HP OmniBook 3000
Product Information
1-11
Table 1-13. Functional Structure
Function
Modules
Roles
Bootup
CPU module
Motherboard
System BIOS IC
Keyboard BIOS IC
Floppy disk drive
Hard disk drive
Main processor (MMO).
Primary system circuitry.
Code for basic system functions.
Code for keyboard functions.
First source of disk-based startup code.
Second source of disk-based startup code.
Processor
CPU module
Motherboard
Main processor, numeric data processor, L1 and L2 cache.
Primary system circuitry.
Memory
Motherboard
RAM boards
First 16 MB of RAM, video RAM.
Optional, additional RAM.
Power
Battery
Motherboard
AC adapter
Power storage.
Power supply, ac adapter socket.
AC-to-dc converter.
Display
Motherboard
LCD module
LVDS PCA
Inverter PCA
Display/graphics controller, video RAM.
Display output, backlight.
Display drivers, signal processing. (Low-Voltage Differential Signaling)
Power converter for backlight.
Hard disk
Motherboard
Hard disk drive
Hard disk controller.
Hard disk mechanism.
Floppy drive
Motherboard
Floppy disk drive
Floppy disk controller.
Floppy disk mechanism.
Keyboard
Motherboard
Keyboard BIOS IC
Keyboard
Keyboard controller.
Keyboard BIOS.
Key switches.
TouchPad
Motherboard
Top case assembly
Keyboard and PS/2 controller.
TouchPad PS/2 device.
Audio
Motherboard
Audio PCA
Top case assembly
Speaker amplifier, external audio jacks.
Audio controller, wave synthesizer, headphone amplifier.
Microphone, speakers.
Serial
Motherboard
I/O controller, serial connector.
Parallel
Motherboard
I/O controller, parallel connector.
Infrared
Motherboard
IR PCA
Icon PCA
I/O controller.
Infrared transmitter/receiver.
Pass-through connection.
PS/2 port
Motherboard
Keyboard and PS/2 controller, PS/2 connector.
USB
Motherboard
USB PCA
I/O controller.
USB power controller, USB connector.
Docking port
Motherboard
Docking logic, docking connector.
PCMCIA
Motherboard
PCMCIA controller, PCMCIA connectors.
Содержание OMNIBOOK 3000
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