 bit NeoMagic MagicGraph graphics accelerator with 2 MB video RAM _Zoomed Video support for both PC Card slots Rechargeable 9 cell lithium on battery with LED charge level gauge 10 8 Vac 4 2 AH 45 watt hours Battery life one battery up to 3 hours varies with type of usage Fast battery recharge 80 in 1 hour 100 in 1 5 hours Low battery warning Suspend resume capability _ 60 watt ac adapter 100 to 240 Vac 50 to 60 Hz input 19 Vdc 3 16 A output M
31. 60 60971 No F1460 60968 cable holder assembly F1460 60944 CPU module MMO all all Thermal pads all No PCA motherboard F1460 60902 F1460 69002 BIOS IC F1460 12007 Yes PCMCIA socket F1460 60919 Yes Touch pad support F1460 60947 Touch pad flex F1460 60948 Yes assembly cable Table 4 3 Accessory Replaceable Parts Description Exchange User Part Number Replaceable Adapter ac 60W 0950 2790 Yes Adapter auto plug from airline 5182 5131 Yes Adapter auto airline 75W F1455 60001 Yes Adapter PS 2 Y F1469 80001 Yes Battery lithium ion F1466 80001 Yes Cable external FDD F1473 80001 Yes Drive CD ROM module F1474 80001 Yes Drive floppy disk module no cable F1472 80001 Yes Drive LS 120 module F1470 80001 Yes Module filler F1460 80015 Yes Monitor stand short F1453 60901 Yes RAM board 32MB 1818 7413 F1456 69001 Yes RAM board 64MB 1818 7414 F1457 69001 Yes HP OmniBook 4100 Replaceable Parts 4 7 Table 4 4 Part Number Reference F1460 12007 IC BIOS Pentium II MD F1460 12016 IC BIOS Pentium T F1460 60902 F1460 69002 PCA motherboard F1460 60906 PCA VGA F1460 60911 PCA IR F1460 60912 PCA DC DC F1460 60913 IPCA audio jack F1460 60914 PCA LVDS Samsung 13
32. 9 mm flathead screws 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 To identify the type of LCD module see the marking printed on the LCD flex cable where it plugs into the LVDS PCA in the bottom case Table 2 7 Display Component Compatibility Display Type LCD Module LCD Flex LCD Kit Inverter LVDS Display Display Cable brackets PCA PCA Case Bezel 13 Samsung F1460 69098 F1460 60975 F1460 60974 F1460 60917 F1460 60914 F1460 60970 F1460 60969 14 LG F1440 69095 F1460 60981 F1460 60980 F1460 60918 F1460 60916 F1460 60968 F1460 60967 Reguired Eguipment e Small Phillips screwdriver e Pointed knife or probe Removal Procedure Unplug the ac adapter if present and remove the battery 2 Remove the display assembly and strip cover from the unit page 2 10 3 On the display bezel remove the upper and lower screw covers using a pointed knife or probe then remove the six screws 4 At the bottom of the display lift up the inner edge of the bezel near both hinges until it unsnaps be careful to keep the end caps Then at one side of the display use your fingers to gently pull the display bezel outward toward the edge of the c
33. B Testst Describes System menu AssetTools Docking port f Tests using docks PCMCIA Tests Describes AssetTools AC adapter Status AssetTools Docking Tests ports and Status Configures products internal bus AssetTools CD ROM Tests Tests with boot Describes Configures drive IDE menu CD AssetTools Other plug in Describes modules AssetTools The diagnostic test is more thorough if you use a loopback connector t Use an appropriate external device to exercise the port See the help text for the tests in the menu 3 4 Troubleshooting and Diagnostics HP OmniBook 4100 If you can t isolate the cause of a problem using the diagnostic tools you can use the suggestions in the following table to help find the problem Symptom Table 3 2 Troubleshooting Suggestions Call Center Suggestions Repair Center Likely Causes Repair Center Comments To help determine likely causes check to see what replaceable modules are involved in the system function and what roles they play See the table on page 1 13 Startup Does not boot on ac or battery Check the power source Push system off button Unplug the ac adapter and remove all batteries then reconnect power Remove any RAM board and try again Reinsert and try again AC adapter DC DC PCA RAM board CPU module Motherboard VGA PCA LCD module Hard drive Check ac adapte
34. B0 Diskette drive A error 02B1 Diskette drive B error Drive A or B is present but fails the BIOS POST diskette tests Check to see that the drive is defined with the proper diskette type in Setup and that the diskette drive is attached correctly 02B2 Incorrect Drive A type run SETUP Type of floppy drive A not correctly identified in Setup 02B3 Incorrect Drive B type run SETUP Type of floppy drive B not correctly identified in Setup 02D0 System cache error Cache disabled RAM cache failed and BIOS disabled the cache On older boards check the cache jumpers You may have to replace the cache See your dealer A disabled cache slows system performance considerably 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 ServerBlOS2 test error Cannot write to extended DMA Direct Memory Access registers 02F6 Software NMI Failed ServerBlOS2 test error Cannot generate software NMI Non Maskable Interrupt 3 18 Troubleshooting and Diagnostics HP OmniBook 4100 Message Description 02F7 Fail Safe Timer NMI Failed ServerBlOS2 test error Fail Safe Timer takes too long device Address Conflict Address conflict for specified device Allocation Error for device Run ISA or EISA Configuration Utility to resolve resource conflict for the specified device CD ROM Drive CD ROM
35. DA A HP OmniBook 4100 Service Manual Notice In a continuing effort to improve the quality of our products technical and environmental information in this document is subject to change without notice This manual and any examples contained herein are provided as is and are subject to change without notice Hewlett Packard Company makes no warranty of any kind with regard to this manual including but not limited to the implied warranties of merchantability and fitness for a particular purpose Hewlett Packard Co shall not be liable for any errors or for incidental or consequential damages in connection with the furnishing performance or use of this manual or the examples herein Consumer transactions in Australia and the United Kingdom The above disclaimers and limitations shall not apply to Consumer transactions in Australia and the United Kingdom and shall not affect the statutory rights of Consumers O Copyright Hewlett Packard Company 1998 All rights reserved Reproduction adaptation or translation of this manual is prohibited without prior written permission of Hewlett Packard Company except as allowed under the copyright laws The programs that control this product are copyrighted and all rights are reserved Reproduction adaptation or translation of those programs without prior written permission of Hewlett Packard Co 1s also prohibited Portions of the programs that control this product may also be copyrighte
36. Drive identified Entering SETUP Starting Setup program Failing Bits nnnn The hex number nnnn is a map of the bits at the RAM address which 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 VO 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 kilobytes successfully tested nnnn Cache SRAM Passed Where nnnn is the amount of system cache in kilobytes successfully tested nnnn kB Shadow RAM Passed Where nnnn is the amount of shadow RAM in kilobytes successfully tested nnnnkB System RAM Passed Where nnnn is the amount of system RAM in kilobytes successfully tested Operating system not found Operating system cannot be located on either drive A or drive C Enter Setup and see if fixed 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 some data has been corrupted Parity Check 2 nnnn Parity e
37. F1454A 60 watt ac adapter F1455A 75 watt auto airline power adapter F1469A PS 2 Y adapter TMC3X575 10 100 Mbps Ethernet PC Card TMC3C589 10 Mbps Ethernet PC Card XIRCM56T 56 Kbps modem PC Card 8120 6313 Replacement power cord U S Canada Taiwan 8120 6314 Replacement power cord Europe 8120 6315 Replacement power cord Hong Kong Singapore U K 8120 6312 Replacement power cord Australia 8120 6316 Replacement power cord Japan 8120 6317 Replacement power cord India South Africa 8120 8373 Replacement power cord People s Republic of China HP OmniBook 4100 Product Information 1 11 Internal Design The motherboard PCA is the central component of the OmniBook design It plays a role in virtually all system functions The CPU module MMO and most other subsystems connect to the motherboard The following figure shows the connections among the replaceable electrical modules As a substitute for a functional block diagram see the table on page 1 13 it lists the roles the replaceable modules play in each of the functional subsystems LCD Module Inverter PCA microphone Keyboard Touch pad Support pointing stick Assembly S ceu Ak AA DC DC Motherboard PCA Ren Audio Jack The power switch and lid PCA switch are contained on the motherboard Hard Disk Drive All external connections except IR and audio are made to the Main motherboard Battery Plug In Mod
38. F1460 60906 47 Plate CPU bottom F1460 60949 48 Plate CPU top Pentium T F1460 60950 48 Plate CPU top Pentium II MD F1460 60951 49 Screw M2x3 5mm 50 Screw M2x4mm F1460 60989 51 Screw M2x14mm F1460 60988 52 Screw M2 5x4mm 53 Screw M2 5x5mm F1460 60984 54 Screw M2 5x16mm F1460 60986 55 Screw M2 5x19mm F1460 60985 56 Screw M3x3mm F1460 60983 57 Screw M3x4mm F1460 60990 58 Socket PCMCIA F1460 60919 59 Speaker F1460 60960 60 Standoff VGA Thermal pads Pentium T Thermal pads Pentium II MD See Table 4 2 for components 4 4 Replaceable Parts HP OmniBook 4100 Figure 4 2 Display Components HP OmniBook 4100 Replaceable Parts 4 5 Figure 4 3 Motherboard Components HP OmniBook 4100 Replaceable Parts 4 6 Table 4 2 Assembly Component Breakdown Assembly Part Number Exchange Components Part Number Included in Part Number Assembly Case bottom F1460 60961 Cover RAM BIOS F1460 80013 No Docking doors F1460 60964 No Feet 2 F1460 60991 Yes O door F1460 60965 No Label regulatory F1460 60962 No business card Overlay serial 7121 7525 No number Module latches F1460 60963 No Be Spe I Display kit latch F14
39. Fn F5 Switches among the built in display an external display and simultaneous displays Fn F8 Toggles the embedded keypad on and off Does not affect an external keyboard If Num Lock is on then the numeric functions are active otherwise cursor control is active Fn F12 Enters Hibernate mode Fn R Enters Suspend mode Fn S Enters Standby mode Fn ScrLk Toggles Scroll Lock on and off Fn UP ARROW Increases and decreases the sound volume Fn DOWN ARROW Resetting the OmniBook 1 Use a pen or a straightened paper clip to push the system off button on the left side of the OmniBook The switch is on the motherboard Press and hold the blue power button until the display shuts down The switch is on the VGA PCA 2 After the computer shuts down press the blue power button to turn it back on Note The OmniBook can boot from a CD if all these conditions are true e You have an internal CD ROM drive installed e You have a bootable CD in the drive such as the OmniBook Recovery CD and e 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 1 6 Product Information HP OmniBook 4100 System Resources Below are default values for system resources To see other non default possibilities use the BIOS Setup utility see page 3 23 which
40. IOS _Setup Keyboard Some or all keys do Keyboard not work properly Motherboard BIOS IC HP OmniBook 4100 Troubleshooting and Diagnostics 3 7 Symptom PS 2 keyboard and mouse with Y adapter do not work Call Center Suggestions Check devices separately Repair Center Likely Causes Y adapter PS 2 device Motherboard Repair Center Comments Pointing stick General problems Check settings in Control Panel Check that the pointing stick Lis enabled in BIOS Setup Keyboard assembly Motherboard Special TrackPoint driver features not working Click button doesn t work If installed remove TouchPad driver support using Add Remove Program In Mouse Properties select the IBM TrackPoint driver from the track point directory under 1 OmniBook Drivers Keyboard assembly Motherboard Touch pad support flex cable Motherboard Touch pad General problems Check settings in Control Panel Check pointing stick settings in Control Panel The IBM TrackPoint driver can redefine touch pad operation Check that the touch pad is not disabled in BIOS Setup Touch pad support PCA or flex cable Motherboard Special TouchPad driver features not working If installed remove IBM TrackPoint support using Add Remove Program then in Mouse Properties select the standard PS 2 mouse Disable the pointing stick i
41. If only a solid color test fails see chapter 5 for cosmetic guidelines replace the LCD module Audio Tests if thi eral Microphone Line In Tests is error also occurs for an externa E headphone replace the motherboard 9003h If the error occurs for built in and external Otherwise check the speaker connections microphones replace the motherboard If it replace the speakers If it occurs only for an occurs for only the built in microphone check external headphone replace the audio jack the LCD flex cable connection replace the PCA inverter PCA If it occurs only for an external microphone replace the audio jack PCA E A kana 9004h Replace the audio jack PCA Replace the motherboard Video Tests Tests 0900h Replace the VGA PCA 0901h 0903h Replace the LVDS PCA Replace the VGA 0906h PCA 0907h Replace the VGA PCA 0908h 0909h Replace the LVDS PCA Replace the VGA 090Ah PCA 090Ch Replace the VGA PCA 090Fh Suspend Resume Test 9005h Run BIOS Setup and restore default settings Reprogram the BIOS IC Replace the BIOS IC Replace the motherboard USB Port Test Make sure a USB device is connected to the port you are testing Select the correct speed for the device Replace the motherboard or dock component if applicable IR Tests FIR enabled undocked 9002h Rerun the test Replace the motherboard 8000h See LCD Test nea
42. OOK directory and type esn at the prompt Otherwise copy 1Omnibook Drivers AputilsEsn exe from the OmniBook 4100 Recovery CD then run it on the OmniBook 3 Store the serial number 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 get a copy from the Reseller website see page vi 1 Using any PC connected to a laser printer open the master serial label file enter the serial number and product number from the old serial label and print the new label on plain white paper The new label does not have barcodes 2 Carefully cut out the new serial label just inside the border and place it into the inner recess in the bottom case The bottom of the label goes toward the front of the case HP OmniBook 4100 Removal and Replacement 2 19 3 While holding the paper label in place attach a serial label overlay into the outer recess It covers and protects the serial label Removing the BIOS IC HP Authorized Service Providers Only Note A replacement BIOS IC contains only enough basic programming to boot the OmniBook After installing the IC you must reprogram it Hewlett Packard prefers that you program the IC with the latest BIOS follow the direc
43. Screw M2x3 5mm F i Screw M2x14mm 2 bes ey CPU with top plate bottom plate edness mg Heatsink finned LVDS PCA VGA PCA DC DC PCA part of CPU top plate Be Audio jack PCA VGA standoff 2 v4 IR PCA Motherboard Y Pasi S Screw M2 5x5mm Ju Heat exchange cover Air vent cover Screw M2 5x5mm Screw M2 5x16mm Left frame Para RAM BIOS cover KH Right frame l N Screw M2 5x5mm l 8 Men a M2x3 5mm Figure 2 9 Removing the Motherboard gt Audio jack cover HP OmniBook 4100 Removal and Replacement 2 17 Reassembly Notes Note Installing a New Motherboard e Ifa RAM board is present transfer it from the old motherboard to the new one e Reprogram the BIOS IC see the note below e Store the serial number electronically in the new motherboard see the steps below Note Installing a New Bottom Case e Transfer these parts from the old bottom case to the new one I O door docking doors and module latches see the figures below Speakers e Install a new regulatory business card label e Install a new serial number label and overlay see the steps below e Route the speaker wires so they do not get pinched or block screw holes e Route the fan wires at the bottom of the opening next to the motherboard e When attaching the IR PCA to the right frame make sure the PCA is parallel with the back of the case
44. T TI a apa a paa aa AI N N ama mama ma ma MI MX ay bai zZ E 3 o o Description Screw M3x3mm Screw M2 5x5mm Screw M2 5x19mm Screw M2 5x16mm Screw M2 5x5mm Screw M2x14mm Screw M2x4mm Screw M2 5x4mm Foot rubber LCD module Samsung 13 Cover RAM BIOS Module filler Service Manual OB4100 OmniBook Performance 98 Group training kit Recovery CD English OB4100 W95 Recovery CD German OB4100 W95 Recovery CD French OB4100 W95 Recovery CD Spanish OB4100 W95 Recovery CD Italian OB4100 W95 Recovery CD Swedish OB4100 W95 Recovery CD English OB4100 WNT Recovery CD German OB4100 WNT Recovery CD French OB4100 WNT Recovery CD Spanish OB4100 WNT Recovery CD Italian OB4100 WNT Recovery CD Swedish OB4100 WNT Battery lithium ion Adapter PS 2 Y Drive LS 120 module Drive floppy disk module no cable Cable external FDD Drive CD ROM module User ba jan o D D fez lt es oO a D S S D D S es e lt a w e es lt o 4 10 Replaceable Parts HP OmniBook 4100 5 Reference Information This chapter includes the following reference information e Password removal policy e Display quality statement Password Removal Policy If the user forgets the system password the user calls Technical Support to determine the proper removal procedure The user must provide proof of ownership and th
45. UPPT TXT 11 Exit Press F3 to exit and reboot 12 Optional Check the log On any computer open the HPSUPPT TXT log file on the diagnostic disk using Notepad or other text editor It contains a hardware summary and a list of all test results and errors HP OmniBook 4100 Troubleshooting and Diagnostics 3 13 Note that the serial and parallel port tests are more thorough if you connect a loopback connector to the port before running the test for that port See the wiring diagrams below 13 These connections are not used Diodes are 1N4004 or equivalent Ir 1A Vr 1V 1A Va 30 400V 4 14 Figure 3 3 Serial and Parallel Loopback Connectors Interpreting the Results e The following table lists test groups error codes and suggestions for followup actions Consider these suggestions in combination with other troubleshooting information Table 3 3 OmniBook Diagnostic Error Codes 0090h Replace the BIOS IC Replace the 0096h motherboard Suggestions System Tests 009Ah Replace the BIOS IC Replace the 009Eh motherboard 009Fh Insufficient DOS memory Load fewer device drivers 0001h Reseat or replace the CPU module 0008h 0009h Replace the motherboard 0070h 00A5h No repair ESCD not supported 0071h Bad CMOS checksum Reset the system then 00A6h 0010h Reseat or replace the CPU module 002Fh p OOAOh No repair ESCD not supported 0030h
46. ase until the snaps release When one side is free repeat along the opposite side until only the top edge is attached 5 Now lift the bottom edge about 5 cm and press inward along the top edge until the snaps release and the bezel lifts off HP OmniBook 4100 Removal and Replacement 2 11 Remove the two screws holding the LCD brackets and hinges near the bottom corners of the display case Remove the combined hinges and strip cover 7 On the plastic cable holder unsnap the cover 8 If present unplug the flex cable that wraps around the inverter PCA to the left of the cable holder 9 Raise the inverter PCA out of the case and unplug the three cables Remove the PCA 10 Slide the LCD module and brackets toward the bottom of the case When the slots in the brackets clear the tabs in the case lift out the LCD module the LED strip cable is still in the display case 11 If the LED strip cable is held by the LCD bracket lift the right tab of the LED strip where it fits into the display case Lift the strip out of the case 12 Remove the four screws holding the brackets to the LCD module 13 Separate the LCD module and the shield e You may have to remove one or more pieces of tape e If the flex cable is still attached to the LCD module unplug the cable 2 12 Removal and Replacement HP OmniBook 4100 Screw cover upper domed 2 Display bezel Screw cover lower flat 4 _ I H 7 Caution Instal
47. ass Storage 6 4 GB or 4 0 GB removable hard drive Standard 1 44 MB floppy drive module Standard 24X CD ROM drive module Optional LS 120 SuperDisk module RAM Audio System 32 MB SDRAM on board One slot for RAM expansion up to 96 MB 160 MB maximum with future memory _technologies 16 bit Sound Blaster Pro compatible SRS 3D enhanced audio Stereo sound via two built in speakers Built in microphone Line in headphone out and microphone in Keyboard and Pointing Device 87 88 key touch type QWERTY keyboard with 101 102 key emulation Embedded numeric keypad 12 function Fn keys _ Two pointing devices pointing stick technology licensed from IBM and touch pad Input Output Universal serial bus USB 9 pin 115 200 bps serial 16550 UART 25 pin bi directional ECP EPP parallel Video out up to 1024x768x64K colors at 85 Hz refresh rate PS 2 keyboard mouse _4 Mbps IrDA compliant infrared port Expandability One Type III or two Type II 16 32 bit PC Card slots 3 3 and 5 V support CardBus enabled Plug in module bay for accessory modules _ Optional port replicator mini dock and docking system HP OmniBook 4100 Product Information 1 9 Preinstalled Software Windows 95 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 McAfee Virus Scan 3 1 5 Onlin
48. assembly steps are the reverse of the removal steps Reassembly notes are included at the end of each section below jaen 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 5x5mm T head screw Table 2 2 Required Equipment e Small Phillips screwdriver preferably magnetized e 5 mm hex driver e Pointed knife or probe e Small flat blade screwdriver e IC insertion removal tool Table 2 3 Recommended Screw Torques Screw Thread Size Torque in Ibf 1 0 1 5 0 9 1 3 M2 5 5 mm 3 0 3 5 2 6 3 0 M2 5 16 19 mm 2 5 3 0 2 2 2 6 M3 3 0 3 5 2 6 3 0 2 2 Removal and Replacement HP OmniBook 4100 Removing the Battery or Plug In Module User Replaceable Required Equipment e None Removal Procedure 1 Unplug the ac adapter if present 2 Slide forward the module latch slider on the corner next to the module then swing back the latch to loosen the module 3 Pull out the module 4 Slide the latch back into the case Figure 2 1 Removing the Battery or Plug In Module Reassembly Notes e Important You must slide the latch forward before you can insert a module e You can install a battery in either bay But any other type of module must be installed in only the left bay HP OmniBook
49. d by Microsoft Corporation SystemSoft Corp Crystal Semiconductor Corporation Phoenix Technologies Ltd and NeoMagic Inc See the individual programs for additional copyright notices Microsoft MS MS DOS and Windows are registered trademarks of Microsoft Corporation Pentium and the Intel Inside logo are U S registered trademarks and MMX is a U S trademark of 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 Hewlett Packard Company Mobile Computing Division 19310 Pruneridge Ave Cupertino CA 95014 U S A Edition History N April 1998 ii HP OmniBook 4100 Contents Product Information isis ian lin nnnn asn Features and Operation snc cece peindre iee wie as tested bas Sisa Hanana 1 2 Turning the OmniBook On and Off oooooomooooo oom oma 1 4 Checking the Status of the OmniBook oooooooooWoWoWo Woman 1 4 Using En Hot Keys canti nasa Sana an nina A ama udah 1 6 Resetting the OmmiB 00k 2 21 exo none gece mean aman asam aan ang 1 6 System Resources rasen en sa NA NA NT 1 7 O PECIKICATONS TTT 1 9 Internal DESIO ata tara ae AA RENA en RAN AAN Result 1 12 2 Removal and Replacement oooooooooooooooooooooooooo
50. disk drive no other drive Iv E E Up E O N Charging Steady green light AC adapter is connected battery is full Blinking green light AC adapter is connected battery is charging No light AC adapter is not connected The keyboard status lights located above the keyboard indicate the states of the keyboard locks These lights are on the VGA PCA Table 1 5 Keyboard Status Lights VGA PCA AB Meaning P E E Caps Lock Caps Lock is active CO E Keypad Lock The embedded keypad is active Fn F8 Num Lock must also be on for the numeric keys otherwise cursor control is active oe Ma Num Lock Num Lock is active In addition the battery module has five lights that indicate its charge level To view the lights you have to remove the battery and press the pad on the back next to the connector The number of lights that turn on indicates the charge HP OmniBook 4100 Product Information 1 5 Using Fn Hot Keys The Fn key combined with another key is a hot key a shortcut key sequence for various system controls For an external keyboard CTRL ALT is normally equivalent to the Fn key Table 1 6 Fn Hot Keys Hot Key Effect Fn F1 Decreases the display s brightness Fn F2 Increases the display s brightness Fn F3 Decreases the display s contrast non TFT displays only En F4 Increases the display s contrast non TFT displays only
51. drive case is damaged it can prevent proper operation contacts Hard drive case flex cable Hard disk makes Back up the drive Hard drive Check the computer and clunking or immediately drive for evidence of scratching noise Was the computer or drive customer abuse dropped Hard disk makes Back up the drive Depends on the buzzing or whining immediately source of the noise noise Check for alternate noise sources such as a PCMCIA drive or fan If a keystroke causes the sound to change it may be power supply noise Files are corrupted Run a virus scan program Check the disk surface by running Scandisk Windows 95 or Disk Administrator Windows NT Or boot to DOS and run CHKDSK to look for problems run CHKDSK f to fix Use Recovery CD to restore original factory software Use same suggestions shown at left Drive capacity is less than normal Floppy drive General problems Check the disk surface by running Scandisk Windows 95 or Disk Administrator Windows NT Check partitions using FDISK Windows 95 or Disk Administrator Windows NT Check floppy module Hard drive Floppy module or Use same suggestions shown at left Recreate the Hibernate partition then partition and format the disk contacts contacts Try using alternate Floppy cable connection with or without Motherboard floppy cable Check settings in B
52. ducts The manual is designed as a self paced guide It is intended to train you to install configure and repair OmniBook computers You can follow this manual without having equipment available The following table lists additional places where you can get supplementary information about OmniBook products Sources of OmniBook Information Source Address or Number Comments HP External Web HP US Reseller Web http www hp com go omnibook http www2 hp com go omnibook European mirror http partner americas hp com No usage restriction Restricted to Authorized Resellers only HP Asia Pacific Channel Support Centre for DPSP Partners America Online CompuServe HP Bulletin Board Service HP First automated fax HP Support Assist CD ROM http www hp com au Keyword HP GO HP 800 333 1917 Restricted to DPSP Partners only Call 800 827 6364 for membership within the US Call 800 524 3388 for membership within the US Refer to the latest Product Support Plan for non US BBS numbers US and Canada 801 344 4809 800 544 9976 800 457 1762 Outside US and Canada Reseller support number enter outlet id number US and Canada 801 431 1587 Baud rates 300 28 800 Parity E Data bits 7 Stop bits 1 Outside US and Canada vi HP OmniBook 4100 Product Information The HP OmniBook 4100
53. e display 14 F1460 60968 10 Case HDD kit F1460 60982 11 Case top F1460 60946 12 Cover air vent and PS 2 USB F1460 60956 13 Cover audio jack F1460 60959 14 Cover heat exchange fan F1460 60955 15 Cover heatsink F1460 60952 16 Cover hinge left F1460 60941 17 Cover hinge right F1460 60940 18 Cover RAM BIOS F1460 80013 Yes 19 Cover screw lower flat Yes 20 Cover screw upper domed Yes 21 Cover speaker left F1460 60945 22 Cover speaker right F1460 60944 23 Cover strip top case F1460 60942 24 Cover VGA connector F1460 60943 Yes 25 CPU module MMO 233MHz Pentium II MD 1821 4303 F1440 69103 25 CPU module MMO 266MHz Pentium T 1821 4302 F1440 69102 25 CPU module MMO 266MHz Pentium II MD 1821 4304 F1440 69104 26 Door I O F1460 60965 Yes 27 Drive flo disk module no cable F1472 80001 Yes 28 Drive hard disk 4 0GB IBM 0950 2671 F1386 69100 28 Drive hard disk 4 0GB Toshiba 0950 2865 F1386 69101 28 Drive hard disk 6 4GB IBM 0950 2785 F1475 69100 29 Fan F1460 60954 Foot rubber F1460 60991 Yes 30 Frame left F1460 60957 31 Frame right F1460 60958 32 Heatsink finned F1460 60953 33 Hinges display left and right F1460 60973 IC BIOS Pentium II MD F1460 12007 IC BIOS Pentium T F1460 12016 34 Keyboard Danish F1460 60932
54. e Before installing the CPU module assemble it into the bottom plate and attach the top plate Then install the complete assembly on the motherboard See the following caution Caution e Install or replace CPU module thermal pads that are missing or damaged See the figures below e Keep the CPU assembly flat while installing it Press it down above the connectors at the right end Otherwise you could damage the connectors e Install the two screws in diagonally opposite corners of the top plate Note If you installed a new motherboard with a new BIOS IC the IC contains only enough basic programming to boot the OmniBook After installing the IC you must reprogram it Hewlett Packard prefers that you program the IC with the latest BIOS follow the directions carefully You can download it from the OmniBook website see page vi 2 18 Removal and Replacement HP OmniBook 4100 Note View from inside the case M Note Left latch shown Rotate the doors 360 to load the spring Rotate the latch 180 to SI load the spring Figure 2 10 Installing Docking Doors and Module Latch O CPU module Pentium II MD CPU module Pentium T 2 thermal pads 4 thermal pads Figure 2 11 Positioning Thermal Pads Storing the Serial Number Electronically 1 Exit Windows and boot to a DOS prompt 2 Run ESN EXE from one of these sources On a factory software installation change to the OMNIB
55. e OmniBook must be operated during the procedure The password removal procedure is protected as HP Company Private information There are a restricted number of locations that can perform password removal It may not be disclosed or distributed outside those locations Password removal is strictly controlled Hewlett Packard and authorized support providers must ensure with written evidence that the OmniBook being cleansed is actually in the possession of the unit s actual and current owner This requires a sales receipt showing the unit serial number and owner s name or a written statement from the owner attesting that he or she is the owner of the unit 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 In addition HP will not remove the password of a unit for any non owner even if it is requested by law enforcement agencies If you receive such a request you should notify management and HP Corporate Legal immediately These requests may require a court order prior to our participation Further the entity removing the password must log the name serial number and date of the removal and file the written backup with the log The log and backup are subject to standard record retention process and review The final issue relating to removal of passwords is that HP cannot provide information to users that would assist
56. e battery module be sure the plastic tab on the hard drive case lays folds up against the front of the case Important e If you are installing a new hard drive you should create a Hibernate partition on the drive before loading any software see the steps below Creating a Hibernate Partition 1 If you do not have an OmniBook Recovery CD and internal CD ROM module for the computer you are repairing create a Support Utility floppy disk now After inserting a formatted floppy disk in the floppy drive do one of the following On a factory software installation click Start Programs OmniBook Create Support Utility Disk On any computer that has a CD ROM drive run makesupp from the Omnibook Drivers Hputils directory on the OmniBook 4100 Recovery CD On any computer with World Wide Web access download the Support Utility software package from the OmniBook website see page vi Follow the instructions provided 2 Insert the Recovery CD in the CD ROM drive or insert the Support Utility disk in the floppy drive 2 6 Removal and Replacement HP OmniBook 4100 3 Reboot the computer If you are using the Recovery CD press ESC during reboot to cancel the OmniBook screen ESC to display the boot device menu then select the CD ROM drive as the boot device 4 When prompted select Create Hibernate Partition We recommend that you create a 96 MB partition the same as the factory setup
57. e documentation OmniBook Recovery CD ROM included _ Centralized worldwide BIOS and driver update service Microsoft Windows 95 or Windows NT 4 0 Security Features Environmental Limits User and administrator passwords System hard drive and docking passwords PC identification displayed at boot DMl accessible electronic serial number _ Kensington Microsaver lock slot Operating temperature 5 to 35 C 41 to 95 F Operating humidity 20 to 90 percent RH 5 to 35 C _ Storage temperature 20 to 50 C 4 to 122 F Major ICs CPU Intel Mobile Pentium or Pentium II South Bridge PIIX4E Video NeoMagic MagicGraph NM2160 Audio Crystal CS4237B CardBus TI PCI1250A Keyboard controller National PC87570 _ Super I O SMC 769 1 10 Product Information HP OmniBook 4100 Table 1 12 OmniBook 4100 Accessories OmniBook 4100 Only Accessories F1474A 24X CD ROM drive module F1472A Floppy drive module F1473A Floppy drive cable for external use F1466A Lithium ion battery primary and secondary F1467A 4 0 GB internal hard disk drive F1475A 6 4 GB internal hard disk drive F1470A LS 120 SuperDisk drive module OmniBook 7100 4100 3100 2100 Accessories F1477A Docking system and monitor stand tall F1452A Mini dock F1451A Port replicator F1453A Monitor stand short F1456A 32 MB RAM expansion card 7100 4100 only F1457A 64 MB RAM expansion card 7100 4100 only
58. ed and set _ automatically Hard Disk Sets the hard disk drive type and various parameters Detected and set _ automatically Quiet Boot When enabled hides summary of power on self test and Enabled messages during boot Video Display Device Sets whether the built in and external display signals Auto automatically switch when an external display is detected or whether both signals are active Pressing Fn F5 temporarily switches displays Setting to Both prevents suspending when lid closes System Memory Shows the system memory size _640KB Extended Memory Shows the extended memory size Detected _ automatically System Devices Menu _ Default Internal Pointing Devices Enables one or both built in PS 2 devices Both External Fn Key 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 l _FDD Controller Enables the floppy drive Enabled Serial Port Sets how the serial port is configured by the BIOS specified or automatic Enabled Base l O address Sets the l O address and interrupt _3F8h IRQ4 HP OmniBook 4100 Troubleshooting and Diagnostics 3 23 Infrared Port Mode Sets how the infrared port is configured by the BIOS specified Disabled or automatic Sets the hardware to support SIR Standard IR ASK IR amplitude shift keyed IR
59. ed on your computer and may be able to tell how well they are working or whether any needs replacing All this information is stored in a special Management Information Format MIF file installed on each personal computer as part of the DMI package Installing the DMI Package The DMI package is included with the OmniBook but it must be properly installed before it can be used The following steps explain how To install the DMI preloaded on the hard disk 1 Start Windows if it is not already running 2 Click Start Programs HP DMI Setup To install the DMI from floppy disks or from the OmniBook 4100 Recovery CD 1 For floppy disks copy the DMI software from the omnibook drivers os_version dmi directory of either the hard disk or Recovery CD to two or more floppy disks for example copy the contents of the disk1 subdirectory to disk 1 2 Start Windows if it is not already running 3 Insert disk 1 into the floppy drive or insert the Recovery CD into the CD ROM drive 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 e A README TXT file e A Windows online help file describing Hewlett Packard s
60. ery or contacts Motherboard Battery or contacts AC adapter Motherboard Fan DC DC PCA Check ac adapter Check fan Second battery Try swapping the two Second battery or Try external monitor connections Inverter PCA LVDS PCA does not work main batteries contacts battery works Check contacts on second Motherboard battery Second battery does not charge until main battery is fully charged Battery indicator is Completely charge and Motherboard Try cycling the battery inaccurate discharge the battery 2 to 4 charge cycles in the unit Display Dark display no Adjust display brightness LCD module If an external monitor light Press Fn F5 several times backlight displays no image replace LCD cable or the VGA PCA instead then motherboard White display Adjust display brightness LCD module Inverter PCA LVDS PCA 3 6 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Call Center Suggestions Repair Center Likely Causes Repair Center Comments Erratic display LCD cable or connections LCD module Bright or missing See guality statement on LCD module See guality statement on pixels or lines page 5 2 LCD cable or page 5 2 Hard disk Hard disk never spins Check the power source Remove and reinsert the hard drive Check the connections Hard drive or contacts Motherboard If the
61. 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 USB is not supported in Windows NT 4 0 Make sure Card Executive is installed for Windows NT If the card requires an IRQ check that there is one available Check for conflicts or refresh the device list in Device Manager Windows 95 or Administrative Tools or Control Panel System Windows NT Reboot the computer Try the card in the other slot or in another computer Check the OmniBook website for installation instructions page vi Download current drivers from the card manufacturer s website Motherboard IR PCA Motherboard Motherboard Motherboard PCMCIA socket If both slots have problems replace the motherboard If only one slot has a problem try replacing the PCMCIA socket HP OmniBook 4100 Troubleshooting and Diagnostics 3 9 Computer pauses or runs sluggishly Accessories Docking product I O to get hot Make sure the air vents are clear DOS games and other programs that drive CPU usage toward 100 can contribute May be normal Windows behavior background processing can affect response time If the hard disk has spun down to conserve power it can take several seconds to spin up You can hear this You can run BIOS Setup and change the hard disk time out to match the Suspend time o
62. ins these components e PCCtest 450 CardBus Card version 1 05 e PCCtest 450 software disk Software updates are available at the Sycard Technology website http www sycard com e Configuration headers PC Card 16 bit and CardBus 32 bit which attach to the card You will also need e CardBus extender card to avoid wear on the Sycard PCMCIA connector The Sycard PCCextend 70 extender card is an example The Sycard PCCtest 450 provides the following tests See the Sycard documentation for details about running the tests e PC Card 16 bit test PCT450 Requires the PC Card configuration header Run the test for the Texas Instruments PCI1250A socket controller command line switch b65 e CardBus 32 bit test TESTCB Requires the CardBus configuration header Run the test for the Texas Instrument PCI1250A socket controller command line switches b65 and jsd000 3 20 Troubleshooting and Diagnostics HP OmniBook 4100 Desktop Management Interface DMI The Desktop Management Interface DMI is basically a set of rules for accessing information about a personal computer Using DMI an application program can determine for example which hardware and software components are present in a personal computer the operating system that is being used and the number of accessory board slots that are available Using the DMI interface a local or remote application program can check what hardware and software components are install
63. k 0281h Replace the hard disk 0302h Run BIOS Setup and check the floppy drive type Replace the floppy drive Insert a floppy disk without write protection 0304h Run BIOS Setup and check the floppy drive type Replace the floppy drive Replace the motherboard Run BIOS Setup and check the floppy drive type Check the connectors on the floppy drive and motherboard Replace the floppy drive 0308h Transient DMA error Rerun the test 0309h 030Ah Rerun the test with a good floppy disk Replace 0310h the floppy drive 0311h Rerun the test with another floppy disk 0321h Replace the floppy drive 0322h 0340h Replace the motherboard 0380h Make sure the floppy disk is fully inserted 03AAh Check the connectors on the floppy drive and motherboard Replace the floppy drive Run BIOS Setup and check the floppy drive type Rerun the test with another floppy disk Replace the floppy drive Replace the motherboard Check the connectors on the floppy drive and motherboard Rerun the test with another floppy disk Replace the floppy drive Replace the motherboard Keyboard Tests 0400h Replace the motherboard 0401h than 200 cylinders 02AAh Check internal and external hard disk 0410h Check the keyboard flex cable connection connectors and motherboard connector 0414h Replace the keyboard Replace the Replace the hard disk
64. k connector is installed and constructed properly For the external or internal loopback test replace the motherboard 0604h Replace the motherboard 0605h For the external loopback test make sure the loopback connector is installed and constructed properly For the external or internal loopback test replace the motherboard Make sure the loopback connector is installed and constructed properly Replace the motherboard 0606h 0607h 0611h 0608h Replace the motherboard HP OmniBook 4100 Troubleshooting and Diagnostics 3 15 Parallel Port Tests For the external loopback test make sure the 1302h Replace the motherboard 1306h loopback connector is installed and constructed 9006h See USB Port Test near end of table properly For the external or internal loopback LCD Test test replace the motherboard 8000h If the test fails with an external monitor must 0702h Replace the motherboard support VESA mode 105h replace the VGA 0703h Run BIOS Setup and disable ECP for the PCA replace the motherboard Otherwise parallel port then rerun the test Replace the If the shaded band test fails check the LCD motherboard flex cable connection in the bottom case 0704h Replace the motherboard replace the LVDS PCA replace the LCD flex 0706h cable replace the VGA PCA replace the 0707h Connect the loopback connector motherboard 0708h Replace the motherboard
65. l Manageable Products Figure 3 4 DMI Components 3 22 Troubleshooting and Diagnostics HP OmniBook 4100 BIOS Setup Utility The BIOS Setup utility provides access to basic configuration settings It is independent of the operating system Running the BIOS Setup Utility 1 Close all applications then shut down Windows and reboot the OmniBook If necessary you can press CTRL ALT DEL to reboot 2 During reboot press F2 to start the BIOS Setup utility 3 The pointing device or mouse is not active in the BIOS Setup utility Press the RIGHT and LEFT arrow keys to move among menus Press the DOWN and UP arrow keys to move among parameters in a menu Press ENTER to change a setting See the table below for more information 4 After you select the options you want press F10 or use the Exit menu to exit the BIOS Setup utility If the settings cause a conflict between devices during reboot the system prompts you to run BIOS Setup and the conflicting settings are marked Table 3 6 BIOS Setup Menus and Parameters Main Menu Default Language Sets the language for this utility and BIOS messages _English BIOS Revision Shows the current BIOS version Detected _ automatically System Time Sets the time using 24 hour format Values set take effect System Date immediately Sets the date using mm dd yy English or dd mm yy format Floppy Drive Sets the floppy drive type Detect
66. l new screws after 1 removing any of the four d circled screws Note 14 inch display shown For a 13 inch display the LCD flex cable and other details differ LCD module a Screw size depends on LCD module _ Co Screw M2 5x4mm 6 u LCD shield LCD brackets left and right Inverter PCA 7 LCD flex cable Cable holder cover a N an Screw M2 5x4mm 2 LED strip cable Strip cover hinges and hinge covers Cable holder Figure 2 7 Removing the Display Reassembly Notes Caution e Be sure to replace the LCD module or other display components with compatible parts Components may be damaged if compatible parts are not used See the table on page 2 11 e Install new screws for all screws you remove that hold the display hinges Otherwise the hinges could loosen over time e Make sure the LED strip cable is routed through the bottom right corner of the LCD bracket e Install the inverter PCA under the main LCD flex cable HP OmniBook 4100 Removal and Replacement 2 13 e The extra length of LCD wires connecting to the inverter PCA is folded back along the PCA e Snap in the end caps after the display is assembled Caution At the lower right corner of the LCD module be careful the wires are not pinched where they pass next to the LCD bracket Otherwise they could be damaged Removing the Top Case HP Authorized Service Providers Only Reguired Eg
67. lists port and audio device configurations in the System Devices menu The tables in this section show typical resource usage as set up by the OmniBook BIOS Plug and play operating systems drivers and BIOS Setup settings may change some of the entries Table 1 7 System Interrupts gt gt OO YJO004A0nN _ OH OO P Go O System timer Keyboard Cascade IRQ 9 Free or COM2 infrared port if enabled COM1 serial port Crystal sound Floppy drive LPT1 ECP parallel port Real time clock Free USB and CardBus assigned by Windows driver Free Pointing device Numeric data processor Internal hard disk primary IDE controller Internal CD ROM drive secondary IDE controller Table 1 8 System Memory 00000 9FFFF System memory A0000 BFFFF C0000 CBFFF CC000 DBFFF DC000 FFFFF Video Video BIOS Free System BIOS Approximate boundary Valid uses for memory addresses CC000 DBFFF Upper memory blocks UMBs PC card memory windows HP OmniBook 4100 Product Information 1 7 Table 1 9 System Input Output Addresses 100 3FF 170 177 Internal CD ROM drive secondary IDE controller 1F0 1F7 Internal hard disk primary IDE controller 220 22F Crystal sound 376 Internal CD ROM drive secondary IDE controller 378 37F LPT1 printer port 388 38B Sound 3B0 3BB VGA adapter 3C0 3DF VGA adapter 3E0 3E1 PCMCIA controller 3F0 3F5 Floppy controller 3F
68. lug the audio jack PCA Di BIOS IC See page 2 19 Bottom Case See page 2 16 HP OmniBook 4100 Removal and Replacement 2 23 Component CPU Bottom Plate Removal Procedures Additional Steps See figures on pages 4 2 4 6 Keyboard page 2 8 1 Remove the screw from the heatsink cover and lift it off the heatpipe 2 Remove the screws from the CPU top plate then lift the right half of the complete CPU assembly so it unplugs from the motherboard 3 Slide off the top plate then remove the CPU module from the bottom plate Reassembly Notes Assemble the CPU module top plate and bottom plate before installing them on the motherboard Caution Keep the CPU assembly flat while installing it Press it down above the connectors at the right end Otherwise you could damage the connectors CPU Module MMO Keyboard page 2 8 1 Remove the screw from the heatsink cover and lift it off the heatpipe 2 Remove the screws from the CPU top plate then lift the right half of the complete CPU assembly so it unplugs from the motherboard 3 Slide off the top plate then remove the CPU module from the bottom plate Reassembly Notes Assemble the CPU module top plate and bottom plate before installing them on the motherboard Caution Replace the CPU module with one of the same module type see the table on page 4 3 Caution Install or replace CPU module thermal pads that are
69. me changes Save Changes Saves Setup changes and stays in Setup Security settings are saved when changed HP OmniBook 4100 Troubleshooting and Diagnostics 3 25 4 Replaceable Parts This chapter contains an exploded view of the OmniBook and the following lists of parts e OmniBook replaceable parts page 4 2 e Assembly component breakout page 4 7 e Accessory replacement parts page 4 7 e Part number reference page 4 8 HP OmniBook 4100 Replaceable Parts 4 1 Motherboard see page 4 6 0000 0000 components 9000000 Display components see page 4 5 D0000 Figure 4 1 Exploded View HP OmniBook 4100 Replaceable Parts 4 2 Table 4 1 OmniBook Replaceable Parts Description Part Number Exchange User Part Number Replaceable 1 Assembly touch pad support F1460 60947 2 Battery lithium ion F1466 80001 Yes 3 Bezel display LG 14 F1460 60967 3 Bezel display Samsung 13 F1460 60969 4 Cable LCD flex LG 14 F1460 60981 4 Cable LCD flex Samsung 13 F1460 60975 5 Cable LED strip F1460 60972 6 Cable touch pad flex F1460 60948 7 Cap end display Cap pointing stick F1320 60971 Yes 8 Case bottom F1460 60961 9 Case display 13 F1460 60970 9 Cas
70. modules e Troubleshooting information Troubleshooting the problem page 3 2 Verifying the repair page 3 3 Suggestions for troubleshooting page 3 4 e Diagnostic tools OmniBook hardware diagnostic program page 3 12 Power on self test page 3 17 Sycard PCCtest 450 PC Card page 3 20 Desktop Management Interface page 3 21 BIOS Setup utility page 3 23 HP OmniBook 4100 Troubleshooting and Diagnostics 3 1 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 Try to duplicate the customer s problem Troubleshoot the problem using Diagnostic tools Troubleshooting suggestions Verify the repair by testing the functionality of the complete unit Figure 3 1 Basic Troubleshooting Steps Troubleshooting the Problem Record pertinent information about the unit Model and serial number Operating system and version BIOS version Accessories and peripherals used Analyze the problem e Observe Symptoms Using the customer s information try to duplicate the problem Determine how the problem differs from proper behavior Also take note of the functio
71. n Click buttons above and below the touch pad Figure 1 1 OmniBook Front View xN lt lt Battery N N PS 2 port USB port 7 Plug in module bay System off button Speaker Module latch Figure 1 2 OmniBook Side View 1 2 Product Information HP OmniBook 4100 Infrared port Kensington Parallel port lock slot ____ II Serial VGA Docking port out port Figure 1 3 OmniBook Rear View Table 1 2 Product Comparisons OmniBook 7100 OmniBook 4100 OmniBook 2100 3100 OmniBook 3000 Processor Intel Pentium II 266 Intel Pentium II 266 Intel Pentium 266 233 Intel Pentium 266 MHz with MMX or 233 MHz or or 200 MHz with MMX 233 or 200 MHz technology Pentium 266 MHz Itechnology with MMX technology 512 KB burst with MMX technology 512 KB burst 512 KB burst synchronous L2 512 KB burst synchronous L2 cache synchronous L2 cache high speed synchronous L2 cache bus cache high speed bus for Pentium II Memory 32 MB RAM on 32 MB RAM on 32 MB RAM on 16 MB RAM on motherboard motherboard motherboard motherboard Expandable to Expandable to 96 MB Expandable to 96 MB Expandable to 160 MB 144 MB Display 14 1 inch TFT XGA 14 1 or 13 3 inch TFTI13 3 inch TFT XGA 13 3 inch TFT XGA display XGA display display or 12 1 inch display TFT or DSTN SVGA display Video PCI local bus video PCI local bus video PCI local
72. n BIOS Setup Run Setup exe from the touch pad subdirectory under Omnibook Drivers Touch pad support PCA or flex cable Motherboard Click button doesn t work Audio Sound does not play Check settings in BIOS Setup Increase sound volume Fn UP and software controls Check whether mute is active mute button and software controls Check for sound resource conflicts Touch pad support flex cable Motherboard Speakers Motherboard Check operation using headphones or external speakers audio jack PCA 3 8 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Sound does not record Call Center Suggestions Check settings in BIOS Setup Check software controls for microphone it should not be muted in recording panel Note The microphone should normally be muted in the master output panel Repair Center Likely Causes Inverter PCA mic Motherboard Repair Center Comments Check operation using external microphone audio jack PCA Serial Parallel General problems Infrared General problems USB General problems PCMCIA Setup problems Check settings in BIOS Setup Check settings in Control Panel and in Windows NT Diagnostics Infrared communication is not supported in Windows NT 4 0 Infrared is disabled and no drivers installed as shipped Drivers are included Check settings
73. ng the latch into the display case then lift it out of its holders End Cap Display page 2 10 1 Remove the display bezel page 2 11 2 Lift out the end cap Hinge Display page 2 10 1 Remove the display bezel page 2 11 2 Remove the hinges and strip cover from the LCD brackets then unsnap the hinge covers Hinge Cover Display page 2 10 1 Unsnap the hinge cover from the strip cover Inverter PCA Display page 2 10 2 Remove the hinge cover You may have to change the hinge position to free the hinge cover 1 Remove the display bezel page 2 11 2 On the plastic cable holder unsnap the cover 3 Unplug all cables attached to or holding the inverter PCA Lift up the PCA if necessary Reassembly Notes Attach cables with tape as in the original unit Caution Use compatible parts page 2 11 LCD Brackets part of LCD kit Display page 2 10 LCD module page 2 11 Caution Use compatible parts page 2 11 LCD Flex Cable Display page 2 10 LCD module page 2 11 Remove the LCD flex cable from the shield Reassembly Notes Attach the cable to the shield as in the original unit Caution Use compatible parts page 2 11 LCD Module See page 2 11 LCD Shield part of LCD kit LED Sirip Cable Display page 2 10 Display page 2 10 LCD module page 2 11 Remove the LCD flex cable from the shield Caution Use compatible parts
74. ns that do work properly 3 2 Troubleshooting and Diagnostics HP OmniBook 4100 e Separate Problems If there is more than one symptom separate them into distinct problems e Consider Causes Keep in mind possible causes for each problem Use the diagnostic tools and troubleshooting suggestions to help find possible causes The OmniBook diagnostic program is the primary troubleshooting tool it tests most components using automatic and interactive tests The table on page 3 4 shows how you can use the different diagnostic tools to isolate the cause The troubleshooting suggestions on page 3 5 include general suggestions for repairing units with certain failure symptoms Swapping easily replaced modules with known good modules is an ideal way to isolate the cause down to the module level It is rare for more than one module to be responsible for one failure symptom Therefore replacement of more than one module for a particular symptom should be the exception rather than the normal expectation After replacing a module it is normal for the unit to be in a confused state and lock up when power is applied If this occurs press the system off button to restart the computer in a known state Verifying the Repair Before returning the repaired unit to the customer verify the repair by running the following tests e Basic Diagnostic Test Run the basic test of the OmniBook diagnostic program page 3 12 and
75. nstalled on each computer separately The DMI package included with the OmniBook can be used only with the OmniBook The following software is supplied with the DMI package e A Microsoft Windows utility SETUP EXE to install and initialize the DMI software e A Windows utility HP TopTools After DMI is installed this utility can be used to display information about the computer through the DMI e A Management Information Format MIF file This file contains information about everything on the computer that can be controlled using DMI facilities and is initialized during installation e A component code identifying the version of MIF file to use for specific models of HP OmniBook computers e Windows compatible DMTF Service Layer software which controls access to the DMI e 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 If the main window of the Remote Agent is hidden then no icon will appear on the screen when it is running The following illustration shows a representation of several components of the DMI package Support application Management Applications Management console Desktop LAN management management application application Installation or setup program MIF Database Management Interface MI Service Layer Component Interface C
76. o Wo 2 4 Table 2 5 Hard Disk Drive Replacement Part Numbers oooooooooWo 2 5 Table 2 6 Replacing Small Parts User Replaceable o oooooocoooooWoooo 2 7 Table 2 7 Display Component Compatibility ooooooooooo nana 2 11 Table 2 8 Removing Display Components cococonccconnoncononanonncanononnnonncnnonnnonnonnon ocn nonn coronan on ncnoncrnncnnons 2 21 Table 2 9 Removing Top Case Components Woo Woman 2 23 Table 2 10 Removing Bottom Case Components oo 2 23 Table 3 1 Scope of Diagnostic TONS iii iniciada dadas 3 4 HP OmniBook 4100 Table 3 2 Troubleshooting Suggestions Woman 3 5 Table 3 3 OmniBook Diagnostic Error Codes oooooWo ooWooom mana 3 14 Table 3 4 POST Terminal Error Beep Codes oocoWoooWo ooooo Woman 3 17 Table 355 POST Messages s d aka han bis natal ae Ga hana ane Ran nan 3 18 Table 3 6 BIOS Setup Menus and Parameters oooooooooooooooWooWoom aka 3 23 Table 4 1 OmniBook Replaceable Parts 4 3 Table 4 2 Assembly Component Breakdown Woman 4 7 Table 4 3 Accessory Replaceable Parts AAA 4 7 Table 4 4 Part Number Reference ibnu di bi 4 8 Table 5 1 OmniBook 4100 LCD Guidelines CTEI cono rcnnncnnos 5 3 HP OmniBook 4100 V Introduction This service manual provides reference information for the HP OmniBook 4100 It is intended to be used by HP authorized service personnel in the installation servicing and repair of these pro
77. o interpret display guality 2 Use the table below to determine whether the display should be considered for replacement These are the only conditions in this guideline that may call for a replacement due to a defect in material or workmanship based on the HP Limited Warranty Statement 3 If a display is considered for replacement it should be clear to the customer that cosmetic variations on the replacement display may also exist and may reguire the customer to use a work around to obscure the cosmetic imperfection 4 Customers with cosmetic based complaints only that do not conform to the above conditions and tests will not normally be considered for display replacement It will be left to the judgment of the HP responsible person working with the customer to identify work arounds that are reasonable and appropriate for the individual customer Customers who must have a more perfect display solution should consider switching to an OmniBook with a DSTN display We expect over time that the industry will continue to improve in its ability to produce displays with fewer inherent cosmetic imperfections and we will adjust our HP guidelines as the improvements are implemented 5 2 Reference Information HP OmniBook 4100 Table 5 1 OmniBook 4100 LCD Guidelines TFT Type of Imperfection Imperfections Not Allowed LG 14 TFT XGA Electrical Imperfections Bright dots a Dark dots a Mechanical Imperfections
78. off the frame Unplug the IR cable from the motherboard On the left frame remove the screw that holds the plastic heat exchange cover then lift off the cover Unplug the fan cable from the motherboard and lift out the fan 10 On the left frame remove the screw that holds the frame to the motherboard then lift out the frame Lift out the side air vent cover and finned heatsink at the left side of the case On the right frame remove the two screws that hold the frame to the case then lift out the frame Remove the screw holding the motherboard at the back right corner Unplug the DC DC PCA from the right side of the motherboard Lift the front right corner of the motherboard and remove the audio jack cover from the case Unplug the audio jack PCA from the motherboard Note the routing of the speaker wires Then unplug the speaker wires from the motherboard Remove the two screws from the RAM BIOS cover and remove it from the bottom of the unit 2 16 Removal and Replacement HP OmniBook 4100 Hint In the next step while removing the motherboard reach through the RAM opening and separate the case from the PCA Otherwise the PCA sticks in the bottom case 19 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
79. ok 4100 Removal and Replacement 2 9 Removing the Display Assembly HP Authorized Service Providers Only Required Equipment e 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 3 Remove the screw above the VGA port 4 Remove the four D screws from the bottom case 5 Open the display about 90 degrees then lift off and lay back the combined top case strip cover and display assembly 6 Remove the two screws from the LCD flex cable end and unplug the cable Screw M2x4mm Strip cover SC Caution LCD flex cable Install new screws after removing the two 16mm screws at the corners Screw M2 5x5mm Screw M2 5x16mm 2 1 Ee VGA connector cover Screw M2 5x5mm Figure 2 6 Removing the Display 2 10 Removal and Replacement HP OmniBook 4100 Reassembly Notes Caution Install new screws for all screws you remove that hold the display hinges Otherwise the hinges could loosen over time Hint e While attaching the LCD flex cable to the LVDS PCA rest one corner of the display on the bottom case e 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 1
80. onents below e Top case components page 2 22 e Bottom case components page 2 23 Table 2 8 Removing Display Components Component Removal Procedures Additional Steps See figure on page 4 5 Cable Holder Display page 2 10 1 Remove the display bezel page 2 11 part of display case kit 2 Unsnap the cover of the cable holder 3 Use a flat blade screwdriver to pry the display case and release the cable holder Reassembly Notes Install the holder so the tabbed side is toward the bottom of the display case Display Bezel Display page 2 10 Remove the display bezel page 2 11 Caution Use compatible parts page 2 11 Display Case Display page 2 10 Remove the LCD module and brackets from the case but do not disassemble the module page 2 11 Reassembly Notes Transfer the display latch and cable holder from the old display case Caution Use compatible parts page 2 11 HP OmniBook 4100 Removal and Replacement 2 21 Component Display Latch part of display case kit Removal Procedures Display page 2 10 Additional Steps See figure on page 4 5 1 For a 13 inch display do not remove the LCD module but remove the display assembly and bezel page 2 11 For a 14 inch display remove the LCD module and brackets from the case but do not disassemble the module page 2 11 2 Use a flat blade screwdriver or probe to release one end of the latch spring 3 Swi
81. ooooommnanannaaaa 3 21 BIOS Setup Utility ia hee nee ana nana nasa EERSTEN Ee 3 23 4 Replaceable Parts E MOL 5 Reference nO ON a OL Password Removal Policy cita o Ban eg EE 5 1 Hewlett Packard Display Quality Statement 5 2 HP OmniBook 4100 iii Figures Figure 1 1 Ommi Book Front View eege ld NENNEN dE na agan sanga 1 2 Figure 1 2 OmniBook Side View ooconcononoccnononnconcnnnnnnnnnononnnonnonncanonnnonnono nn nono E nn non none E non 1 2 Figure 1 3 OmniBook Rear View 1 3 Figure 1 4 Replaceable Module Diagram ea 1 12 Figure 2 1 Removing the Battery or Plug In Module 2 3 Figure 2 2 Removing a RAM Board 2 4 Figure 2 3 Removing the Hard Disk Dnve eee cee eeeceseesecseesesaeeseeeeeesesaesseeseeaeseseeeeaeeaees 2 5 Figure 2 4 Installing a Hard Drive in the Cover oo mann 2 6 Figure 2 5 Removing the Keyboard 2 8 Figure 2 6 Removing the Display oocooomoWo oooWo Woman 2 10 Figure 2 7 Removing the Display W co co WoWo oo iritare adan hasan anna 2 13 Figure 2 8 Removing the Top Case cooooWoWoooooo Woman 2 15 Figure 2 9 Removing the Motberboard AAA 2 17 Figure 2 10 Installing Docking Doors and Module Latch 0 eee eee eee cseeseeseceeeeeeeseeaeeeeeaees 2 19 Figure 2 11 Positioning Thermal Pads oooooWooooWoo Wanna 2 19 Figure 2 12 Removing the BIOS IC ebessen blm lesen abad 2 20 Figure 3 1 Basic Troubleshooting Steng 3 2 Figure 3 2 OmniBook Diagnostic Screens Ba
82. oooooooo ooooooooooooooooooooooooooooooo 2 1 Removing the Battery or Plug In Module User Replaceable ocooooooooo 2 3 Removing a RAM Board User Replaceable uuesessessnsesnessnesnennennonnnennennnnnennennennannn 2 4 Removing the Hard Disk Drive User Replaceable oooocoocoooooooo 2 5 Replacing Small Parts User Replaceable ooooocooooWoooooW oo 2 7 Removing the Keyboard HP Authorized Service Providers Only 2 8 Removing the Display Assembly HP Authorized Service Providers Only o o 2 10 Removing the LCD Module HP Authorized Service Providers Only ooooWoo 2 11 Removing the Top Case HP Authorized Service Providers Only oooooooo oo 2 14 Removing the Motherboard or Bottom Case HP Authorized Service Providers Only 2 16 Removing the BIOS IC HP Authorized Service Providers Only oocoooo 2 19 Removing Other Components HP Authorized Service Providers Only oooo 2 21 3 Troubleshooting and Diagnostics ooooooooooooooooooooooooooooooooooooooooooooooo J L IIA AO 3 2 Troubleshooting the Problem nern anne ane 3 2 Kee te 3 3 Suggestions for Troubleshooting Won 3 4 Diagnostic e EE 3 12 OmniBook Diagnostic Program mana 3 12 Power On Selt Tesista AN Aan AE UN nan 3 17 Sycard PCCtest 450 CardBus Card Optional WWW 3 20 Desktop Management Interface DMI ooocoWooooo
83. ots The system BIOS will not boot the operating system if system memory the CPU DMA or the interrupt controller fails the POST diagnostic tests POST progress is indicated by a sequence of codes If possible error messages are displayed You should not interpret the failure of one or more POST tests as a hardware software or firmware failure First confirm the failure with a clean boot e Remove all accessories including RAM boards floppy drive port replicator PC Cards printer external monitor pointing device and keyboard e Provide clean ac power no auto adapter or unusual ac adapter configuration e Press the system off button to start from a known state If the computer fails to boot with a clean boot it requires repair If an error message is displayed confirm the problem using other diagnostic tools Not all POST messages indicate a hardware software or firmware failure some messages are informational messages If the BIOS detects a terminal error condition it halts POST after issuing a terminal error beep code up to four groups of 1 to 4 short beeps The beep code indicates the POST routine in which the terminal error occurred The BIOS also issues a beep code one long tone followed by two short tones during POST if the video configuration fails no card installed or faulty or if an external ROM module does not properly checksum to zero Table 3 4 POST Terminal Error Beep Codes
84. page 2 11 1 Remove the LCD module and brackets from the display case but do not disassemble the module page 2 11 2 If necessary to free the LED cable remove the right LCD bracket Reassembly Notes Make sure the LED cable is routed through the bottom right corner of the LCD bracket Strip Cover Top Case Display page 2 10 Unsnap the strip cover from the hinge covers 2 22 Removal and Replacement HP OmniBook 4100 Table 2 9 Removing Top Case Components Component Removal Procedures Additional Steps Keyboard See page 2 8 Strip Cover Display page 2 10 Unsnap the strip cover from the hinge covers Top Case See page 2 14 Touch Pad Flex Cable Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 1 Remove the two screws holding the support assembly to the top case 2 Peel off the four pads of the flex cable from the support plate 3 Release the flex cable from the PCA Reassembly Notes Position the four pads using the bumps on the support plate Check the feel and operation of all four click buttons Caution Do not press on the round switches on the four pads Press next to the switches Touch Pad Support Assembly Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 Remove the two scre
85. r Remove any RAM boards and retry If power status light does not turn on reprogram BIOS replace DC DC PCA replace motherboard If power status light turns on but display remains off try external monitor If monitor shows successful boot replace LCD module If monitor shows activity but BIOS does not complete replace CPU module If monitor is blank replace VGA PCA replace CPU module replace motherboard If power status light and display turn on BIOS completes but OS does not start from hard disk or from floppy drive replace CPU module then motherboard If OS starts from floppy drive reload hard drive replace hard drive Does not boot on battery boots on ac Check battery level on battery LEDs Check battery contacts If available try another battery Battery or contacts DC DC PCA Motherboard Does not boot from floppy drive Check floppy drive contacts Try using alternate connection with or without floppy cable Check boot order in BIOS Setup Check that floppy boot is enabled in BIOS Setup Floppy drive or contacts Floppy cable Motherboard Error message such as Invalid system disk or Auto IDE error Check for a disk in floppy drive Remove and reinsert hard drive Check boot order in BIOS Setup Hard drive contacts Hard drive If unit boots from floppy drive check for corrupt files on ha
86. r end of table 9007h CD ROM Tests 9008h 0A00h Insert a CD in the drive 9009h Do not run this test in Windows For the one 0A01h Rerun the test Replace the CD ROM drive un aa ee a Gel the two 7 unit test make sure the orts on the 0A02h No repair Automatic close not supported reflector and test le are lined up 0A03h Insert a different CD in the drive Check the replace the IR PCA replace the motherboard connectors on the CD ROM drive and r e Rerun the test For the two unit test make sure motherooard Replace the CDROM drive the IR ports on the reflector and test computers 0A04h Insert a different CD in the drive Check the are lined up Replace the IR PCA replace the connectors on the CD ROM drive and motherboard motherboard Replac the SDEROM drive Rerun the test Make sure the IR ports on the 0A05h Insert a computer CD in the drive reflector and test computers are lined up 0A06h Insert an audio CD in the drive Restart the reflector unit Replace the IR PCA replace the motherboard USB Tests 1301h Reprogram the BIOS IC Replace the BIOS IC Replace the motherboard 3 16 Troubleshooting and Diagnostics HP OmniBook 4100 Power On Self Test Note If Quiet Boot is enabled in BIOS Setup the default setting press ESC during boot to see POST messages The POST Power On Self Test is a series of initialization routines and diagnostic tests that the system BIOS runs when the computer bo
87. rd drive reload hard drive replace hard drive HP OmniBook 4100 Troubleshooting and Diagnostics 3 5 Symptom Sluggish startup or shutdown Call Center Suggestions Run ScanDisk and Disk Defragmenter to check and optimize the hard drive Delete temporary and unneeded files Repair Center Likely Causes Repair Center Comments Use same suggestions shown at left Password has been forgotten Power Battery Short battery operating time Verify proper ownership then follow the removal procedure with the owner and log the appropriate data see page 5 1 Turn down display brightness Check power management settings in BIOS Setup Try the default settings Inform user that certain applications can cause excess power usage User can get power monitor from www intel com and monitor CPU load Heavy modem use can affect battery operating time Battery Motherboard The user must call Technical Support and provide proof of ownership Password removal is restricted to certain sites See page 5 1 Battery capacity often decreases after a year or more Does not run on battery empty battery indication Battery does not charge Check battery contacts If available try another battery Check the power source Check battery contacts If available try another battery and ac adapter Check for high ambient temperature and blocked air vents Batt
88. rror 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 F1 to resume lt F2 gt to Setup lt F3 gt for previous Displayed after any recoverable error message Press lt F1 gt to start the boot process or lt F2 gt to enter Setup and change the settings Press lt F3 gt 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 lt F2 gt to enter Setup Optional message displayed during POST PS 2 Mouse PS 2 mouse identified 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 indicating released segments of the BIOS which can be reclaimed by a virtual memory manager Video BIOS shadowed Video BIOS copied to shadow RAM HP OmniBook 4100 Troubleshooting and Diagnostics 3 19 Sycard PCCtest 450 CardBus Card Optional The PCCtest 450 CardBus Card version 1 05 available from Sycard Technology is an optional diagnostic tool It is the only recommended tool that tests the functionality of the PCMCIA slots It is a Type II CardBus Card that works with compatible test software to exercise PCMCIA functions See the Sycard Technology website http www sycard com The PCCtest 450 product conta
89. s from the bottom case 3 Insert your small finger into the PCMCIA opening and push up the top of the keyboard or you can lift it from above using a thin flat blade screwdriver After lifting the back edge slightly slide the keyboard toward the back until the front left corner is free 4 With the display tilted only slightly back lift the front of the keyboard and lean it back against the display Be careful not to scratch the display or pull on the cables 5 Release the pointing stick flex cable from the VGA PCA 6 Release the keyboard flex cable from the VGA PCA Pointing stick cap Keyboard and pointing stick flex cables Strip cover Figure 2 5 Removing the Keyboard 2 8 Removal and Replacement HP OmniBook 4100 Reassembly Notes Caution After connecting the keyboard and pointing stick flex cables lean the keyboard forward and tuck the excess length of the keyboard flex cable under the strip cover behind the keyboard If a stiffener tab is present on the larger cable make sure its free end lays toward the front of the case so the tab is not under the strip cover Check the cable again after lowering the keyboard into ts final position Hint On the bottom case the holes for the keyboard screws are marked by K The hole recesses have flat bottoms for the 16 mm T head screws not tapered as for longer flathead screws HP OmniBo
90. s password protects BIOS Setup settings l Boot Sets whether a user password is required when the computer Enabled boots Resume If boot security is enabled sets whether a user password is Enabled required when resuming from a suspended state Undock If boot security is enabled sets whether a user password is Disabled required when undocking the OmniBook Hard Disk Drive Lock If boot security is enabled sets whether a password is stored Disabled on the hard disk Secures data on the disk if the disk is moved to another computer Floppy Boot Sets whether the floppy drive is a boot device Enabled Power Menu _ Default Power Management Mode Disables time outs selects a combination of time outs or Max Power allows customized time outs Savings Smart CPU Mode Standby Time out Suspend Time out Enables automatic CPU power savings Absence of keyboard Off mouse and hard disk activity could cause slower CPU response Sets the period of inactivity after which the computer goes from On to Standby power mode Sets the period of inactivity after which the computer goes from Standby to Suspend power mode Skips Standby mode if that time out is disabled 2 minutes 4 minutes Hibernate Time out Hard Disk Time out Sets whether the computer goes from Suspend to Hibernate 4 hours power mode after the indicated period of inactivity Skips Suspend mode if that time out is disabled
91. sic and Advanced 3 12 Figure 3 3 Serial and Parallel Loopback Connectors Wo 3 14 Fis re 34 DMI Components eet inna ses denne Bean RE NN an RB akan AE en 3 22 Figure 4 1 Exploded VIEW data oido nioi Re nana manah aah NEREA tl tuntunan 4 2 Figure 4 2 Display Components mengusahakan ena apena no eet 4 5 Figure 4 3 Motherboard Components o oooooWooWoW oma 4 6 Tables Table 1 1 OmniBook 4100 Models AA 1 1 Table 1 2 Product Comparisons s5 ea ea Dee ea ae ea Soins NG Main Et 1 3 Table 1 3 Actiyating Power Modes Wati mein ments iseslskshn besten 1 4 Table 1 4 Main Status Lights LED Strip Cable AA 1 5 Table 1 5 Keyboard Status Lights VGA PCA cocoroooooooWoWoW mna 1 5 Table 1 6 Fnr Hot Keys nun a ee He a bana Hain ER aa ia 1 6 Table 1 7 System InterrUpis ondaa dadas 1 7 Fable 1 8 S y Stemi MeMOTYy misil enam asp kl iio 1 7 Table 1 9 System Input Output Addresses 100 3FF ooooWoWorooooWoWoom naa 1 8 Fable 1 10 DMA Channels ui iodo a 1 8 Table 1 11 OMmniB60 amp 100 Specifications initial 1 9 Table 1 12 OmniBook 4100 Accessories oocooconcconnonennennananonannnenacnnnonnonnonac noonnonnonacnnornnonnenac n concerns 1 11 Table 1 13 Functional St UE 1 13 Table 2 1 Removal Cross Reference sunnah a 2 1 Table 2 2 Required Equipment utente ee in BR 2 2 Table 2 3 Recommended Screw TOTGUES oooroo oomoWoo nana 2 2 Table 2 4 RAM Board Replacement Part Numbers oooo o
92. them in improperly removing a password and opening a unit HP OmniBook 4100 Reference Information 5 1 Hewlett Packard Display Quality Statement TFT display manufacturing is a high precision but imperfect technology and manufacturers cannot currently produce large displays that are cosmetically perfect Most if not all TFT displays will exhibit some level of cosmetic imperfection 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 HP OmniBook TFT displays meet or exceed all TFT manufacturer s standards for cosmetic guality of TFT displays HP does not warrant that the displays will be free of cosmetic imperfections TFT displays may have a small number of cosmetic imperfections and still conform to the display manufacturer s cosmetic guality specifications Here are some guidelines to use in determining what action to take on customers complaints of cosmetic imperfections in their TFT displays 1 The unit should be viewed in the customer s normal operating condition This means if the customer uses the unit predominately in DOS in Windows or in some other application or combination of applications that is where you should make the determination Self test is not a normal operating condition and is not a sufficient tool t
93. therboard 0079h Replace the motherboard 0170h Replace the motherboard 0083h Replace the BIOS IC Replace the 0172h 0086h motherboard For 01FFFFFFh and below replace the 0087h Replace the motherboard motherboard For 02000000h and above 0088h Replace the BIOS IC replace the RAM board each 01000000h represents 16MB 3 14 Troubleshooting and Diagnostics HP OmniBook 4100 0181h 0182h Replace the CPU module Make sure that another application is not using all extended memory allocated by HIMEM SYS 0183h No extended memory Check installation of the RAM board Replace the motherboard 0190h For 01FFFFFFh and below replace the 01A0h motherboard For 02000000h and above replace the RAM board each 01000000h represents 16MB Hard Disk Tests 0201h Replace the hard disk Replace the motherboard 0202h Rerun the test If error persists replace the 0204h hard disk 0205h Replace the motherboard 0207h Run BIOS Setup and check the hard disk type Check internal and external hard disk connectors and motherboard connector Replace the hard disk 0208h Transient DMA error Rerun the test 0209h 020Ah Rerun the test Run SCANDISK or equivalent 0211h 0220h Replace the motherboard 0240h Replace the hard disk Replace the motherboard 0280h Check internal and external hard disk connectors and motherboard connector Replace the hard dis
94. tions carefully You can download it from the OmniBook website see page vi Required Equipment e Small Phillips screwdriver e IC insertion removal tool Removal Procedure 1 Unplug the ac adapter if present and remove the battery 2 On the bottom of the unit remove the two screws from the RAM BIOS cover and remove the cover 3 Use an IC insertion removal tool to remove the BIOS IC from its socket S o ne IC insertion removal tool Figure 2 12 Removing the BIOS IC 2 20 Removal and Replacement HP OmniBook 4100 Reassembly Notes Caution e Replace the BIOS IC with one that is compatible with the CPU module see the table on page 4 3 e Align the IC with the slot in the socket The IC is keyed to fit correctly If you insert the IC backward the IC or motherboard could be damaged e Press down firmly on the IC with your thumb to ensure a proper connection e Reprogram the IC by programming the BIOS see the note above Removing Other Components HP Authorized Service Providers Only Required Equipment e Small Phillips screwdriver e Pointed knife or probe for display components e 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 2 Remove the additional assemblies and follow the special steps indicated in the tables below Components are separated into these groups e Display comp
95. uipment e Small Phillips screwdriver Removal Procedure 1 Unplug the ac adapter if present and remove the battery 2 Remove these additional assemblies e Floppy module or other module page 2 3 e Hard disk drive page 2 5 e Keyboard page 2 8 e Display assembly and strip cover page 2 10 3 On each of the front corners of the case do the following e Slide the module latch slider forward on the side of the case e Slide the speaker cover forward slightly and swing it outward about 2 cm then pull firmly until it unsnaps from the case The slider may come off of the module latch 4 Unplug the touch pad flex cable from the VGA PCA 5 On the bottom of the unit remove the seven unmarked case screws from the front half of the case 6 Turn the unit face up and lift off the top case 2 14 Removal and Replacement HP OmniBook 4100 Top case Se gt Touch pad flex cable Touch pad support N Speaker cover left and right Module latch slider Screw M2 5x16mm 2 Figure 2 8 Removing the Top Case Reassembly Notes Note Installing a New Top Case Transfer the touch pad support assembly from the old top case to the new one e Before installing the screws make sure the front edge of the plate is held by the four plastic tabs on the top case o Check the click buttons make sure you can feel the click in all four buttons After assembly
96. ule or Battery Figure 1 4 Replaceable Module Diagram 1 12 Product Information HP OmniBook 4100 Table 1 13 Functional Structure PCMCIA socket Bootup CPU module Main processor MMO Motherboard Primary system circuitry BIOS IC Code for basic system functions Floppy disk module First source of disk based startup code Hard disk drive Second source of disk based startup code Processor CPU module Main processor numeric data processor L1 and L2 cache Motherboard Primary system circuitry Memory Motherboard First 32 MB of RAM RAM board Optional additional RAM VGA PCA Video RAM Power Battery Power storage Motherboard AC adapter socket power switch lid switch system off switch power supply DC DC PCA Power control circuitry AC adapter AC to dc converter Display Motherboard PCMCIA zoomed video controller LCD module Display output backlight Inverter PCA Power converter for backlight LVDS PCA Display drivers signal processing Low Voltage Differential Signaling VGA PCA Display graphics controller video RAM Hard disk Motherboard Hard disk controller Hard disk drive Hard disk mechanism Floppy drive Motherboard Floppy disk controller Floppy disk module Floppy disk mechanism Keyboard Motherboard Keyboard controller BIOS IC Keyboard BIOS Keyboard Key switches Pointer Motherboard Keyboard controller pointing stick controller PS
97. urn on and restores previous session and network connections if plug and play Off No power stopped state Everything is shut down battery continues charging if ac adapter is connected Computer reboots at turn on and restores network connections Press blue power button for about 1 second close the lid click Start Suspend Windows 95 allow time out Press Fn F12 allow time out Click Start Shut Down Press and hold the blue power button until the display shuts down Does not suspend if Video Display Device set to Both in BIOS Setup Press blue power button to display the current session Instant On Press blue power button to restart and restore the previous session Press blue power button to restart with a new session 1 4 Product Information HP OmniBook 4100 Checking the Status of the OmniBook The main OmniBook status lights located at the front right edge of the display bezel at the top of the display indicate power status and drive activity These lights are on the LED strip cable Table 1 4 Main Status Lights LED Strip Cable d Meaning O Power mode Steady green light OmniBook is running On mode Steady orange light OmniBook is suspended Suspend or Standby mode No light OmniBook is off Off or Hibernate mode Alternating green and orange light OmniBook failed when resuming O Hard disk drive Green light OmniBook is accessing the hard
98. ut 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 processing a graphic image or waiting for broken network connections to time out Run BIOS Setup and try turning off smart CPU mode Check that ac power is Heatsink damage CPU module Motherboard Thermal connections Docking product Symptom Call Center Repair Center Repair Center Suggestions Likely Causes Comments AC adapter Does not powerthe Try another ac adapter if AC adapter The ac adapter is not OmniBook available DC DC PCA repairable it must be Motherboard replaced Miscellaneous Clock loses time Plug in ac adapter for 24 Motherboard Charge backup battery hours to charge backup battery Computer gets hot Itis normal for the computer Fan Check the fan Check for proper contact between CPU and its top plate and between heatpipe and heatsink If computer slows after a period of continuous activity check thermal connections and parts Test the corresponding problems connected Motherboard OmniBook ports while Check settings in BIOS undocked Setup The port replicator and mini Try using the corresponding dock are not repairable they OmniBook port must be exchanged The docking system is repairable see its service manual Can not boot from Check that the CD is CD ROM drive The CD ROM dri
99. ve is not CD in CD ROM bootable repairable it must be drive Check ESC key timing during exchanged boot or check boot order in BIOS Setup 3 10 Troubleshooting and Diagnostics HP OmniBook 4100 Symptom Call Center Repair Center Repair Center Suggestions Likely Causes Comments General plug in Check module contacts Plug in module or Plug in modules are not module problems Push system off button contacts repairable they must be Motherboard exchanged HP OmniBook 4100 Troubleshooting and Diagnostics 3 11 Diagnostic Tools This section describes the following diagnostic tools you can use for troubleshooting and repairing the OmniBook e OmniBook hardware diagnostic program below e Power on self test page 3 17 e Sycard PCCtest 450 PC Card page 3 20 e Desktop Management Interface page 3 21 e BIOS Setup utility page 3 23 OmniBook Diagnostic Program The OmniBook hardware diagnostic program provides two levels of testing e User level testing using the basic hardware test e Advanced testing using the individual hardware tests 114 Uma Dork 114 Diolais e Safwrt Jer Int Lu cre can Myatrcad Ir OMMIBOOK eier AAN EE Du HT a rr rs Ir real Con dal las Pest lire er Kas Lome ust ler SAS Ja il on wl PI el Jarak er bese M fade frz ELELEE Was int FRITTE ESR FST 1257 taile onrct oe cf mia wk Figure 3 2 OmniBook Diagnostic Screens Basic and Advanced The tests are designed
100. ws holding the support assembly to the top case Reassembly Notes Check the feel and operation of all four click buttons Table 2 10 Removing Bottom Case Components Component Removal Procedures Additional Steps See figures on pages 4 2 4 6 Air Vent Cover Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 1 Remove the screw from the plastic heat exchange cover and remove the cover 2 Lift off the fan and move it aside 3 Remove the screw from the heatsink cover and remove the cover 4 Remove the screws from the CPU top plate and remove the plate 5 Remove the screw holding the left frame to the motherboard and lift off the frame 6 Lift out the air vent cover Audio Jack Cover Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 1 Remove the screw from the IR PCA and move the PCA aside 2 Remove the two screws from the right frame and remove the frame 3 Lift the front right corner of the motherboard slightly and remove the audio jack cover Audio Jack PCA Plug in module page 2 3 Hard drive page 2 5 Keyboard page 2 8 Display page 2 10 Top case page 2 14 1 Remove the screw from the IR PCA and move the PCA aside 2 Remove the two screws from the right frame and remove the frame Unplug the DC DC PCA 4 Unp

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