HP 4000CT, 4000C Service Manual

HP OmniBook 4000C/CT

Familiarization Guide

This guide is for experienced HP Response Center personnel, CEs, and reseller technicians, such as personnel who have already completed the HP Vectra PC family training course, or equivalent, and have at least six months of experience servicing the HP Vectra PCs.

It is a self-paced guide designed to train you to install, configure, and repair the OmniBook Notebook PC. You can follow it without having any equipment available.

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.

Last revision date: 09/10/96 8:47 PM Hewlett-Packard makes no warranty of any kind with regard to this

material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. HewlettPackard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by HewlettPackard.

As an ENERGY STAR partner, HP has determined that these products meet the ENERGY STAR guidelines for energy efficiency.

All Certifications may not be completed at product introduction. Please 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.

ENERGY STAR is a service mark of the U.S. Environmental Protection Agency. IBM and OS/2 are registered trademarks of International Business Machines Corporation. Pentium and the Intel Inside logo are registered trademarks of Intel Corporation. Photo CD is a registered trademark of Kodak Corporation. Microsoft, MS-DOS, and Windows are registered trademarks, and the Genuine Microsoft Products logo is a trademark of Microsoft Corporation in the United States of America and in other countries. Sound Blaster is a trademark of Creative Technology Ltd.

without prior written permission is prohibited except as allowed under copyright laws.

Printed in U.S.A. F1081-90051

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Table of Contents

Table of Figures.................................................................................................5

OmniBook Product Comparisons .......................................................................6

Size Closed...................................................................................................6

Weight..........................................................................................................6

OmniBook 4000 Series: Product Features........................................................10

Description..................................................................................................10

Models........................................................................................................10

Accessories.................................................................................................11

What comes in the box ...............................................................................11

Microprocessor............................................................................................11

Bus Architecture..........................................................................................11

Memory.......................................................................................................12

Mass storage...............................................................................................12

Flexible disk drive.......................................................................................12

Built-in I/O...................................................................................................12

Display/video ..............................................................................................13

TFT Display Quality ....................................................................................13

User interface..............................................................................................14

Power..........................................................................................................14

External battery charger..............................................................................15

Automobile adapter.....................................................................................15

NiMH battery pack.......................................................................................15

AC adapter..................................................................................................15

Accessory Slots...........................................................................................15

Audio Systems............................................................................................15

Operating environment................................................................................16

Storage environment...................................................................................16

Environmental Testing ................................................................................16

BIOS...........................................................................................................16

Software and Operating System ..................................................................16

Supported Operating Systems.....................................................................17

Security.......................................................................................................17

Password Decode .......................................................................................17

Password Decode Policy.............................................................................18

Notebook Hardware Structure ..........................................................................19

Field Replaceable Assemblies.....................................................................19

Installing memory (End User Replaceable)..................................................19

Battery Module and Floppy Disk Drive Module (End User Replaceable)......20

Hard Disk Drive (End User Replaceable).....................................................21

Small parts (End User Replaceable)............................................................22

Icon Assembly and Display Module (HP Authorized Support Providers Only)23 Palm Rest Assembly and Track Ball Assembly (HP Authorized Support

Providers Only)...........................................................................................26

Keyboard Assembly (HP Authorized Support Providers Only) .....................28

Power Board (PCA Assy PK-DC) (HP Authorized Support Providers Only) .30 Upper Case, Sound Board (PCB Assy PK-688/PK-AUD), and PCA Display

Connect PK-LSP (HP Authorized Support Providers Only)..........................31

Keyboard Grounding Plate, CPU, and System Board (HP Authorized Service

Providers Only)...........................................................................................33

Enhanced Port Replicator (Exchange Assembly).........................................35

Troubleshooting Tips: ..................................................................................35

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Configuration and Setup...................................................................................36

Main Configuration Screen..........................................................................36

Power Screen..............................................................................................37

Power Configuration....................................................................................38

Power Conservation Mode ..........................................................................38

Power Defaults............................................................................................39

System Configuration ..................................................................................40

Input/Output Configuration..........................................................................41

Printer port..................................................................................................41

Disk Configuration.......................................................................................42

Audio Configuration.....................................................................................43

Troubleshooting and Repair .............................................................................44

Known Hardware Issues..............................................................................44

OmniBook Self-Test ....................................................................................44

First POST: BEEP CODES........................................................................44

Last POST: DISPLAY CODES...................................................................47

PhoenixBIOS POST Messages (Power On Self Test) .................................47

Appendix A: Part Numbers...............................................................................50

Appendix B: Additional Resources....................................................................52

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Table of Figures

Figure 1 - Memory Doors, Modules, and Slots ..............................................................19

Figure 2 - Floppy Drive and Battery..............................................................................20

Figure 3 - Hard Disk Drive............................................................................................21

Figure 4 - Display Screws.............................................................................................23

Figure 5 - Icon Assembly..............................................................................................24

Figure 6 - Display Removal ..........................................................................................25

Figure 7 - Lower Case Screws......................................................................................26

Figure 8 - Palm Rest and Track Ball Assemblies ..........................................................27

Figure 9 - Keyboard and Sound Board..........................................................................29

Figure 10 - Upper Case and Display Connect ...............................................................32

Figure 11 - System Board and Keyboard Grounding Plate............................................34

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OmniBook Product Comparisons

HP OmniBook 5000 HP OmniBook 4000 HP OmniBook 600

Size Closed

Weight

Processor

Bus Architecture Cache

Display

29.5 x 22.6 x 4.9 cm

(11.6 x 8.9 x 1.93 in)

3.08-3.18 kg (6.8-7 lb) DSTN (C)

75-, 90-, or 120-MHz Intel Pentium processor

32-bit PCI bus ISA bus ISA bus some models include:

256-KB external L2 cache

10.4-inch diagonal: VGA (C/CT): 640 x

480 x 65,536 colors (DSTN or TFT)

SVGA (CTS): 800 x 600 x 256 colors (TFT)

PCI local bus video;

1.5-MB video RAM SVGA-out supports

VGA & SVGA monitors (up to 1024 x 768 x 256 colors)

29.5 x 22.6 x 4.9 cm (11.6 x 8.9 x 1.93 in)

3.13 kg (6.9 lb)

TFT (CT):

3.27 kg (7.2 lb)

50-Mhz Intel 486DX2, or 75-, 100-MHz Intel 486DX4

No L2 cache No L2 cache

10.3-diagonal DSTN (up to 256 colors) or

10.4-inch diagonal TFT (up to 65,536 colors)

VGA: 640 x 480 Local bus video; 1-MB

display RAM SVGA-out supports

VGA & SVGA monitors (up to 1024 x 768 x 256 colors)

18.49 × 28.24 × 3.99 cm (7.28 × 11.12 × 1.57 in)

1.72 kg (3.8 lb)

50- or 75-MHz Intel 486DX2

8.6-diagonal DSTN or

9.5-inch diagonal TFT 640×480 backlit color

VGA displays 64K colors from a 262K

color palette VGA-out supports VGA

and SVGA monitors (up to 1024×768×256 colors)

Accelerated local bus video with 1-MB VRAM

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Power

14.4Vdc Rechargeable Lithium-Ion or NiMH battery

Battery life (approximate with one battery): 2 to 3 hrs

Battery recharges to high level in 4 hrs using AC adapter while PC is on or off

2-minute low-battery warning

AC adapter 100 to 240 Vac (50 to 60 Hz) input; 12 Vdc, 3.3 A output

Instant-on maintains computer in ready-towork state for weeks on a full charge; returns you to your application or file instantly

14.4 Vdc rechargeable NiMH battery pack

Battery life (approximate):

3-4 hrs on DSTN DX2/50

2-3 hrs on TFT DX4/100 AC adapter 100 to 240 Vac (50 to 60 Hz) input; 21 Vdc,1.35 A output

Suspend-resume power management.

9.6 Vdc rechargeable NiMH or Lithium Ion battery

Battery life up to 3.0-3.5 hours.

Battery pack recharges to high level in less than 2 hours using AC adapter

2-minute (or less) lowbattery warning

AC adapter 100 to 240 Vac (50 to 60 Hz) input; 12 Vdc, 2.5 A output

Instant-on maintains computer in ready-towork state for months on a charge. Turn it on again, and you’re instantly back where you were.

Removable Modules

Mass Storage

RAM

Floppy disk drive (can be replaced with a second battery for double battery life)

Hard disk drive RAM Battery 540-MB, 810-MB, or

1.2-GB hard disks

8- or 16-MB Models upgradable to 64 MB 8-, 16-, or 32-MB RAM

cards

Floppy disk drive (can be replaced with a second battery for double battery life)

Hard disk drive RAM Battery 260-, 340-, 520-, or

810-MB hard disk options

4-, 8-MB, or 16-MB RAM models

upgradable to 32 MB

Hard disk drive RAM Battery

170, 260, or 340 MB hard disk drive

4-, 8-, 16- or 24-MB RAM models

upgradable to 32MB (CT) 20MB or 24MB (C).

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Audio

16-bit with Sound Blaster® and MIDI support

Stereo sound via two built-in speakers

16-bit, Sound Blastercompatible

Stereo sound via two built-in stereo speakers

Microsoft® Windows sound in CT.

Two built-in speakers (not stereo sound)

Input/Output

9-pin, 115,200 - b/s, RS-232 port

25-pin EPP and ECP parallel port

SVGA-out (up to 1024 x 768 x 256); VGA-out (640 x 480 x 65,536 colors)

115,200-baud, bidirectional infrared

Expansion bus connector

SCSI-2 port NTSC/PAL video-out

port Keyboard/mouse port Headphone/stereo-out

port

9-pin, 115,200 - b/s, RS-232 port

25-pin EPP and ECP parallel port

SVGA-out (up to 1024 x 768 x 256)

115,200 - baud, bidirectional infrared

Expansion bus connector

Keyboard/mouse port Headphone/stereo-out

port Microphone port Stereo-in port

9-pin, 115,200 - b/s, RS232 port

25-pin bidirectional parallel port

SVGA-out (up to 1024 × 768 × 256)

115,200 - baud, bidirectional infrared

Enhanced port replicator connector

Floppy drive port

Stereo-in and microphone ports

MIDI/joystick port

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Expandability

One Type III PCMCIA slot (or use as two Type II slots) with 3.3V or 5-V support

ISA-based slots, and parallel, serial,

SVGA-out (up to 1024 x 768 x 256),

keyboard, PS/2 mouse, MIDI/joystick, audio, and SCSI-2 ports

One Type III PCMCIA slot (or use as two Type II slots)

Enhanced port replicator with parallel, two serial, SVGA-out (up to 1024 x768), keyboard, PS/2 mouse, and SCSI ports; and PCMCIA slot (concurrent Type II and Type III)

One Type III PCMCIA slot (or use as two Type II slots)

External ultra-thin floppy disk drive (included with product)

Enhanced port replicator with EPP parallel, serial, VGA-out (up to 1024 ×

768), keyboard, PS/2 or Microsoft® mouse, and SCSI ports; external floppy connector; and optional HP EtherTwist LAN card slot

Pre-installed Software

Security Features

Microsoft Windows 95 or Microsoft Windows for

Workgroups 3.11 * MS-DOS® 6.22 Plug and Play BIOS HP PIM

2-level password protection

PC ID (tattooing) Kensington lock slots

Microsoft Windows for Workgroups 3.11

MS-DOS 6.2 Laplink Remote

Access Easy connection to

your desktop PC, network and desktop printers; works via cable or infrared.

User password Kensington lock slots

Microsoft Windows for Workgroups 3.11

MS-DOS 6.22 Upgrade easily to

Windows 95 Plug and Play BIOS LapLink Remote Access Appointment Book HP Financial Calculator Phone Book IrDA infrared printing

driver User password Kensington lock slots

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OmniBook 4000 Series: Product Features

Description

Models

Advanced performance with flexibility, exceptional user comfort, all-day use and easy access to peripherals.

This is a complete list of all the standard Omnibook models ever made available. Factory special options are not included in this listing. Many of these models are now obsolete.

Refer to the Hewlett-Packard Corporate Price List for cuurently available models and options.

Product Description Part

Number

HP OmniBook 4000C DX2/50MHz; 260MB Hard Drive F1081A

HP OmniBook 4000C DX2/50MHz; 340MB Hard Drive F1082A HP OmniBook 4000C DX2/50MHz; 520MB Hard Drive F1083A HP OmniBook 4000CT* DX4/75MHz; 340MB Hard Drive F1157A HP OmniBook 4000CT* DX4/75MHz; 520MB Hard Drive F1158A HP OmniBook 4000CT* DX4/75 MHz; 810MB Hard Drive F1159A HP OmniBook 4000C DX4/100MHz; 340MB Hard Drive F1086A HP OmniBook 4000C DX4/100MHz; 520MB Hard Drive F1087A HP OmniBook 4000C DX4/100MHz; 810MB Hard Drive F1096A HP OmniBook 4000CT* DX4/100MHz; 340MB Hard Drive F1088A HP OmniBook 4000CT* DX4/100MHz; 520MB Hard Drive F1089A HP OmniBook 4000CT* DX4/100MHz; 810MB Hard Drive F1097A HP OmniBook 4000CT* DX4/100MHz; 810MB Hard Drive with

16MB RAM * Indicates TFT display (Note: All others have 8-MB RAM except, F1081A with 4MB RAM and

F1160A, which has 16MB RAM)

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F1160A

Accessories Description Part

Number

4-MB RAM expansion card F1076A

8-MB RAM expansion card F1077A 16-MB RAM expansion card F1078A 260-MB Hard Disk Drive F1091A 340-MB Hard Disk Drive F1092A 520-MB Hard Disk Drive F1093A 810-MB Hard Disk Drive F1032A

3.5 inch Floppy Drive Module F1079A AC Adapter F1072A NiMH Battery Pack Module F1073A

What comes in the box

Microprocessor

External Battery Charger (Charges up to two batteries concurrently)

Automobile Adapter F1075A Enhanced Port Replicator F1090A

OmniBook 4000 mainframe Battery pack User documentation: manuals, support material, registration card Companion/utility disks AC adapter (P/N: F1072A), localized power cord Brochures for OmniBook accessories and Deskjet 320

Intel486 DX2 50-MHz Intel486 DX4 75-MHz Intel486 DX4 100-MHz

F1074A

Bus Architecture

ISA, Video local Bus

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Memory

Main Memory DX2/50 MHz, Model 260 (F1081A)

4MB RAM

Mass storage

Flexible disk drive

DX4/100 MHz, Model 810 (F1160A)

All other models Max Possible RAM 32MB Type of memory boards HP Proprietary boards, 2 user accessible slots on the

bottom case.

Expansion Memory board options

Cycle time 70ns The hard disk drive can be removed by the user for easy upgrades. The hard

drive is located on the bottom case and with the removal of one screw the hard drive can be replaced.

Hard drive manufacturer: Toshiba for all capacities

Internal 3.5 inch, 1.44-MB flexible disk drive is standard on all models. The flexible disk drive can be easily removed by the user and replaced with an additional battery pack to double battery life. This is part of the modularity features of the OmniBook 4000.

4-MB (HP # F1076A) 8-MB (HP # F1077A) 16-MB (HP # F1078A)

16MB RAM 8MB

Built-in I/O

Manufacturer: Canon (subject to change) 25 pin bi-directional ECP an EPP parallel port SVGA out (up to 1024 x 768 x 256 colors) with simultaneous

viewing 115,000-b/s bi-directional infrared port. Expansion Bus Connector for connecting to enhance port replicator (F1090A) 6-pin mini-DIN keyboard or PS/2 mouse Headphone/stereo-out port Microphone port Stereo-in port

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Display/video

The OB4000 DSTN may report the display RAM to be 1024KBs, however, it is 512KB. Later versions have corrected this. It is not a hardware problem but a reporting problem.

Display RAM is not upgradable. Display Manufacturer: Hitachi Video graphics controller chip: Western Digital 90c24 rocket chip. External video resolution (both types): Supports VGA/SVGA

external monitors with up to 1024 x 768 x 256 colors in noninterlaced mode.

Auto detection of external monitor without rebooting Note: Includes option to simultaneously display external video

and notebook display.

TFT Display Quality

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.

The HP OmniBook TFT displays meet or exceed all TFT manufacturer's standards for cosmetic quality 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 manufacturers cosmetic quality specifications.

Here are some guidelines to use in determining what action to take on a customer complaint of cosmetic imperfection in their TFT display:

1. The unit should be viewed in the customer's normal operating condition. This means if the customer uses the unit predominately in DOS, or Windows, or in

some other application or combination of applications, that is where the determination shall be made. Self test is not a normal operating condition and is not a sufficient tool to interpret display quality.

2. In the customer's normal operating mode: a. If 4 or more variant pixels appear clustered in the area approximated by a

thumbprint on the display surface, then the display should be considered for replacement.

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b. On OmniBook 4000CT models, if more than 30 total pixels anywhere on the display are bad, then the display should be considered for replacement. On OmniBook 600CT and OmniBook 5000CT models, if more than 15 total pixels anywhere on the display are bad, then 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 require 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 who, in 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 their ability to produce displays with fewer inherent cosmetic imperfections and will adjust our HP guidelines as the improvements are implemented.

User interface

Power

Keyboard: 85-key touch-type keyboard with embedded numeric keypad and 12 Fn keys. Wrist pad provides comfort for extended keyboard use. External 6-pin mini-DIN interface for external keyboard connection. (HP external keyboard (101key) Part number C3756A)

Pointing device: Built in 25MM trackball positioned in the center of the wrist pad for easy access and comfort. Industry compliant to maintain software compatibility.

Optional pointing devices: Includes 6-pin mini-DIN interface for external PS/2 mouse connection. Also supports serial mouse connection.

Battery type: Removable 14.4-Vdc rechargeable NiMH. NiMH battery does not require complete discharge before recharging. There is no "memory" effect that reduces battery life.

Battery Life; rundown (approx.):

3-4 hrs on DSTN DX2/50

2-3 hrs on TFT DX4/100

Recharge time: Approx. 75 minutes in suspend mode or off position. The battery trickle charges while the unit is turned on. It takes several days to gain a full charge while trickle charging.

Power

Low battery signals: Low battery warning at 10 percent of full charge, followed by save to hard disk after five minutes.

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Battery life can be doubled by installing second battery in place of the 3.5 " flexible drive. The OmniBook will recognize the additional battery and provide battery status of both batteries (can be installed hot).

Smart Battery: The OmniBook 4000 uses "Smart" battery technology. The battery itself contains an ASIC (Application Specific Integrated Circuit) that is able to continuously test and track the status of the battery. The OmniBook BIOS can then receive high-quality information about the battery condition directly from the hardware and not interrupt the CPU. The OmniBook 4000 no longer has to rely on software to determine the condition of the battery. The condition can be checked using two methods that receive information from the BIOS (CONFIGURATION [fn][f2], Windows Control Panel Power).

Energy S.T.A.R. compliant AC Adapter: 100 to 240 Vac adapter (50 to 60 Hz) input; 21 Vdc, 1.35A output.

Use only an HP F1072A AC adapter (the type shipped with the OmniBook). Using any other adapter could damage the OmniBook and void the warranty. Always plug it into a grounded outlet..

Power management options: Advanced; Standard; Off; Custom. Optional power accessories from HP: A fully charged NiMH battery in storage will loose 20% of its charge per month in

storage.

External battery charger

Automobile adapter

NiMH battery pack

AC adapter Accessory Slots

Audio Systems

Designed for desktop use. It has an internal power supply and plugs in to the wall. Works with 110/220 volts and 50/60Hz. It also has a power cord to plug into the OmniBook 4000.

Charges two additional batteries HP part number: F1074A HP part number F1075A

HP part number F1073A

HP part number F1072A User available PCMCIA Slots: 2 Type II or 1 Type III (version Two) The PCMCIA slots are fully industry compatible and supports SystemSoft Card

Services and Socket Service (2.1). The system will support a wide variety of PCMCIA cards.

PCMCIA controller chip manufacturer: Vadem 386. High performance audio: 16-bit stereo sound, Sound Blaster hardware

compatible. Two stereo speakers with acoustic chambers

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Audio Systems

I/O: Headphone/stereo-out port; microphone port; Stereo-in port IRQ default setting for soundblaster is 5. Sound Manufacturer: ESS

Operating environment

Storage environment

Environmental Testing

BIOS

Temperature:

DSTN display models: 41 to 104 degrees F (5 to 40 degrees C) TFT display models: 50 to 104 degrees F (10 to 40 degrees C) 90% relative humidity at 104 degrees F (40 degrees C) maximum

Temperature: -40 to 149 degrees F (-40 to 65 degrees C)

90% relative humidity at 149 degrees F (65 degrees C) maximum

ESD as per IEC-801-2, EN 55024-2

Drop testing: 1 drop flat onto all six faces from .75 meter Also tests for altitude, magnetic & radiated susceptibility &

interference, shock & vibration. Note: These are the tests that HP designs notebook computers

to meet. Due to normal variations in the components of individual machines, some machines will perform better and some won't perform as well. HP does not guarantee that every notebook computer will meet these specifications.

Plug and Play BIOS stored in EEPROM

Software and Operating System

User Upgradable via floppy drive

A corrupt BIOS that prevents the machine from booting requires a system

board replacement. The BIOS can be corrupted by interrupting the BIOS

upgrade in the middle of the process. Microsoft Windows for Workgroups 3.11

MS-DOS 6.2 Easy upgrade to Windows 95

Laplink Remote Access for easy connection to desktop PC, network printers, and other OmniBooks

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