Text preview for : hp_omnibook7100.pdf part of hp hp_omnibook7100 Erik Petersen
Back to : hp_omnibook7100.pdf | Home
®
HP OmniBook 7100
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. © 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. is also prohibited. Portions of the programs that control this product may also be copyrighted by Microsoft Corporation, SystemSoft Corp., Crystal Semiconductor Corporation, Phoenix Technologies, Ltd., and ATI Technologies 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
Edition 1.............................April 1998
ii
HP OmniBook 7100
Contents
1. Product Information.................................................................................................. 1-1
Features and Operation..................................................................................................................1-2 Turning the OmniBook On and Off .......................................................................................1-4 Checking the Status of the OmniBook ...................................................................................1-5 Using Fn Hot Keys .................................................................................................................1-6 Resetting the OmniBook ........................................................................................................1-7 System Resources ...................................................................................................................1-7 Specifications ................................................................................................................................1-9 Internal Design ............................................................................................................................1-12
2. Removal and Replacement........................................................................................ 2-1
Removing the Battery or Plug-In Module (User-Replaceable) .....................................................2-3 Removing a RAM Board (User-Replaceable)...............................................................................2-4 Removing the Hard Disk Drive (User-Replaceable).....................................................................2-5 Replacing Small Parts (User-Replaceable) ...................................................................................2-7 Removing the Keyboard (HP Authorized Service Providers Only) ..............................................2-8 Removing the Heatsink (HP Authorized Service Providers Only) ...............................................2-9 Removing the Display Assembly (HP Authorized Service Providers Only) ..............................2-11 Removing LCD Module (HP Authorized Service Providers Only) ............................................2-12 Removing the Top Case (HP Authorized Service Providers Only) ............................................2-14 Removing the Motherboard or Bottom Case (HP Authorized Service Providers Only).............2-15 Removing the BIOS IC (HP Authorized Service Providers Only) .............................................2-19 Removing Other Components (HP Authorized Service Providers Only) ...................................2-20
3. Troubleshooting and Diagnostics ............................................................................. 3-1
Troubleshooting ............................................................................................................................3-2 Troubleshooting the Problem .................................................................................................3-2 Verifying the Repair ...............................................................................................................3-3 Suggestions for Troubleshooting............................................................................................3-4 Diagnostic Tools .........................................................................................................................3-11 OmniBook Diagnostic Program ...........................................................................................3-11 Power-On Self-Test ..............................................................................................................3-16 Sycard PCCtest 450 CardBus Card (Optional) ....................................................................3-16 Desktop Management Interface (DMI) ................................................................................3-20 BIOS Setup Utility................................................................................................................3-22
4. Replaceable Parts....................................................................................................... 4-1 5. Reference Information............................................................................................... 5-1
Password Removal Policy .............................................................................................................5-1 Hewlett-Packard Display Quality Statement .................................................................................5-2
HP OmniBook 7100
iii
Figures
Figure 1-1. OmniBook - Front View.................................................................................................... 1-2 Figure 1-2. OmniBook - Side View ..................................................................................................... 1-2 Figure 1-3. OmniBook - Rear View..................................................................................................... 1-3 Figure 1-4. Replaceable Module Diagram ......................................................................................... 1-12 Figure 2-1. Removing the Battery or Module ...................................................................................... 2-3 Figure 2-2. Removing a RAM Board................................................................................................... 2-4 Figure 2-3. Removing the Hard Disk Drive......................................................................................... 2-5 Figure 2-4. Installing a Hard Drive in the Case ................................................................................... 2-6 Figure 2-5. Removing the Keyboard.................................................................................................... 2-8 Figure 2-6. Removing the Heatsink ................................................................................................... 2-10 Figure 2-7. Removing the Display Assembly .................................................................................... 2-11 Figure 2-8. Removing the LCD Module ............................................................................................ 2-13 Figure 2-9. Removing the Top Case .................................................................................................. 2-15 Figure 2-10. Removing the Motherboard (Part 1).............................................................................. 2-16 Figure 2-11. Removing the Motherboard (Part 2).............................................................................. 2-17 Figure 2-12. Removing the BIOS IC ................................................................................................. 2-20 Figure 3-1. Basic Troubleshooting Steps ............................................................................................. 3-2 Figure 3-2. OmniBook Diagnostic Screens -- Basic and Advanced................................................. 3-11 Figure 3-3. Serial and Parallel Loopback Connectors........................................................................ 3-13 Figure 3-4. DMI Components ............................................................................................................ 3-21 Figure 4-1. Exploded View.................................................................................................................. 4-2 Figure 4-2. Display Components ......................................................................................................... 4-5 Figure 4-3. Top Case Components ...................................................................................................... 4-6 Figure 4-4. Motherboard-Related Components ................................................................................... 4-6
Tables
Table 1-1. OmniBook 7100 Models .................................................................................................... 1-1 Table 1-2. Product Comparisons.......................................................................................................... 1-3 Table 1-3. Activating Power Modes .................................................................................................... 1-4 Table 1-4. Status Panel Indicators (Icon PCA) .................................................................................... 1-5 Table 1-5. Status Lights (Front-IR PCA) ............................................................................................. 1-6 Table 1-6. Fn Hot Keys........................................................................................................................ 1-6 Table 1-7. System Interrupts ................................................................................................................ 1-7 Table 1-8. System Memory.................................................................................................................. 1-8 Table 1-9. System Input/Output Addresses (100-3FF) ........................................................................ 1-8 Table 1-10. DMA Channels................................................................................................................. 1-8 Table 1-11. OmniBook 7100 Specifications........................................................................................ 1-9 Table 1-12. OmniBook 7100 Accessories ......................................................................................... 1-11 Table 1-13. Functional Structure........................................................................................................ 1-13 Table 2-1. Removal Cross-Reference .................................................................................................. 2-1 Table 2-2. Required Equipment ........................................................................................................... 2-2 Table 2-3. Recommended Screw Torques ........................................................................................... 2-2 Table 2-4. RAM Board Replacement Part Numbers ........................................................................... 2-4 Table 2-5. Hard Disk Drive Replacement Part Numbers..................................................................... 2-5 Table 2-6. Replacing Small Parts (User-Replaceable)......................................................................... 2-7 Table 2-7. Removing Display Components ....................................................................................... 2-21 Table 2-8. Removing Top Case Components .................................................................................... 2-22 Table 2-9. Removing Bottom Case Components............................................................................... 2-23 Table 3-1. Scope of Diagnostic Tools.................................................................................................. 3-4
iv
HP OmniBook 7100
Table 3-2. Troubleshooting Suggestions..............................................................................................3-5 Table 3-3. OmniBook Diagnostic Error Codes..................................................................................3-13 Table 3-4. POST Terminal-Error Beep Codes ...................................................................................3-16 Table 3-5. POST Messages................................................................................................................3-17 Table 3-6. BIOS Setup Menus and Parameters..................................................................................3-22 Table 4-1. OmniBook Replaceable Parts .............................................................................................4-3 Table 4-2. Assembly-Component Breakdown .....................................................................................4-7 Table 4-3. Accessory Replaceable Parts ..............................................................................................4-7 Table 4-4. Part Number Reference.......................................................................................................4-8 Table 5-1. OmniBook 7100 LCD Guidelines (TFT)............................................................................5-3
HP OmniBook 7100
v
Introduction
This service manual provides reference information for the HP OmniBook 7100. It is intended to be used by HP-authorized service personnel in the installation, servicing, and repair of these products. 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 HP External Web Address or Number http://www.hp.com/omnibook (http://www2.hp.com/omnibook, European mirror) http://partner.americas.hp.com http://www.hp.com.au Comments No usage restriction.
HP US Reseller Web HP Asia Pacific Channel Support Centre for DPSP Partners America Online CompuServe* HP Bulletin Board Service HP First (automated fax)
Restricted to Authorized Resellers only. Restricted to DPSP Partners only.
Keyword: HP GO HP
(800) 333-1917 (801) 344-4809 (800) 544-9976
HP Support Assist CD-ROM *
(800) 457-1762 (801) 431-1587 Baud rates = 300-28,800; Parity = E; Data bits = 7; Stop bits = 1.
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. Outside US and Canada. Reseller support number (enter outlet id number). US and Canada. Outside US and Canada.
vi
HP OmniBook 7100
1
Product Information
The HP OmniBook 7100 provides desktop performance and expandability as well as the latest in multimedia capabilities. It uses high-performance component technologies that make it capable of replacing a desktop computer or serving as a multimedia presentation tool.
Table 1-1. OmniBook 7100 Models
OmniBook CPU ** Display Hard Drive Product * F1441N Pentium II 14.1-inch 6.4 GB F1441W 266 MHz XGA TFT (F1475A) F1442N 8.1 GB F1442W (F1449A) * For the products listed: "N" suffix means Windows NT 4.0 Workstation installed. "W" suffix means Windows 95 installed. ** Intel Mobile Pentium or Pentium II processor. Floppy Drive CD-ROM Drive 1.44 MB floppy and CD-ROM combination (F1446A) Standard RAM 32 MB
This chapter describes · Features and operation (below). · Specifications (page 1-9). · Internal design (page 1-12).
HP OmniBook 7100
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.
Latch Microphone Status panel Power button
Pointing stick Touch pad
Speaker Plug-in module bay Click buttons Battery Speaker
Kensington lock slot System-off button
Figure 1-1. OmniBook - Front View
AC adapter socket PC Card slots Audio jacks Volume control PC Card eject buttons
Front infrared port Status lights
Figure 1-2. OmniBook - Side View
1-2
Product Information
HP OmniBook 7100
Parallel port
Serial VGA S-video Docking port out out port
USB port
PS/2 port
Rear infrared port
Figure 1-3. OmniBook - Rear View Table 1-2. Product Comparisons
Processor * OmniBook 7100 Intel Pentium II (266 MHz), with MMX technology. 512-KB burstsynchronous L2 cache (high-speed bus). 32 MB RAM on motherboard. Expandable to 160 MB. 14.1-inch TFT XGA display. OmniBook 4100 Intel Pentium II (266 or 233 MHz), or Pentium (266 MHz), with MMX technology. 512-KB burstsynchronous L2 cache (high-speed bus for Pentium II). 32 MB RAM on motherboard. Expandable to 96 MB. OmniBook 2100/3100 Intel Pentium (266, 233, or 200 MHz), with MMX technology. 512-KB burstsynchronous L2 cache. OmniBook 3000 Intel Pentium (266, 233, or 200 MHz), with MMX technology. 512-KB burstsynchronous L2 cache.
Memory
32 MB RAM on motherboard. Expandable to 96 MB.
Display
Video
Operating System
PCI local bus video. 64-bit graphics controller with 4 MB external video RAM. Up to 16M colors (XGA). Zoomed Video enabled. Windows 95 or Windows NT 4.0 preinstalled. DMI 2.0. HP TopTools 2.6. APM 1.2. ACPI compliant. On, Standby, Suspend, Hibernate, Off.
14.1- or 13.3-inch TFT 13.3-inch TFT XGA XGA display. display, or 12.1-inch TFT or DSTN SVGA display. PCI local bus video. PCI local bus video. 128-bit graphics 128-bit graphics controller with 2 MB controller with 2 MB internal video RAM. internal video RAM. Up to 64K colors (XGA), Up to 64K colors 16M colors (SVGA). (XGA). Zoomed Video enabled. Zoomed Video enabled. Windows 95 or Windows 95 or Windows NT 4.0 Windows NT 4.0 preinstalled. preinstalled. DMI 2.0. HP TopTools 2.6. APM 1.2. ACPI compliant. On, Standby, Suspend, Hibernate, Off. DMI 2.0. HP TopTools 2.6. APM 1.2. ACPI compliant. On, Standby, Suspend, Hibernate, Off.
16 MB RAM on motherboard. Expandable to 144 MB. 13.3-inch TFT XGA display.
Desktop Management Interface Power Management Power States
PCI local bus video. 128-bit graphics controller with 2 MB internal video RAM. Up to 64K colors (XGA). Zoomed Video enabled. Windows 95 preinstalled. (Windows NT 4.0 certified.) DMI 1.1. HP TopTools 2.0. APM 1.2. On, Standby, Suspend, Hibernate, Off.
Features at the time of product introduction. Not updated for later versions. * Intel Mobile Pentium or Mobile Pentium II processor.
HP OmniBook 7100
Product Information
1-3
Turning the OmniBook On and Off
· On. Press the blue power button to turn on the OmniBook. · Standby. The display turns off automatically if the computer is inactive for about 2 minutes. · Suspend. 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. · 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. · 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 Standby Reduced-power/stopped state. Display is off. Everything is in a reduced-power state. Network devices are maintained. Your current work session continues at turn-on (any key or pointer action). 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. To Enter Mode Press Fn+S or allow time-out. To Turn Back On Press any key or move a pointing device to display the current session ("Instant-On"). Press blue power button to display the current session ("Instant-On").
Hibernate No-power/stopped state. Session is saved on the hard disk. Everything is shut down. Computer reboots at turn-on and restores previous session and network connections (if plug-and-play). Click Start, Shut Down Off or No-power/stopped state. Everything is shut down Press and hold the blue power (battery continues charging if ac adapter is button until the display shuts connected). Computer reboots at turn-on and down. restores network connections. * Does not suspend if Video Display Device set to Both in BIOS Setup.
Press blue power button for about 1 second or close the lid* or click Start, Suspend (Windows 95) or allow time-out. Press Fn+F12 or allow time-out.
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 7100
Checking the Status of the OmniBook
The OmniBook status panel, located above the keyboard, contains indicators that show the current keyboard status, drive activity, and power status of the OmniBook. (These indicators are on the icon PCA.)
Table 1-4. Status Panel Indicators (Icon PCA)
Indicator Meaning AC power. The ac adapter is plugged in. Battery status. Shows the approximate charge level of the battery relative to a full charge. Each bar represents 10% charge. The upper and lower triangles indicate the presence of the main battery (upper) and a second battery (lower). A triangle blinks when that battery is charging. The main battery charges first, discharges last. If two batteries are installed, the indicator shows the combined charge of both batteries. Press Fn+F6 to show separate battery levels. Battery low. (Triangle, but no bars.) The OmniBook also beeps. Defective battery. (No triangle, no bars.) No charging, even though ac adapter is present. Overheated battery. (No triangle, top bar.) The battery is too hot to charge. Not necessarily a defective battery. Internal drive. The OmniBook is accessing one of the internal drives: the hard disk drive, CD-ROM drive, or other plug-in module drive. Floppy disk drive. The OmniBook is accessing the floppy disk drive. PC Card. There is activity between the PC Card and the computer. Caps Lock. Caps Lock is active. Num Lock. Num Lock is active. Keypad Lock. The embedded keypad is active (Fn+F8). Num Lock must also be on for the numeric keys--otherwise, cursor control is active. Scroll Lock. Scroll Lock is active (Fn+ScrLk).
HP OmniBook 7100
Product Information
1-5
The OmniBook status lights, located at the front-center of the bottom case, indicate power status and drive activity. (These lights are on the front-IR PCA.)
Table 1-5. Status Lights (Front-IR PCA)
Meaning 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. Hard disk drive Green light: OmniBook is accessing the hard disk drive. 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.
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 Fn + F1 Fn + F2 Fn + F3 Fn + F4 Fn + F5 Fn + F6 (hold) Fn + F8 Effect Decreases the display's brightness. Increases the display's brightness. Decreases the display's contrast (non-TFT displays only). Increases the display's contrast (non-TFT displays only). Switches among the built-in display, an external display, and simultaneous displays. For use with two batteries: The battery indicator in the status panel briefly displays the individual battery status for each battery you have installed in the OmniBook. 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. Enters Hibernate mode. Toggles between front and rear infrared ports. Enters Suspend mode. Enters Standby mode. Toggles Scroll Lock on and off. Increases and decreases the sound volume. The volume range is limited by the setting of the volume control knob.
Fn + F12 Fn + F Fn + R Fn + S Fn + ScrLk Fn + UP ARROW Fn + DOWN ARROW
1-6
Product Information
HP OmniBook 7100
Resetting the OmniBook
1. Use a pen or a straightened paper clip to push the system-off button on the right side of the OmniBook. (The switch is on the motherboard.) or Press and hold the blue power button until the display shuts down. (The switch is on the icon 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: · You have an internal CD-ROM/floppy drive installed, · You have a bootable CD in the drive, such as the OmniBook Recovery CD, and · 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 onetime selection.
System Resources
Below are default values for system resources. To see other, non-default possibilities, use the BIOS Setup utility (see page 3-22), which 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-andplay operating systems, drivers, and BIOS Setup settings may change some of the entries.
Table 1-7. System Interrupts
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 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 (or MIDI, if enabled) Pointing device Numeric data processor Internal hard disk (primary IDE controller) Internal CD-ROM drive (secondary IDE controller)
HP OmniBook 7100
Product Information
1-7
Table 1-8. System Memory
00000 - 9FFFF System memory A0000 - BFFFF Video C0000 - CFFFF Video BIOS D0000 - DBFFF* Free** DC000*- FFFFF System BIOS * Approximate boundary. ** Valid uses for memory addresses D0000-DBFFF: Upper memory blocks (UMBs). PC card memory windows.
Table 1-9. System Input/Output Addresses (100-3FF)
170-177 1F0-1F7 220-22F 376 378-37F 388-38B 3B0-3BB 3C0-3DF 3E0-3E1 3F0-3F5 3F6 3F7 3F8-3FF Internal CD-ROM drive (secondary IDE controller) Internal hard disk (primary IDE controller) Crystal sound Internal CD-ROM drive (secondary IDE controller) LPT1 (printer port) Sound VGA adapter VGA adapter PCMCIA controller Floppy controller Internal hard disk (primary IDE controller) Floppy controller COM1 (serial port)
Table 1-10. DMA Channels
0 1 2 3 4 5 6 7 Sound record Sound playback Floppy drive LPT1 (ECP parallel port) Cascade Free Free Free
1-8
Product Information
HP OmniBook 7100
Specifications
The following tables list descriptions for the OmniBook and its accessories.
Table 1-11. OmniBook 7100 Specifications
Physical Attributes Processor and Bus Architecture Size: 324mm×252mm×56mm (12.76"×9.92"×2.22") closed. Weight: 3.95 kg (8.7 lb). 266-MHz Intel Pentium II 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. 14.1-inch XGA active-matrix (TFT) display (1024×768×16M colors). 64-bit ATI Rage LT Pro graphics controller with 4-MB 100-MHz SGRAM. 2D and 3D acceleration, SXGA-out and TV-out support. Zoomed Video support for both PC Card slots. Rechargeable 12-cell lithium ion battery with LED charge-level gauge (14.4 Vdc, 4.2 AH, 60 watt-hours). Battery life (one battery): 3.25 to 4.25 hours run time. Fast battery recharge: 80% in 1.5 hours, 100% in 2.0 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. 24X CD-ROM/floppy drive combination module. 8.1-GB or 6.4-GB removable hard drive. Optional LS-120 storage module. Optional 2X DVD module. 32-MB SDRAM on board. Two slots for RAM expansion up to 160 MB (288 MB maximum with future memory technologies). 16-bit, Sound Blaster Pro-compatible. SRS 3D enhanced audio. Dolby Digital for DVD playback (with DVD module). Stereo sound via two built-in speakers. Built-in microphone. Line-in, headphone-out, and microphone-in. 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. Universal serial bus (USB). 9-pin, 115,200-bps serial (16550 UART). 25-pin bi-directional ECP/EPP parallel. Video-out (up to 1024×768×16M colors at 75-Hz refresh rate or 1280×1024×64K colors at 60-Hz refresh rate). S-video TV-out, composite video with optional adapter. PS/2 keyboard/mouse. Two 4-Mbps IrDA-compliant infrared ports. 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.
Graphics
Power
Mass Storage
RAM
Audio System
Keyboard and Pointing Device
Input/Output
Expandability
HP OmniBook 7100
Product Information
1-9
Preinstalled Software
Security Features
Environmental Limits
Major ICs
Microsoft Windows 95 or Windows NT 4.0. 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. Online documentation. OmniBook Recovery CD-ROM included. Centralized worldwide BIOS and driver update service. User and administrator passwords. System, hard drive, and docking passwords. PC identification displayed at boot. DMI-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). CPU: Intel Mobile Pentium II. South Bridge: PIIX4E. Video: ATI Rage LT Pro. Audio: Crystal CS4237B (with Crystal CS9236 hardware wavetable). CardBus: TI PCI1250A. Keyboard controller: National PC87570. Super I/O: SMC FDC37N769.
1-10
Product Information
HP OmniBook 7100
Table 1-12. OmniBook 7100 Accessories
OmniBook 7100-Only Accessories 24X CD-ROM drive / floppy drive combo module. F1446A 2X DVD module. F1447A LS-120 SuperDisk drive module. F1448A 8.1-GB internal hard disk drive. F1449A 6.4-GB internal hard disk drive. F1475A Lithium-ion battery (primary and secondary). F1450A Composite video adapter. F1459A OmniBook 7100, 4100, 3100, 2100 Accessories Docking system and monitor stand (tall). F1477A Mini dock. F1452A Port replicator. F1451A Monitor stand (short). F1453A 32-MB RAM expansion card (7100/4100 only). F1456A 64-MB RAM expansion card (7100/4100 only). F1457A 60-watt ac adapter. F1454A 75-watt auto/airline power adapter. F1455A PS/2 Y adapter. F1469A 10/100-Mbps Ethernet PC Card. TMC3X575 10-Mbps Ethernet PC Card. TMC3C589 56-Kbps modem PC Card. XIRCM56T Replacement power cord (U.S., Canada, Taiwan). 8120-6313 Replacement power cord (Europe). 8120-6314 Replacement power cord (Hong Kong, Singapore, U.K.). 8120-6315 Replacement power cord (Australia). 8120-6312 Replacement power cord (Japan). 8120-6316 Replacement power cord (India, South Africa). 8120-6317 Replacement power cord (People's Republic of China). 8120-8373
HP OmniBook 7100
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.
Top Case
Icon PCA (Status, IR, Mic) Touch pad, Speakers
LCD Module
Inverter PCA Audio PCA DC-DC PCA
LVDS PCA RAM Boards Motherboard PCA CPU Module
PCMCIA Cards
BIOS IC
Video PCA Pointer-Ctrl PCA
Plug-In Module
Hard Disk Drive
Battery Module
The power switch and lid switch are contained on the icon PCA. All external connections (except front and back IR) are made to the motherboard.
Keyboard (pointing stick)
Fan Front-IR PCA (LEDs) Heatsink
Figure 1-4. Replaceable Module Diagram
1-12
Product Information
HP OmniBook 7100
Table 1-13. Functional Structure
Function Bootup Modules CPU module Motherboard BIOS IC Floppy disk module Hard disk drive CPU module Motherboard Motherboard RAM boards Video PCA Battery DC-DC PCA Motherboard Icon PCA AC adapter Motherboard LCD module Inverter PCA LVDS PCA Video PCA Motherboard Hard disk drive Motherboard Floppy disk module Motherboard BIOS IC Keyboard Motherboard Pointer-control PCA Keyboard Top case Motherboard Audio PCA Icon PCA Top case Motherboard Icon PCA Front-IR PCA Motherboard Motherboard Motherboard Icon PCA Front-IR PCA Motherboard Pointer-control PCA Motherboard Motherboard Motherboard PCMCIA socket Roles Main processor (MMO). Primary system circuitry. Code for basic system functions. First source of disk-based startup code. Second source of disk-based startup code. Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry. First 32 MB of RAM. Optional, additional RAM. Video RAM. Power storage. Power supply. AC adapter socket, system-off switch. Power switch, lid switch. AC-to-dc converter. PCMCIA/zoomed video controller. Display output, backlight. Power converter for backlight. Display switch, LVDS signal pass-through. Display/graphics controller, video RAM, LVDS processor/driver. Hard disk controller. Hard disk mechanism. Floppy disk controller. Floppy disk mechanism. Keyboard controller. Keyboard BIOS. Key switches. Keyboard controller. Pointing stick controller (PS/2 output). Pointing stick sensor. Touch pad sensor, controller (PS/2 output). Speaker amplifier, external audio jacks, headphone amplifier, zoomed video controller, volume knob. Audio controller, wavetable. Microphone. Speakers. Keyboard controller. Status panel. Front LEDs. I/O controller, serial connector. I/O controller, parallel connector. I/O controller. Back infrared transmitter/receiver. Front infrared transmitter/receiver. Keyboard controller, PS/2 connector. PS/2 processor. Bus controller (South Bridge), USB connector. Docking logic, docking connector. PCMCIA controller. PCMCIA connectors.
Processor Memory
Power
Display
Hard disk Floppy drive Keyboard
Pointer
Audio
Status
Serial Parallel Infrared
PS/2 port USB Docking port PCMCIA
HP OmniBook 7100
Product Information
1-13
2
Removal and Replacement
This chapter tells you how to remove and replace the following components and assemblies. The ones marked by · below are user-replaceable.
Table 2-1. Removal Cross-Reference
· · ·
· ·
Audio heatsink (table on page 2-23). Audio jack cover (table on page 2-23). Audio PCA (table on page 2-23). Battery (page 2-3). Battery faceplate (table on page 2-7). BIOS cover (table on page 2-7). BIOS IC (page 2-19). Bottom case (page 2-15). CPU fence (table on page 2-23). CPU module (MMO) (table on page 2-23). Display bezel (table on page 2-21). Display bracket (table on page 2-21). Display cable (table on page 2-21). Display case (table on page 2-21). Display latch (table on page 2-21). DC-DC PCA (table on page 2-23). End cap (table on page 2-21). Fan (table on page 2-23). Feet (table on page 2-7). Front-IR PCA (table on page 2-23). Hard disk drive (page 2-5). Heatsink, CPU (page 2-9). Hinge (table on page 2-21).
·
· · · ·
Hinge cover (table on page 2-22). Hinge mount (table on page 2-23). Icon PCA (table on page 2-22). Inverter PCA (table on page 2-21). I/O door (table on page 2-7). Keyboard (page 2-8). LCD module (page 2-11). LCD shield (table on page 2-21). LVDS PCA (table on page 2-23). Motherboard PCA (page 2-15). Motherboard frame (table on page 2-23). PCMCIA shield (table on page 2-23). PCMCIA socket (table on page 2-23). Plug-in module (page 2-3). Pointer-control PCA (table on page 2-23). RAM board (page 2-4). RAM cover (table on page 2-7). Screw cover (table on page 2-7). Speaker (table on page 2-22). Top case (page 2-14). Touch-pad cable (table on page 2-22). Touch-pad PCA (table on page 2-22). Video PCA (table on page 2-23).
Caution
Always provide proper grounding when performing repairs. Without proper grounding, an electrostatic discharge may damage the OmniBook and its components.
HP OmniBook 7100
Removal and Replacement
2-1
Notes Reassembly steps are the reverse of the removal steps. Reassembly notes are included at the end of each section below. 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 M2.5×5mm screw.) Table 2-2. Required Equipment
· · · · · ·
Small Phillips screwdriver, preferably magnetized. 5 mm hex driver. Probe or tweezers. Small flat-blade screwdriver. Needle-nose pliers. IC insertion/removal tool.
Table 2-3. Recommended Screw Torques
Screw Thread Size M2 M2.5 except those below M2.5 for display brackets and hinge mounts M3 Torque (kgf·cm) 1.5 2.0 1.5 2.5 4.5 2.0 2.5 Torque (in·lbf) 1.3 1.7 1.3 2.2 3.9 1.7 2.2
2-2
Removal and Replacement
HP OmniBook 7100
Removing the Battery or Plug-In Module
(User-Replaceable)
Required Equipment
· None.
Removal Procedure
1. Unplug the ac adapter, if present. 2. Turn the unit bottom side up. 3. Slide the latch open and pull out the module.
Faceplate
Figure 2-1. Removing the Battery or Module Reassembly Notes
· You can install a battery in either bay. But any other type of module must be installed in only the left bay (on the right side when the unit is upside-down). · For a battery, slide its faceplate to the left or right so it fits into the bay correctly.
HP OmniBook 7100
Removal and Replacement
2-3
Removing a RAM Board
(User-Replaceable)
Table 2-4. RAM Board Replacement Part Numbers
Description RAM board, 32-MB RAM board, 64-MB Part Number 1818-7413 1818-7414 Exchange Part Number F1456-69001 F1457-69001
Caution
Handle the RAM board only by its edges and provide proper grounding. Otherwise, you may damage the board due to electrostatic discharge. Required Equipment
· None.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Turn the unit bottom side up and unsnap the RAM cover. 3. Release the two metal 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
· 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. · If only one RAM board is present, you can install it in either connector.
2-4
Removal and Replacement
HP OmniBook 7100
Removing the Hard Disk Drive
(User-Replaceable)
Table 2-5. Hard Disk Drive Replacement Part Numbers
Description Drive, hard disk (6.4GB, IBM) Drive, hard disk (8.1GB, IBM) Part Number 0950-2829 0950-2830 Exchange Part Number F1440-69100 F1449-69100
Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Turn the unit bottom side up. 3. Use a key or flat-blade screwdriver to pop up the hard drive handle. 4. Slide the hard drive toward the front, then lift it out.
Figure 2-3. Removing the Hard Disk Drive
5. If you are installing a new hard drive that does not have a plastic case, you can remove the case parts from the old hard drive: · Unsnap the two plastic snaps next to the connector and remove the plastic tray. · Remove the four screws from the sides of the shield. · Remove the hard drive from the shield. · Unplug the connector from the hard drive.
HP OmniBook 7100
Removal and Replacement
2-5
Screw, M3×4mm (4)
HDD case kit
Figure 2-4. Installing a Hard Drive in the Case Reassembly Notes
Caution
· Do not cover the vent hole in the top surface of the hard drive. If you cover the hole, the hard drive could fail prematurely. · When installing the drive into the bottom case, first insert the complete assembly into the front of the opening, then slide it backward to make the connection. Otherwise, you could damage the hard drive case. Important 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 7100 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 7100
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, and choose the diagnostics boot option. 4. When prompted, select "Create Hibernate Partition." We recommend that you create a 160-MB partition, the same as the factory setup.
Replacing Small Parts
(User-Replaceable)
The following small parts are user-replaceable.
Table 2-6. Replacing Small Parts (User-Replaceable)
Part Battery Faceplate Replacement Procedure Slide the panel to one side. Pry off the top edge next to the overhanging end, then slide the panel to the opposite end and remove the panel. Reassembly Notes: Attach the bottom edge of the panel first, then snap on the top edge. On the bottom of the unit, insert a flat-blade screwdriver into the slot at the edge of the BIOS cover and pry it off. Insert a small flat-blade screwdriver under the end of the foot and pry it loose. To replace, firmly press the adhesive side of the foot into the recess. Open the door and flex the center of the door until one of the side tabs releases. To replace an I/O door hinge, insert a small flat-blade screwdriver behind the middle of the flat plate and pop the hinge out of the case. When installing a hinge, make sure the hinge support curves downward. Pull the cap off the pointing stick. On the bottom of the unit, insert a flat-blade screwdriver into the slot at the edge of the RAM cover and pop it off. Use a small screwdriver or probe to pry out the screw cover on the display bezel. To replace, firmly press the adhesive side of the cover into the hole.
BIOS Cover Feet I/O Door
Pointing Stick Cap RAM Cover Screw Cover
HP OmniBook 7100
Removal and Replacement
2-7
Removing the Keyboard
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver. · Small flat-blade screwdriver. · Probe or tweezers.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the four screws from the bottom case. 3. Use a flat-blade screwdriver to free the three tabs along the top edge of the keyboard. Be careful not to damage the case. 4. Lift the top edge of the keyboard, then slide the keyboard toward the back until the front-left corner is free. 5. Flip over the keyboard toward the back and lay it flat against the display. 6. Using a probe or tweezers, release the two flex cables from the connectors in the case.
Pointing stick cap Keyboard and pointing stick flex cables
Screw, M2.5×20mm
Figure 2-5. Removing the Keyboard Reassembly Notes
· To connect the keyboard cables, do the following:
2-8
Removal and Replacement
HP OmniBook 7100
1. Lay the keyboard on the case slightly forward of its normal position, then connect the pointing stick cable (smaller cable). 2. Lean the keyboard against the display, then connect the keyboard cable (larger cable).
Caution
Before inserting the keyboard into the case, tuck the excess length of the keyboard flex cable under the top case behind the keyboard. Then pull the free end of the stiffener tab on the cable toward the front of the case--so the tab is not under the top case. Check the cable again after lowering the keyboard into its final position.
· When you lower the keyboard into the case, pull it toward the front so the three tabs at the back fit down into the case. Adjust the keyboard until the tabs lock under the top case.
Removing the Heatsink
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver. · Needle-nose pliers.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove the keyboard (see the previous topic). 3. Remove the screw from the CPU heatsink into the PCMCIA shield. 4. Remove the two screws from the middle area of the CPU heatsink. 5. Lift the front edge of the heatsink slightly and slide it to the front about 5 mm--until the front edge of the fan clears the top case. 6. Lift the left side of the heatsink until it reaches about 45°, then slide the fan out of the case. 7. Remove the right hinge cover. Pull the right-front corner forward until it unsnaps, then lift it off. 8. Use a needle-nose pliers to unplug the fan cable from the motherboard.
HP OmniBook 7100
Removal and Replacement
2-9
Screw, M2.5×4mm
Screw, M2×8mm
Right hinge cover
Heatsink
Fan cable
Figure 2-6. Removing the Heatsink Reassembly Notes
Caution
Replace any thermal pads on the heatsink that are damaged.
· Plug in the fan cable before inserting the heatsink into the case. · Tuck the fan cable under the heatsink.
2-10
Removal and Replacement
HP OmniBook 7100
Removing the Display Assembly
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: · Keyboard (page 2-8). · Heatsink and right hinge cover (page 2-9). 3. Open the display fully. 4. Remove the left hinge cover by pressing in and lifting the front edge.
Hint In the next step, unplug the connector before removing the grounding screw. Otherwise, you may unseat the LVDS PCA.
5. Unplug the display cable from the LVDS PCA, then remove the screw holding the grounding strap. 6. Remove the four screws from the hinges and lift off the display assembly.
Screw, M2.5×6mm
Screw, M2.5×4mm
Figure 2-7. Removing the Display Assembly
HP OmniBook 7100
Removal and Replacement
2-11
Removing LCD Module
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: · Keyboard (page 2-8). · Heatsink and right hinge cover (page 2-9). · Display assembly (page 2-11). 3. Remove the rubber screw covers at the top corners of the display, then remove the screws at all four corners. 4. Press inward on one side of the display bezel until it unsnaps from the case. Continue across the top and along the opposite side--until only the bottom is attached. 5. Lift the top edge of the bezel until the bottom edge unsnaps from the case, then remove the bezel. 6. Remove the four screws from the bottom corners of the display brackets. Remove the hinges. 7. Unplug the wires from the right end of the inverter PCA. 8. Unplug the main display cable from the left end of the inverter PCA. 9. Remove the screw from the inverter PCA and lift out the PCA. 10. Slide the LCD module forward slightly, then lift the bottom edge of the LCD module until you can remove the module and brackets from the case. 11. Remove the four screws from the sides of the module, and remove the display brackets and LCD shield. 12. Unplug the main display cable from the LCD module.
2-12
Removal and Replacement
HP OmniBook 7100
Screw, M2.5×8mm
Screw cover
Display bezel
Screw, M2×3mm (4)
Display brackets (3)
Screw, M2.5×6mm (4)
LCD module
Screw, M2.5×3mm Display cable Inverter PCA LCD shield
End cap (2) Hinge
Figure 2-8. Removing the LCD Module Reassembly Notes
· Make sure the connector on the main display cable seats correctly on the LCD connector. · Install the LCD shield and three display brackets on the LCD module, then install the complete assembly onto the posts at the top of the display case. Lower the assembly into the case. · Route the LCD wires under the main display cable near the right hinge.
HP OmniBook 7100
Removal and Replacement
2-13
· Install each hinge so the brighter half is attached to the display case. · When installing the hinges, do not install the outer screws until the bezel is attached. · Install the hinge end caps into the case before attaching the bezel. The mark molded into the cap should be vertical when the display is laying flat. · Install the left hinge cover with its flat wall toward the front.
Removing the Top Case
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. Remove these additional assemblies: · Floppy/CD-ROM module or other module (page 2-3). · Hard disk drive (page 2-5). · Keyboard (page 2-8). · Heatsink (page 2-9). · Display assembly (page 2-11). 3. Unplug the icon/MB cable from the motherboard. 4. Unplug the speaker/touch-pad cable from the motherboard. 5. Turn the unit bottom side up and remove the two screws from the bottom case in the hard drive compartment. 6. Turn the unit face up and remove the three screws from the top case. 7. Along the right side, press inward on the top case and outward on the bottom case until the top case unsnaps along the side. Repeat along the left side, then lift up the back edge of the top case about 5 cm. Slide the top case forward to disengage the front edge.
2-14
Removal and Replacement
HP OmniBook 7100
Screw, M2.5×6mm Speaker/touch-pad cable
Icon/MB cable
Screw, M2.5×4mm (2)
Figure 2-9. Removing the Top Case Reassembly Notes Note: Installing a New Top Case Assembly Transfer the icon PCA from the old top case to the new one.
· Starting at one corner, fully engage the tabs across the front edge of the top case, then lower it onto the bottom case.
Removing the Motherboard or Bottom Case
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver. · 5 mm hex driver.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery.
HP OmniBook 7100
Removal and Replacement
2-15
2. Remove these additional assemblies: · Floppy/CD-ROM module or other module (page 2-3). · Hard disk drive (page 2-5). · Keyboard (page 2-8). · Heatsink (page 2-9). · Display assembly (page 2-11). · Top case (page 2-14). 3. Remove the three screws from the CPU module.
Caution
Keep the CPU module and fence flat while removing it. Otherwise, you could damage the connectors.
4. Lift the CPU fence to unplug the CPU module from the motherboard. Lift out the fence and module together. 5. Unplug the DC-DC PCA from the motherboard. 6. Remove the screw from the LVDS PCA, then unplug the PCA from the motherboard. 7. Remove the screw from the pointer-control PCA, then unplug the PCA from the motherboard.
LVDS PCA Pointer-control PCA Screw, M2.5×4mm
DC-DC PCA
Screw, M2×12mm (4)
CPU module
CPU fence
Figure 2-10. Removing the Motherboard (Part 1)
8. Unplug the front-IR cable from the motherboard.
2-16
Removal and Replacement
HP OmniBook 7100
9. Using a 5 mm hex driver, remove the standoff from the middle of the motherboard 10. Remove two screws that hold the motherboard to the bottom case. 11. Remove the screw that holds the left hinge mount to the motherboard, and the screw that holds the right hinge mount to the motherboard. 12. Remove eight screws that hold the I/O plate: · Three screws on the bottom of the unit. · Four screws inside the I/O door near the hinge mounts. · One screw from the top-center of the I/O plate. 13. Lift the front edge of the motherboard until it clears the bottom case, then slide the board forward and lift it out.
Screw, M2.5×8mm Screw, M2.5×4mm Screw, M2.5×6mm Standoff, 12mm
Screw, M2×12mm Front-IR cable
Screw, M2.5×4mm (4)
Screw, M2.5×4mm
Figure 2-11. Removing the Motherboard (Part 2)
HP OmniBook 7100
Removal and Replacement
2-17
Reassembly Notes Note: Installing a New Motherboard · Transfer these parts from the old motherboard to the new one: Hinge mounts, left and right. PCMCIA shield and socket, audio PCA and heatsink. Video PCA, video heatsink, and RAM board (if present) on the underside. All other PCAs, including CPU module and fence. Plastic motherboard frame and plastic audio jack cover. · Reprogram the BIOS IC--see the note below. · Store the serial number electronically in the new motherboard--see the steps below.
Note: Installing a New Bottom Case · Transfer these parts from the old bottom case to the new one: Front-IR PCA (with cable). Plastic parts (I/O door, RAM cover, BIOS cover). · Install a new business card overlay and regulatory label. · Install a new serial number label and overlay--see the steps below.
· When installing the motherboard, make sure the audio jack cover is inside the bottom case. · Make sure the front-IR cable is taped along the top of the housing and is retained by the plastic tab near where it plugs into the motherboard.
Caution
Replace any heatsink thermal pads that are damaged. Keep the CPU module flat while installing it. Press it down only directly above the connectors underneath. Otherwise, you could damage the connectors or damage pressure-sensitive components on the module.
· Do not install a screw into the DC-DC PCA until the top case is installed.
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. HewlettPackard 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). 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, in MS-DOS change to the \OMNIBOOK\DRIVERS\HPUTILS directory and type esn at the prompt. ¨ Otherwise, copy \Omnibook\Drivers\Hputils\Esn.exe from the OmniBook 7100 Recovery CD, then run it on the OmniBook.
2-18
Removal and Replacement
HP OmniBook 7100
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. 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 directions carefully. You can download it from the OmniBook website (see page vi). Required Equipment
· Flat-blade screwdriver. · IC insertion/removal tool.
Removal Procedure
1. Unplug the ac adapter, if present, and remove the battery. 2. On the bottom of the unit, insert a flat-blade screwdriver into the slot at the edge of the BIOS cover and pry it off. 3. Use an IC insertion/removal tool to remove the BIOS IC from its socket.
HP OmniBook 7100
Removal and Replacement
2-19
IC Insertion/Removal Tool
Figure 2-12. Removing the BIOS IC Reassembly Notes
Caution
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.
· Press down firmly on the IC with your thumb to ensure a proper connection. · Reprogram the IC by programming the BIOS--see the note above.
Removing Other Components
(HP Authorized Service Providers Only)
Required Equipment
· Small Phillips screwdriver. · 5 mm hex driver (for motherboard-related components). · Probe or tweezers.
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: · Display components (below). · Top case components (page 2-22). · Bottom case components (page 2-23).
2-20
Removal and Replacement
HP OmniBook 7100
Table 2-7. Removing Display Components
Component Display Bezel Removal Procedures Keyboard (page 2-8). Heatsink (page 2-9). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). LCD module (page 2-11). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). LCD module (page 2-11). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). LCD module (page 2-11). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). LCD module (page 2-11). Additional Steps (See figure on page 4-5) Remove the bezel (page 2-11). Reassembly Notes: Install the hinge end caps into the case before attaching the bezel.
Display Bracket, Left, Right, or Top
Display Cable
Reassembly Notes: Make sure the two-wire cable to the inverter PCA is under the main display cable near the hinge opening. Reassembly Notes: Make sure the two-wire cable to the inverter PCA is under the main display cable near the hinge opening. 1. Press the middle of the top bracket away from the latch until it unhooks from the case, then lift out the bracket. 2. Turn the case so the latch is closest to you. 3. Use your thumb to push the latch away from you until it rolls out of the case. This takes some force. Reassembly Notes: Make sure the ends of the spring point up when inserted into the case. Make sure the latch locks in place. 1. Remove the bezel (page 2-11). 2. Lift out the end cap. Reassembly Notes: The mark molded into the cap should be vertical when the display is laying flat. 1. Remove the bezel (page 2-11). 2. Remove the four screws from the bottom corners of the display brackets. Remove the hinges. Reassembly Notes: Install each hinge so the brighter half is attached to the display case. Do not install the outer screw until the bezel is attached. Remove the two screws that hold the PCA.
Display Case
Display Latch
End Cap
Keyboard (page 2-8). Heatsink (page 2-9).
Hinge
Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11).
Icon PCA
Inverter PCA
Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14). Keyboard (page 2-8). Heatsink (page 2-9).
1. Do not remove the display assembly, but remove the bezel as described (page 2-11). 2. Unplug the two cables from the inverter PCA. 3. Remove the screw from the PCA and remove the PCA. Reassembly Notes: Make sure the insulator covers the inverter PCA.
LCD Module
See page 2-11.
HP OmniBook 7100
Removal and Replacement
2-21
Component LCD Shield
Removal Procedures Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). LCD module (page 2-11).
Additional Steps (See figure on page 4-5)
Screw Cover (Display)
Lift off the cover. Reassembly Notes: Do not install a cover on the lower display screws.
Table 2-8. Removing Top Case Components
Component Hinge Cover, Left Removal Procedures Additional Steps (See figure on page 4-6) Open the display fully, then press on the front of the hinge cover until it releases from the top case. Reassembly Notes: Install the flat wall toward the front.
Hinge Cover, Right
Keyboard Speaker
Plug-in module (page 2-3). Keyboard (page 2-8). Heatsink (page 2-9). See page 2-8. Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14).
Touch-pad Cable
Touch-pad PCA
Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14). Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14).
1. On the underside of the top case, remove the screws from the speaker cover and remove the cover. 2. Release the four tabs protruding through the metal plate--you do not need to disconnect the touch-pad assembly. 3. Remove the screws from the edges of the metal plate. Then remove the two screws from the PCA beneath. 4. Lift up the front of the metal plate and two PCAs, then unplug the speaker cable. Reassembly Notes: During assembly, make sure the speaker wires do not affect the touch-pad buttons, and the speaker/touch-pad cable routes through the cutout in the speaker cover. 1. On the underside of the top case, release the four plastic tabs protruding through the metal plate. 2. Release the flex cable from the top case and from the touch-pad PCA.
1. On the underside of the top case, release the four plastic tabs protruding through the metal plate. 2. Release the flex cable from the top case. 3. Release the two snaps along one side of the plastic housing, then lift off the plastic cover and pop out the touch-pad PCA.
2-22
Removal and Replacement
HP OmniBook 7100
Table 2-9. Removing Bottom Case Components
Component Audio Heatsink Removal Procedures Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14). Motherboard (page 2-15). Additional Steps (See figure on page 4-6) 1. Remove the five screws from the PCMCIA shield and remove the shield. 2. On the bottom of the motherboard, remove the four screws that hold the PCMCIA socket. Do not lose the mylar washers. 3. Unplug the PCMCIA socket from the motherboard. 4. Unplug the audio PCA from the motherboard. 5. Lift off the audio heatsink. Reassembly Notes: Be sure the audio heatsink is properly installed before installing the audio PCA. Be sure to install the grounding clip on the PCMCIA screw next to the volume control. On the bottom of the motherboard, remove the screw from the audio jack cover and remove the cover.
Audio Jack Cover
Audio PCA
Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14). Motherboard (page 2-15). Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Heatsink (page 2-9). Display (page 2-11). Top case (page 2-14). Motherboard (page 2-15).
1. Remove the five screws