HP OmniBook 5500 PC User manual

This guide is for experienced HP Response Center
personnel, CEs, and reseller technicians. That is,
personnel that 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 training guide designed to train you to
install configure, and repair the OmniBook Notebook
PC. You can follow it without having any equipment
available.
Microsoft, MS, and MS-DOS are registered trademarks
and Windows is a trademark of Microsoft Corporation.
LapLink Remote Access is a trademark of Traveling
Software, Inc. System Soft is a registered trademark
and CardView, CardSoft, and CardID are trademarks
of SystemSoft Corporation.
1
HP OmniBook 5500CS/CT
Familiarization Guide
Click on this frame to insert a graphic in this area.

Table of Contectnsontents
43
Final Quiz .......................................................................................................... .........
39
Troubleshooting and Repair ............................................................................... .........
38
Disk Configuration ............................................................................................... .........
37
Input/Output Configuration ................................................................................... .........
36
System Configuration ........................................................................................... .........
35
Power Configuration ............................................................................................ .........
34
Power Screen ...................................................................................................... .........
33
Main Configuration Screen ................................................................................... .........
33
Configuration and Setup .................................................................................... .........
32
Removal of Motherboard (PCA PT-586 with I/O Bracket), HDD PCB Bracket,
HDD-FPC Flex, FFC Cable T/B to M/B 10 Pin, Bezel, IR Lens, and PCMCIA
buttons. ..............................................................................................................
.........
31
Removal of KBD Shielding Plate ........................................................................... .........
30
Removal of the Heat Pipe Bracket, Heat Pipe, Heat Pipe Spreader, CPU Module, and
Heat Sink ............................................................................................................ .........
28
Removal of Upper Chassis Case and Icon PCA (PCA PT-ICON) ............................. .........
28
Removal of Keyboard and Power Supply Board (PCA PT-DC) ................................. .........
27
Removal of Palmrest Assy and Sub Battery Set (4.8V) ............................................. .........
26
Removal of HDD Drive, FDD Module, CD-ROM Assy, Enhanced Li-Ion Battery,
Standard Li-Ion Battery, Printer Port Door, Expansion Door, and I/O door ............... .........
24
Removal and replacement of Rubber Feet, Plastic Feet, HDD Door, Memory Cover
Door, and RAM Expansion Module. ...................................................................... .........
24
Replacing Disp Panel Plastic, Disp Cover Plastic, Hook, and Hook Button ................. .........
21
Removing LCD Assy and Icon Assy ...................................................................... .........
21
Notebook Hardware Structure ........................................................................... .........
7
OmniBook 5500 Series: Product Features ........................................................... ...........
3
OmniBook Product Comparisons ....................................................................... ...........
2

OmniBook
Product Comparisons
v10.3-diagonal DSTN
(up to 256 colors) or
v10.4-inch diagonal
TFT (up to 65,536
colors)
vVGA: 640 x 480
vLocal bus video;
1-MB display RAM
vSVGA-out supports
VGA & SVGA monitors
(up to 1024 x 768 x
256 colors)
•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
vSVGA-out supports
VGA & SVGA monitors
(up to 1024 x 768 x
256 colors)
•10.4 and 12.1 - inch
diagonal TFT:
• SVGA (CTS): 800 x
600 x 64K colors
(TFT)
11.3 - inch diagonal
DSTN:
SVGA: 800 X 600 X
256 colors
•PCI local bus video;
1-MB video RAM
vSVGA-out supports
VGA & SVGA monitors
(up to 1024 x 768 x
256 colors)
Display
No L2 cachesome models include:
256-KB external L2
cache
256-KB external L2
cache
Cache
ISA bus32-bit PCI bus32-bit PCI bus
Bus Architecture
v50-, 75-, or 100-MHz
Intel 486DX2
•75-, 90-, or 120-MHz
Intel Pentium
processor
•100-, 120-, and
133-MHz Intel Pentium
processor
Processor
vDSTN (C): 3.13 kg
(6.9 lb)
vTFT (CT): 3.27 kg
(
7.2
lb
)
•3.08-3.18 kg (6.8-7 lb)•3.4 kg (7.5 lb)
Weight
v29.5 x 22.6 x 4.9 cm
(11.6 x 8.9 x 1.93 in)
•29.5 x 22.6 x 4.9 cm
(11.6 x 8.9 x 1.93 in)
•29.5 x 22.5 x 5.2 cm
(11.6 x 8.8 x 2.05 in)
Size Closed
HP OmniBook 4000HP OmniBook 5000HP OmniBook 5500
3

v16-bit, Sound
Blaster-compatible
vStereo sound via two
built-in stereo speakers
•16-bit with Sound
Blaster and MIDI
support
•Stereo sound via two
built-in speakers
•16-bit with Sound
Blaster Pro compatible
and MIDI support
•Stereo sound via two
built-in speakers
Audio
v4-, 8-MB, or 16-MB
RAM models
vupgradable to 32 MB
v8- or 16-MB Models
•upgradable to 64 MB
•8-, 16-, or 32-MB
RAM cards
v8 or 16-MB Models
•upgradable to 64 MB
•8-, 16-, or 32-MB
RAM cards
RAM
v260-, 340-, 520-, or
810-MB hard disk
options
•540-MB, 810-MB, or
1.2-GB hard disks
•810-MB, 1.35-GB,
2.0GB hard disks
Mass Storage
vFloppy disk drive
(can be replaced with
a second battery for
double battery life)
vHard disk drive
vRAM
vBattery
•Floppy disk drive (can
be replaced with a
second battery for
double battery life)
•Hard disk drive
•RAM
•Battery
•Floppy disk drive
internal/external (can
be replaced with a
second battery CD
ROM drive)
•Hard disk drive
•RAM
•Standard Battery
Removable Modules
v14.4 Vdc
rechargeable NiMH
battery pack
vBattery life
(approximate):
3-4 hrs on DSTN
DX2/50
2-3 hrs on TFT
DX4/100
vAC adapter 100 to
240 Vac (50 to 60 Hz)
input; 21 Vdc,1.35 A
output
Suspend-resume
power management.
•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-to-work state for
weeks on a full charge;
returns you to your
application or file
instantly
•14.4Vdc
Rechargeable
Lithium-Ion battery
•Battery life
(approximate with one
battery LiIon): 2 to 3
hrs
•Battery (LiIon)
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-to-work state for
weeks on a full charge;
returns you to your
application or file
instantly
Power
HP OmniBook 4000HP OmniBook 5000HP OmniBook 5500
4

vOne Type III
PCMCIA slot (or use
as two Type II slots)
vEnhanced 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) with
3.3-V or 5-V support
vOptional docking
system with two
ISA-based slots, or
one ISA and one PCI
slot, parallel, serial,
SVGA-out (up to 1024
x 768 x 256),
keyboard, PS/2
mouse, MIDI/joystick,
and audio
.
•One Type III PCMCIA
slot (or use as two
Type II slots) with
3.3-V or 5-V support
vOptional docking
system with two
ISA-based slots, or
one ISA and one PCI
slot, parallel, serial,
SVGA-out (up to 1024
x 768 x 256),
keyboard, PS/2
mouse, MIDI/joystick,
and audio.
Expandability
v9-pin, 115,200 - b/s,
RS-232 port
v25-pin EPP and ECP
parallel port
vSVGA-out (up to
1024 x 768 x 256)
v115,200 - baud,
bi-directional infrared
vExpansion bus
connector
vKeyboard/mouse port
v
Headphone/stereo-out
port
vMicrophone port
vStereo-in 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); 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
•Stereo-in and
microphone ports
•MIDI/joystick
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); VGA-out
(640 x 480 x 16M
colors)
• Fast-IR-IRDA
compliant @ 4Mbps
•Expansion bus
connector
•NTSC/PAL video-out
port (RCA and SVideo)
•Keyboard/mouse port
•Headphone/stereo-out
port
•Stereo-in and
microphone ports
•MIDI/joystick port
Input/Output
HP OmniBook 4000HP OmniBook 5000HP OmniBook 5500
5

vUser password
vKensington lock slots
•2-level password
protection
•PC ID (tattooing)
•Kensington lock slots
• 2-level password
protection
• PC ID (tattooing) and
serialization
• Drive lock
•
Kensington
lock slots
Security Features
vMicrosoft Windows
for Workgroups 3.11
vMS-DOS 6.2
vLaplink Remote
Access™
vEasy connection to
your desktop PC,
network and desktop
printers; works via
cable or infrared.
•Microsoft Windows 95
or
vMicrosoft Windows
for Workgroups 3.11 *
•MS-DOS 6.22
•Plug and Play BIOS
•HP PIM
•Microsoft Windows 95
or
vMicrosoft Windows
for Workgroups 3.11 *
•MS-DOS 6.22
•Plug and Play BIOS
•HP PIM
Pre-installed Software
HP OmniBook 4000HP OmniBook 5000HP OmniBook 5500
6

OmniBook 5500 Series: Product Features
This is a complete list of all the standard OmniBook 5500 models now available.
Factory special options are not included in this listing. New models will continue to
be introduced.
Please refer to the Hewlett-Packard Corporate Price List for currently available
models and options.
Models
HP OmniBook 5500 notebook PCs feature industry leading performance with the
powerful combination of Pentium processors and a true PCI bus for professionals
who need
Pentium
desktop-to-go performance.
Description
F1329AP-100, PCI BUS, 810MB HDD, 8MB RAM,
LiIon Battery, 11.3" SVGA DSTN Display,
One year warranty.
HP OmniBook 5500CT
F1328AP-100, PCI BUS, 810MB HDD, 8MB RAM,
LiIon Battery, 10.4" SVGA TFT Display,
One year warranty.
HP OmniBook 5500CT
F1327AP-100, PCI BUS, 1.35GB HDD, 8MB RAM,
LiIon Battery, 11.3" SVGA DSTN Display,
One year warranty.
HP OmniBook 5500CS
F1326AP-100, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 11.3 " SVGA DSTN Display,
One year warranty.
HP OmniBook 5500CS
F1325AP-120, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 11.3" SVGA DSTN Display,
One year warranty.
HP OmniBook 5500CS
F1324AP-120, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 10.4" SVGA TFT Display,
One year warranty.
HP OmniBook 5500CT
F1323AP-120, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 10.4" SVGA TFT Display,
One year warranty.
HP OmniBook 5500CT
F1322AP-120, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 12.1" SVGA TFT Display,
Three year warranty.
HP OmniBook 5500CT
F1321AP-133, PCI BUS, 1.35GB HDD, 16MB RAM,
LiIon Battery, 12.1" SVGA TFT Display,
Three year warranty.
HP OmniBook 5500CT
F1320AP-133, PCI BUS, 2.0GB HDD, 16MB RAM,
LiIon Battery, 12.1" SVGA TFT Display,
Three year warranty.
HP OmniBook 5500CT HP Part #DescriptionProduct
7

F1189ADocking system. Includes 2 full-length ISA slots, parallel, serial,
SVGA-out, keyboard, PS/2 mouse, audio, MIDI/Joystick, SCSI-2 ports,
supports PnP and hot docking. Motorized docking to ensure solid
dock. Docking system only for the
OmniBook
5000
F1064A
Automobile Adapter
F1338A
External Battery Charger (Charges up to two batteries concurrently)
F1194A
Enhanced
LiIon
Battery Pack Module
F1193A
Standard
LiIon
Battery Pack Module
F1073A
NiMH
Battery Pack Module
F1044B
AC Adapter
F1319A
Quad-speed CD-ROM drive
F1195A
3.5 inch Internal/External Floppy Drive Module
F1192A
1.35 GB Hard Disk Drive
F1191A
810-MB Hard Disk Drive
F1136A
32-MB RAM expansion card
F1135A
16-MB RAM expansion card
F1134A
8-MB RAM expansion card
Part #DescriptionAccessories
wIntel Pentium, 100 MHz w/16K internal cache and 256K L2 synchronous burst
cache
Microprocessor
wOmniBook 5500 mainframe
wBattery pack
wRecovery CD ROM
wAC adapter (P//N: F1044B), localized power cord
wUser documentation: Quick Start Guide, support documentation,
registration form
wBrochures for OmniBook accessories and Deskjet 320
What comes in the
box
w133MHz Pentium CPU
wInternal CD ROM Option - 4X Toshiba or Teac drive
wInternal floppy drive can also be used externally using built in cable
wIBM Tracpoint III pointing device replaces the track ball.
wChips and Technologies Inc. (65548) from the 65545 PCI bus VGA Controller with
1 MB of display RAM
wSVideo Output Port
wLarger display options (12.1" TFT SVGA and 11.3" STN SVGA)
wVLSI 82C147 fastIR controller and HP-OED FastIR optical module.
wSecond battery is a "super" battery and has 150% of the capacity of the standard
battery.
OmniBook 5500
enhancements over
the OmniBook
5000.
8

wCycle time: 70 ns
wRAM Manufacturer: Multiple Vendors: NEC, Samsung, etc.
wExpansion Memory Board Options:
8-MB RAM, p/n: F1134A
16-MB RAM, p/n: F1135A
32-MB RAM, p/n: F1136A
wType of memory boards: HP Proprietary Daughter boards, 2 user
accessible slots on the bottom case.
w0MB on Board
wMax Possible RAM: 64MB
w
6-3-3-3 burst hit, self refreshed
Memory and Memory
Slots
PCI (Peripheral Component Interconnect)
Bus Architecture
wIntel Pentium, 133 MHz w/16K internal cache and 256K L2 synchronous burst
cache
wIntel Pentium, 120 MHz w/16K internal cache and 256K L2 synchronous burst
cache
64MB
32MB
32MB
48MB
32MB
16MB
32MB
16MB
16MB
24MB
8MB
16MB
16MB
--
16MB
40MB
32MB
8MB
24MB
16MB
8MB
16MB
8MB
8MB
8MB
--
8MB
Total RAMMemory Slot 2Memory Slot 1Possible Memory
Configurations:
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.
wHard drive manufacturer: Toshiba (Subject to change. IBM and Maxtor are being
looked at as possible
second sources.)
Mass storage
13 ms13 ms13 msAverage seek
(read)
MR (Magneto
Resistive)
MR (Magneto
Resistive)
MR (Magneto
Resistive)
Heads
PRML (Partial
Response
Maximum
likelihood)
PRML (Partial
Response
Maximum
likelihood)
PRML (Partial
Response
Maximum
likelihood)
Recording
Method
ATA2
Interface
ATA2
Interface
ATA2
Interface
2.0GB1,350MB810 MB2.5" Hard
Drive
9

5
3
2
Disks
10
6
4
Data Heads
135135135User
sectors/Trac
k at zone 0
3,6603,6603,660User
Cylinders
88Recording
Zones
512 Bytes
512 Bytes
512 Bytes
Sector Size
Configuration:
1.0E-14 bits
transfer
1.0E-14 bits
transfer
1.0E-14 bits
transfer
Unrecoverab
le errors
300,000 hours300,000 hours300,000 hoursMTBF:
Power-on
Hours
Reliability:
3 sec3 sec3 secSpindle start
time
64KB (read and
write segmented
buffer)
64KB (read and
write segmented
buffer)
Buffer size
16.6Mbytes/sec
16.6Mbytes/sec
16.6Mbytes/sec
Buffer to host
38 (inner), 56.0
(Outer) Mbits/sec
38 (inner), 56.0
(Outer)
Mbits/sec
38 (inner), 56.0
(Outer) Mbits/sec
Media Transfer
rate
4200 rev/m4200 rev/m4200 rev/mRotational
speed
6.1 ms6.1 ms6.1 msAverage
latency
25 ms
25 ms
25 ms
Full Track
3 ms3 ms3 msTrack to track
seek
2.0GB1,350MB810 MB2.5" Hard
Drive
Note: 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 removed.
10

wStereo-in port
wMicrophone port
wHeadphone/stereo-out port
wKeyboard/mouse port
w2 NTSC/PAL ports: 1 RCA, 1 S-Video
wExpansion Bus Connector for connecting to the docking station
(includes PCI, AT bus and multimedia signals.
wFast-IR-IRDA compliant @ 4 Mbps
wSVGA out (up to 1024 x 768 x 256 colors) with simultaneous viewing
VGA out (640 x 480 x 16M colors)
w25 pin bi-directional ECP, EPP, and external FDD autosense parallel
port
w9-pin, 115,000-b/s RS-232 port, UART 16550
Built-in I/O
wFloppy Disk Drive:
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 or
with CD ROM Module. The Floppy Disk Drive Modeul has a built in
cable that allows the module to be used externally (through the
parallel port) as well. This allows the Floppy Disk Drive and the CD
ROM to be used at simultaneously.
Manufacturer: Teac
wCD ROM
Internal 4X CD ROM, IDE (ATAPI standard). Unlike the Floppy
Disk Drive Module, the CD ROM Module can not be used
externally.
Manufacturer: Toshiba
Specs:
Transfer Rate: 600K sustained (Burst 8.ssMB/s - Mode3)
Buffer: 128K
Access: 200ms
Seek: 170ms
Modes: CDROM (Mode 1&2), Photo CD, CD Plus, CDXA, CD-I,
Multisession
wLiIon Battery Module
The large LiIon Battery Module has 150% of the capacity of the
standard LiIon battery. It installs in the center bay. This module is
approved as a component by UL, CSA, and TUV.
Center Bay Modules
11

wMIDI/joystick port
1-MB display RAM
EDO
1-MB display RAM
EDO
1-MB display RAM
EDO
Memory
32-bit PCI bus32-bit PCI bus32-bit PCI busVideo bus, display
RAM
640 x 480, 256 or
64K colors @ 60Hz.
Refresh: 160ms (8
bit)
800 x 600 x 64K
colors @ 60HZ
(18 bit)
800 x 600 x 64K
colors @ 60HZ
Refresh: 90ms (18
bit)
Resolution
11.3 inches diagonal12.1 inches
diagonal
10.4 inches
diagonal
Size
DSTN Display
Dual Scan
Twisted Nematic
TFT SVGA
Display
Active Matrix
TFT SVGA
Display
Active Matrix
Display/Video
wDisplay Manufacturer: Hitachi
wVideo graphics controller chip: Chips and Technologies CT 65548
wExternal video resolution (both types): Supports VGA/SVGA
external monitors with up to 1024 x 768 x 256 colors in noninterlaced
mode. Resolution options:
75HZ
256
1024 x 768
60Hz
64K
1024 X 768
75Hz
256
800 X 600
60Hz
64K
800 x 600
75HZ
64K
640 X 480
60Hz
16M
640 x 480
Refresh
Maximum colors
Resolution
1. The unit should be viewed in the customer's normal operating condition.
Here are some guidelines to use in determining what action to take on a customer
complaint of cosmetic imperfection in their
TFT
display:
TFT displays may have a small number of cosmetic imperfections and still conform
to the display manufacturers cosmetic quality specifications.
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.
This issue is common across all vendors supplying TFT displays in their products and
is not specific to the HP
OmniBook
display.
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.
TFT Display Quality
Note: Includes option to simultaneously display external video and
notebook display.
wDSTN Displays do not support panning modes for 1024 X 768
external and 800 X 600 internal.
wAuto detection of external monitor without rebooting
Display/Video
12

wStandard Battery types: Removable 14.4-Vdc rechargeable NiMH
and Lithium Ion battery. Both battery types do not require complete
discharge before recharging. There is no "memory" effect that
reduces battery life.
wLarge Battery types: Removable 14.4-Vdc rechargeable NiMH and
Lithium Ion battery. Both battery types do not require complete
discharge before recharging. There is no "memory" effect that
reduces battery life.
wThe OmniBook 5500 batteries are not compatible with previous
OmniBooks (5000 or 4000).
Power
wKeyboard: 85/86-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
and/or mouse connection. OmniBook 5500 supports the Y connector to
use both the keyboard and mouse. (HP external keyboard (101-key)
Part number C3756A)
wPointing device: IBM Trackpoint III in GBH position.
wOptional pointing devices: Includes 6-pin mini-DIN interface for
external PS/2 mouse connection. Also supports serial mouse
connection.
User interface
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.
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.
TFT Display Quality
(continued)
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.
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.
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/5500CT models, if more than 15 total
pixels anywhere on the display are bad, then the display should be considered for
replacement.
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.
2. In the customer's normal operating mode:
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.
10 days
2 - 3
hrs
Standard
LiIon
Suspend to RAMRun ModeBattery TypeBattery Life; rundown
data (approx.):
13

14 days
3 - 5
hrs
Large
LiIon
Suspend to RAMRun ModeBattery TypeBattery Life; rundown
data (approx.):
HP # F1193A
Standard LiIon
battery pack
HP # F1064 - same as OmniBook 600 and 5000
Automobile adapter
w
HP part number: HP #
F1338A
wSize: 15.5 x 13.3 x 5.2 cm (estimated), no weight estimate at this date
wDesigned for desktop use. Powered by the F1044B adapter
wCharges two additional batteries
External battery
charger
wAfully charged NiMH battery in storage will loose 20% of its charge per month in
storage.
wThe OmniBook 5500 includes a "fake" off mode while docked. This enables the
user to turn off the OB5500 while docked and not loose any connectivity (such as to
a network). Basically, this mode shuts down the display only and maintains all
power to ports and the CPU.
wPower management options: Advanced; Standard; Off; Custom.
wAC Adapter: 100 to 240 Vac adapter (50 to 60 Hz) input; 12 Vdc, 2.5
A output. Same adapter as the OB600 (F1044B). Use only an HP
F1044B 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.
wEnergy S.T.A.R. compliant
wSmart Battery: The OmniBook 5500 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 condition can be checked using two
methods that receive information from the BIOS (CONFIGURATION
[fn][f2], Windows Control Panel Power).
wInstant on: Maintains OmniBook in ready-to-work state for days or
weeks on a full charge; when turned on it returns instantly to previous
state. No waiting for restoring from disk. Accomplished by the use of
self refreshed DRAM technology. Note: The OmniBook 5500 utilizes
the same technology as the OmniBook 5000 and 600 to achieve the
instant on feature.
wLow battery signals: 2-minute low battery warning. Unit will shut
down if battery warning ignored to ensure data retention.
Power
Note: If unit has 1 standard LiIon and 1 large LiIon: 4 hrs +5 hrs = 9
hrs.
wRecharge time (Display off): 4hrs (Standard Li-Ion), 5hs (Lrge
Li-Ion)
wRecharge time (Display on): 5.3hrs (Standard Li-Ion), 6.7 hrs (Large
Li-Ion)
14

wESD as per IEC-801-2, EN 55024-2
wDrop testing: 225g, 3ms half sine wave shock: 6 axis, 3 hits per
side.
wAlso 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 garantee that every notebook computer will meet
these specifications.
Environmental
Testing
wTemperature: -40 to 149 degrees F (-40 to 65 degrees C)
w
90% relative humidity at 149 degrees F (65 degrees C) maximum
Storage environment
w
90% relative humidity at 104 degrees F (40 degrees C) maximum
TFT display models: 50 to 104 degrees F (10 to 40 degrees C)
DSTN display models: 41 to 104 degrees F (5 to 40 degrees C)
wTemperature: 0 to 35o C (32 to 95o)
Operating
environment
wAudio controller characteristics:
sampling: 8-48kzh
playback rate: 8-48kzh
distortion: maximum is 0.02% although you need to consider the type of external
speakers using as these can be a factor in the distortion created.
w
Audio controller and Manufacturer: CS4232, Crystal
w
IRQ default setting for soundblaster is 5.
w
I/O: Headphone/stereo-out port; microphone port; Stereo-in port
w
Two stereo speakers with acoustic chambers
wHigh performance audio: 16-bit stereo sound, Sound Blaster hardware compatible.
Supports Native Signal Processing
(NSP)
and is Plug and Play compatible.
Audio Systems
wBus: Intel QuickSwap (ExCa)
wThe PCMCIA slots are fully industry compatible and supports the
latest SystemSoft Card Services and Socket Services. The system
will support a wide variety of PCMCIA cards.
wPCMCIA controller chip manufacturer: Cirrus Logic (CL-PD6729).
Note: This is fully compatible with the Intel 365 chip). Cirrus Logic is
the original company that developed the PCMCIA controller and is
considered the best in the industry.
wUser available PCMCIA Slots: 2 Type II or 1 Type III
Accessory Slots
HP # F1044B
Extra AC adapter
HP # F1194A
Enhanced LiIon
battery pack
15

wPhysical security from Kensington Lock
w
2 - level password protection
(admin
and user levels), PC ID (tattooing)
Security
wMS DOS version 6.22*
wMicrosoft Windows for Workgroups 3.11*
wMicrosoft Windows 95*
wMicrosoft NT workstation 3.51**
wOS/2 version 3.0**
* Supported to the application level.
**
Only setup and configuration supported.
Supported Operating
Systems
ww Microsoft Windows for Workgroups 3.11 or Windows 95
The HP OmniBook 5000/5500 family comes co-loaded with Windows for Work
Groups and Windows 95. The user selects the operating system of choice
and the other is auto deleted.
w
MS-DOS 6.2
Software and
Operating System
ww Plug and Play BIOS stored in EEPROM
ww User Upgradable via floppy drive
ww A corrupt BIOS that prevents the machine from booting requires a Motherboard
replacement. The BIOS can be corrupted by interrupting a BIOS upgrade during the
update process.
BIOS
16

The password descramble programs for the HP OmniBook PCs are protected as HP
Company Private information. They may not be copied, backed-up, printed or
distributed. There are only six official copies of each program.
In addition to protecting the program itself, it's use is also controlled.
Hewlett-Packard and authorized support providers must ensure with written evidence
that the OmniBook that is being "descrambled" is actually in the hands of the unit's
actual and current owner. This requires a sales receipt showing the unit serial
number and owner's name, or a written statement from the owner attesting that they
are the owner of the unit. The statement can be a FAX copy of the document. The
fact that the unit is in the hands of an HP representative on the behalf of the
customer is not evidence of ownership. In addition, HP will not descramble a unit for
any non-owner, even if it involves law enforcement agencies. If you receive such a
request, you should notify management and HP Corporate Legal immediately.
(These requests may require a court order prior to our participation.)
Further, you must log the name, serial number and date of the running of the
descramble program, and file the written backup with the log. The log and backup is
subject to standard record's retention process and review.
The final issue relating to descramble of passwords is that HP cannot provide
information to users that would assist them in improperly descrambling a password
and opening a unit.
Password Decode
Policy
If the user forgets the system password, there is a master password that will unlock
the OmniBook. The user calls Technical Support to determine this master password
as follows:
1. Support will tell the user the keys to type at the password entry screen ?
2. The OmniBook generates and displays an encoded master password. This is
displayed under the normal password entry area. At this point, this is the only
password that will unlock the OmniBook unless the user presses [ESC] to remove the
encoded master from the password entry screen. Then the user's stored password
can be entered.
3. The user reads the encoded master password to Support.
4. Support runs a program that decodes the encoded password, and reads the
decoded password (alphanumeric) to the user.
5. The user types in the decoded password.
6. OmniBook decodes the encoded master password it generated and compares it to
the decoded password typed in by the user.
7. If the two passwords match, the OmniBook is unlocked. The forgotten password is
automatically erased. Support can then guide the user through the process of
entering a new password.
8. If the two passwords do not match, the previous sequence must be repeated until
the user correctly enters a master password.
The encoded master password is an eight-character alphanumeric sequence that the
OmniBook generates at random every time the appropriate keys are pressed in the
password entry screen. Because it is generated randomly, a master password can
only be used to unlock the OmniBook once. If the user forgets the password at
another time, it will require another call to Support. (If the user presses the
appropriate keys by mistake, pressing [ESC] will allow entering the stored password.)
Password Decode
17

Notebook Hardware Structure
The following guidelines apply to all subassembly level repairs
wProperly ground yourself and your work area to prevent damage from static discharge
wAlways replace any conductive sponge material or thermal tape that becomes damaged during repairs.
wUse a #0 Phillips screwdriver to remove all screws
Field Replaceable Assemblies
Removing LCD Assy and Icon Assy (Hewlett-Packard Authorized Service Providers Only)
The LCD Assy and/or Icon Assy on the OmniBook 5500CS and CT are removed the same way as on the OmniBook 5000. Turn the unit over,
raise the feet, and withdraw the two Phillips screws (screw - display) from under the feet in the bottom back corners of the unit (see diagram
below which shows the OmniBook 5000).
18

Turn the unit right side up and dislodge the Icon Assy by placing the thumbs on each edge of the Assy and pushing lightly (see diagram below
which also shows the OmniBook 5000). The front edge of the Icon Assy will lift up slightly.
19

Lift the LCD Assy straight up about 1 inch. The Icon Assy will lift up with the display. Move the Icon Assy out of the way. The cable from the
Icon Assy to the PCA PT-ICON does not need to be removed if only the LCD Assy is being removed. Otherwise, slide the connector sleeve up to
remove the Icon Assy cable.
If only the Icon Assy is to be removed, the LCD Assy may be lowered back into position.
To remove the LCD Assy, remove the two cables attaching the LCD Assy to the PCA PT-ICON . Lastly, remove the two screws attaching the
grounding straps to the PCA PT-ICON. The LCD Assy can now be removed the rest of the way.
Notice that the display cabling assembly on the OmniBook 5500 is different than on the OmniBook 5000. The LCD Assy is not transferable
between the two models.
To reinstall the LCD Assy or Icon Assy, just reverse the above procedure. When reinstalling the LCD Assy, make sure that the two posts on
either side of the Assy line up parallel with their slots in the top case. If they are not parallel, the post will get caught inside the top case
before the display is seated completely. If this happens, remove the display and line the posts up properly.
20
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