HP omnibook 4000 Service Manual
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16
Audio Systems
I/O: Headphone/stereo-out port; microphone port; Stereo-in port
IRQ default setting for soundblaster is 5.
Sound Manufacturer: ESS
Operating
environment
environment
Temperature:
DSTN display models: 41 to 104 degrees F (5 to 40 degrees C)
TFT display models: 50 to 104 degrees F (10 to 40 degrees C)
90% relative humidity at 104 degrees F (40 degrees C) maximum
Storage
environment
environment
Temperature: -40 to 149 degrees F (-40 to 65 degrees C)
90% relative humidity at 149 degrees F (65 degrees C) maximum
Environmental
Testing
Testing
ESD as per IEC-801-2, EN 55024-2
Drop testing: 1 drop flat onto all six faces from .75 meter
Also tests for altitude, magnetic & radiated susceptibility &
interference, shock & vibration.
interference, shock & vibration.
Note: These are the tests that HP designs notebook computers
to meet. Due to normal variations in the components of
individual machines, some machines will perform better and
some won't perform as well. HP does not guarantee that every
notebook computer will meet these specifications.
to meet. Due to normal variations in the components of
individual machines, some machines will perform better and
some won't perform as well. HP does not guarantee that every
notebook computer will meet these specifications.
BIOS
Plug and Play BIOS stored in EEPROM
User Upgradable via floppy drive
A corrupt BIOS that prevents the machine from booting requires a system
board replacement. The BIOS can be corrupted by interrupting the BIOS
upgrade in the middle of the process.
board replacement. The BIOS can be corrupted by interrupting the BIOS
upgrade in the middle of the process.
Software and
Operating
System
Operating
System
Microsoft Windows for Workgroups 3.11
MS-DOS 6.2
Easy upgrade to Windows 95
Laplink Remote Access for easy connection to desktop PC, network printers, and
other OmniBooks
other OmniBooks