HP OmniBook 900 User Manual Page 1

®HP OmniBook 900Service Manual

1-4 Product Information HP OmniBook 900Turning the OmniBook On and Off • On. Press the blue power button to turn on the OmniBook. • Standby. The di

HP OmniBook 900 Product Information 1-5Checking the Status of the OmniBookThe main OmniBook status lights, located at the front-right edge of the disp

1-6 Product Information HP OmniBook 900Using Fn Hot KeysThe Fn key combined with another key is a hot key—a shortcut key sequence for various systemco

HP OmniBook 900 Product Information 1-7System ResourcesThe tables in this section show typical resource usage as set up by the OmniBook BIOS. Plug-and

1-8 Product Information HP OmniBook 900 Table 1-9. System Input/Output Addresses (100-3FF)120-127 Audio (OmniBook 900† only)170-177 Internal CD-ROM d

HP OmniBook 900 Product Information 1-9SpecificationsThe following tables list descriptions for the OmniBook and its accessories. Table 1-11. OmniBoo

1-10 Product Information HP OmniBook 900Input/OutputFDD/IDE interface for external module bay.Universal serial bus (USB).9-pin, 115,200-bps serial (16

HP OmniBook 900 Product Information 1-11 Table 1-12. OmniBook 900 AccessoriesAccessory Description OmniBook Compatibility900B 900† 4150 2100/7100Memo

1-12 Product Information HP OmniBook 900Accessory Description OmniBook Compatibility900B 900† 4150 2100/7100F1761B MPEG DVD decoder PC Card•• •TCM3C58

HP OmniBook 900 Product Information 1-13Internal DesignThe motherboard PCA is the central component of the OmniBook design. It plays a role in virtual

ii HP OmniBook 900NoticeIn a continuing effort to improve the quality of our products, technical and environmental informationin this document is subj

1-14 Product Information HP OmniBook 900 Table 1-13. Functional StructureBootupCPU moduleMotherboardBIOS ICFloppy disk moduleHard disk driveMain proc

HP OmniBook 900 Removal and Replacement 2-12 Removal and ReplacementThis chapter tells you how to remove and replace the following components and asse

2-2 Removal and Replacement HP OmniBook 900 Notes Reassembly steps are the reverse of the removal steps. Reassembly notes are included at theend of ea

HP OmniBook 900 Removal and Replacement 2-3Removing the Battery(User-Replaceable)Required Equipment • None.Removal Procedure 1. Unplug the ac adapt

2-4 Removal and Replacement HP OmniBook 900Reassembly Notes • If you are installing a new battery, first snap the correct panel onto the front of th

HP OmniBook 900 Removal and Replacement 2-5Removing a RAM Board(User-Replaceable) Table 2-4. RAM Board Replacement Part NumbersDescription Part Numbe

2-6 Removal and Replacement HP OmniBook 900 Figure 2-3. Removing a RAM BoardReassembly Notes • Insert the RAM board int

HP OmniBook 900 Removal and Replacement 2-7Removal Procedure 1. Unplug the ac adapter, if present, and remove the battery. 2. Turn the unit bottom s

2-8 Removal and Replacement HP OmniBook 900Reassembly Notes Caution Do not cover the vent hole in the top surface of the hard drive. If you cover the

HP OmniBook 900 Removal and Replacement 2-9Replacing Small Parts(User-Replaceable)The following small parts are user-replaceable. Table 2-6. Replacin

HP OmniBook 900 iiiContents1. Product Information...1-1

2-10 Removal and Replacement HP OmniBook 900Removing the LCD Module(HP Authorized Service Providers Only) Exchange Information When returning a bad LC

HP OmniBook 900 Removal and Replacement 2-11 7. For a 12-inch display, remove the LCD module. a. Remove the four screws holding the LCD module. b.

2-12 Removal and Replacement HP OmniBook 900Reassembly Notes • For the 12-inch display, make sure the LCD module and flex cable have small foam pads

HP OmniBook 900 Removal and Replacement 2-13 Figure 2-7. Removing the KeyboardReassembly Notes • To connect the flex cables, lay the keyboard ups

2-14 Removal and Replacement HP OmniBook 900Removing the CPU Module(HP Authorized Service Providers Only)Required Equipment • Small Phillips screwdr

HP OmniBook 900 Removal and Replacement 2-15 Caution: OmniBook 900B Follow these precautions to prevent damage to the CPU connector: • Use only a 4.

2-16 Removal and Replacement HP OmniBook 900 Caution: OmniBook 900B Follow these precautions while installing the CPU module to prevent damage to the

HP OmniBook 900 Removal and Replacement 2-17 Figure 2-9. Removing the Display AssemblyReassembly Notes • For a 12-inch display, the flex cable wr

2-18 Removal and Replacement HP OmniBook 900Removing the Top Case(HP Authorized Service Providers Only)Required Equipment • Small Phillips screwdriv

HP OmniBook 900 Removal and Replacement 2-19 Figure 2-10. Removing the Top CaseReassembly Notes Note: Installing a New Top Case • Transfer the fo

iv HP OmniBook 900FiguresFigure 1-1. OmniBook - Front View...

2-20 Removal and Replacement HP OmniBook 900 Note For an OmniBook 900 with a 12-inch display and serial number before TW92500000, if the topcase has b

HP OmniBook 900 Removal and Replacement 2-21 10. Lift the front of the motherboard about 7 cm (3 inches), then slide the motherboard forward untilit c

2-22 Removal and Replacement HP OmniBook 900Reassembly Notes Note: Installing a New Motherboard • If a RAM board is present, transfer it from the ol

HP OmniBook 900 Removal and Replacement 2-23 Figure 2-12. Installing PCMCIA DoorsStoring the Serial Number and Keyboard Layout Electronically 1. E

2-24 Removal and Replacement HP OmniBook 900 2. Carefully cut out the new serial label just inside the border and place it into the inner recess in t

HP OmniBook 900 Removal and Replacement 2-25 Figure 2-14. Removing the BIOS ICReassembly Notes Caution • Align the IC with the slot in the socket.

2-26 Removal and Replacement HP OmniBook 900Removing Other Components(HP Authorized Service Providers Only)Required Equipment • Small Phillips screw

HP OmniBook 900 Removal and Replacement 2-27 Table 2-8. Removing Display ComponentsComponent Removal Procedures Additional Steps (See figure on page

2-28 Removal and Replacement HP OmniBook 900 Table 2-9. Removing Top Case ComponentsComponent Removal Procedures Additional Steps (See figure on page

HP OmniBook 900 Removal and Replacement 2-29Component Removal Procedures Additional Steps (See figure on page 4-2)HeatsinkKeyboard (page 2-12). Remove

HP OmniBook 900 vTable 3-4. POST Terminal-Error Beep Codes ... 3-18Tabl

2-30 Removal and Replacement HP OmniBook 900Component Removal Procedures Additional Steps (See figure on page 4-2)Support, hinge (right)Hard drive (pa

HP OmniBook 900 Troubleshooting and Diagnostics 3-13 Troubleshooting and DiagnosticsThis chapter includes troubleshooting and diagnostic information f

3-2 Troubleshooting and Diagnostics HP OmniBook 900TroubleshootingThe suggestions in this section can help isolate and repair the cause of a problem.

HP OmniBook 900 Troubleshooting and Diagnostics 3-3 • Consider Causes. Keep in mind possible causes for each problem. Use the diagnostic tools andtr

3-4 Troubleshooting and Diagnostics HP OmniBook 900Suggestions for Troubleshooting Table 3-1. Scope of Diagnostic ToolsFunction OmniBookDiagnosticsPo

HP OmniBook 900 Troubleshooting and Diagnostics 3-5If you can’t isolate the cause of a problem using the diagnostic tools, you can use the suggestions

3-6 Troubleshooting and Diagnostics HP OmniBook 900Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsSluggish startup or

HP OmniBook 900 Troubleshooting and Diagnostics 3-7Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsWhite display Adjus

3-8 Troubleshooting and Diagnostics HP OmniBook 900Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsKeyboardSome or all

HP OmniBook 900 Troubleshooting and Diagnostics 3-9Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsAudioSound does not

vi HP OmniBook 900IntroductionThis service manual provides reference information for the HP OmniBook 900. It is intended to beused by HP-authorized se

3-10 Troubleshooting and Diagnostics HP OmniBook 900Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsPCMCIAGeneral prob

HP OmniBook 900 Troubleshooting and Diagnostics 3-11Symptom Call Center:SuggestionsRepair Center:Likely CausesRepair Center:CommentsComputer pausesor

3-12 Troubleshooting and Diagnostics HP OmniBook 900Diagnostic ToolsThis section describes the following diagnostic tools you can use for troubleshoot

HP OmniBook 900 Troubleshooting and Diagnostics 3-13Running the Diagnostic Test 1. If you’re using a diagnostic floppy disk, insert it in the floppy

3-14 Troubleshooting and Diagnostics HP OmniBook 900Note that the serial and parallel port tests are more thorough if you connect a loop-back connecto

HP OmniBook 900 Troubleshooting and Diagnostics 3-15Code Suggestions0180h For 01FFFFFFh (OB900†) or 03FFFFFFh(OB900B) and below, replace the motherboa

3-16 Troubleshooting and Diagnostics HP OmniBook 900Code Suggestions03CCh Run BIOS Setup and check the floppy drivetype. Rerun the test with another f

HP OmniBook 900 Troubleshooting and Diagnostics 3-17Code Suggestions1202h -1203hReplace the motherboard.1205h -1206hInsert a different PC Card. Replac

3-18 Troubleshooting and Diagnostics HP OmniBook 900Power-On Self-Test Note If Quiet Boot is enabled in BIOS Setup (the default setting), press ESC du

HP OmniBook 900 Troubleshooting and Diagnostics 3-19Message Description0211 Keyboard errorKeyboard not working.0212 Keyboard Controller FailedKeyboard

HP OmniBook 900 Product Information 1-11 Product InformationThe HP OmniBook 900 provides desktop-quality performance and expandability in a highly por

3-20 Troubleshooting and Diagnostics HP OmniBook 900Message DescriptionEntering SETUP...Starting Setup programFailing Bits: nnnnThe hex number nnnn is

HP OmniBook 900 Troubleshooting and Diagnostics 3-21Sycard PCCtest 450 CardBus Card (Optional)The PCCtest 450 CardBus Card (version 1.05) available fr

3-22 Troubleshooting and Diagnostics HP OmniBook 900Desktop Management Interface (DMI)The Desktop Management Interface (DMI) is an industry-standard p

HP OmniBook 900 Troubleshooting and Diagnostics 3-23manufacturers, including Hewlett-Packard, to define a standard method of managing the physical and

3-24 Troubleshooting and Diagnostics HP OmniBook 900BIOS Setup UtilityThe BIOS Setup utility provides access to basic configuration settings. It is in

HP OmniBook 900 Troubleshooting and Diagnostics 3-25System Devices Menu DefaultPS/2 Pointing Devices Sets whether internal pointing devices are automa

3-26 Troubleshooting and Diagnostics HP OmniBook 900Internal Hard Disk DriveLockIf boot security is enabled, sets whether a password is storedon the h

HP OmniBook 900 Replaceable Parts 4-14 Replaceable PartsThis chapter contains an exploded view of the OmniBook and the following lists of parts: • O

4-2 Replaceable Parts HP OmniBook 900 Figure 4-1. Exploded ViewDisplay components(see page 4-5).

HP OmniBook 900 Replaceable Parts 4-3 Table 4-1. OmniBook Replaceable PartsDescription Part Number Exchange User OmniBookPart Number Repl. 900B 900†A

1-2 Product Information HP OmniBook 900 Table 1-2. Product ComparisonsOmniBook 900 OmniBook 7150 OmniBook 4150 OmniBook 2100Processor *Intel Pentium

4-4 Replaceable Parts HP OmniBook 900Description Part Number Exchange User OmniBookPart Number Repl. 900B 900†18 Fan (13") F1770-60917•Foot F1711

HP OmniBook 900 Replaceable Parts 4-5Description Part Number Exchange User OmniBookPart Number Repl. 900B 900†34 Speaker (13") F1770-60916•41 Spr

4-6 Replaceable Parts HP OmniBook 900 Figure 4-2. Display ComponentsNote: 12-inch displayshown. For a 13-inchdisplay, the flex cableand mountings di

HP OmniBook 900 Replaceable Parts 4-7 Table 4-2. Assembly-Component BreakdownAssembly Part Number Components Part Numbers Incl.Case, bottom (all) Doo

4-8 Replaceable Parts HP OmniBook 900Description Part Number Exchange User OmniBookPart Number Repl. 900B 900†Monitor stand (short) F1453-60901 YesMon

HP OmniBook 900 Replaceable Parts 4-9 Table 4-4. Part Number ReferencePart Number Exchange Description User OmniBookPart Number Repl. 900B 900†0950-2

4-10 Replaceable Parts HP OmniBook 900Part Number Exchange Description User OmniBookPart Number Repl. 900B 900†F1451-60901 Port replicator YesF1452-60

HP OmniBook 900 Replaceable Parts 4-11Part Number Exchange Description User OmniBookPart Number Repl. 900B 900†F1711-60934 Screw, M1.4×4mm (tapping)••

4-12 Replaceable Parts HP OmniBook 900Part Number Exchange Description User OmniBookPart Number Repl. 900B 900†F1769-60907 Fan (12")••F1769-60908

HP OmniBook 900 Replaceable Parts 4-13Part Number Exchange Description User OmniBookPart Number Repl. 900B 900†F1770-60917 Fan (13")•F1770-60918

HP OmniBook 900 Product Information 1-3Features and OperationThe following three illustrations point out the main external features of the computer. T

HP OmniBook 900 Reference Information 5-15 Reference InformationThis chapter includes the following reference information: • Password removal policy

5-2 Reference Information HP OmniBook 900Hewlett-Packard Display Quality StatementTFT display manufacturing is a high precision but imperfect technolo

HP OmniBook 900 Reference Information 5-3 Table 5-1. OmniBook 900 LCD Guidelines (TFT)Type of Imperfection Imperfections Not AllowedIBM 12" TFT,

5-4 Reference Information HP OmniBook 900Type of Imperfection Imperfections Not AllowedUnipac 13" TFT, XGAElectrical Imperfections:Bright dots (a

HP OmniBook 900 Reference Information 5-5Obsolete PartsObsolete repair parts are summarized in the following table. Table 5-2. Obsolete Repair PartsO

1. Product Information2. Removal and Replacement3. Troubleshooting and Diagnostics4. Replaceable Parts5. Reference InformationPart NumberF1770-90