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HP OmniBook 7100 Product Information 1-13
Table 1-13. Functional Structure
Function Modules Roles
Bootup
CPU module
Motherboard
BIOS IC
Floppy disk module
Hard disk drive
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.
Processor
CPU module
Motherboard
Main processor, numeric data processor, L1 and L2 cache.
Primary system circuitry.
Memory
Motherboard
RAM boards
Video PCA
First 32 MB of RAM.
Optional, additional RAM.
Video RAM.
Power
Battery
DC-DC PCA
Motherboard
Icon PCA
AC adapter
Power storage.
Power supply.
AC adapter socket, system-off switch.
Power switch, lid switch.
AC-to-dc converter.
Display
Motherboard
LCD module
Inverter PCA
LVDS PCA
Video PCA
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
Motherboard
Hard disk drive
Hard disk controller.
Hard disk mechanism.
Floppy drive
Motherboard
Floppy disk module
Floppy disk controller.
Floppy disk mechanism.
Keyboard
Motherboard
BIOS IC
Keyboard
Keyboard controller.
Keyboard BIOS.
Key switches.
Pointer
Motherboard
Pointer-control PCA
Keyboard
Top case
Keyboard controller.
Pointing stick controller (PS/2 output).
Pointing stick sensor.
Touch pad sensor, controller (PS/2 output).
Audio
Motherboard
Audio PCA
Icon PCA
Top case
Speaker amplifier, external audio jacks, headphone amplifier, zoomed
video controller, volume knob.
Audio controller, wavetable.
Microphone.
Speakers.
Status
Motherboard
Icon PCA
Front-IR PCA
Keyboard controller.
Status panel.
Front LEDs.
Serial
Motherboard I/O controller, serial connector.
Parallel
Motherboard I/O controller, parallel connector.
Infrared
Motherboard
Icon PCA
Front-IR PCA
I/O controller.
Back infrared transmitter/receiver.
Front infrared transmitter/receiver.
PS/2 port
Motherboard
Pointer-control PCA
Keyboard controller, PS/2 connector.
PS/2 processor.
USB
Motherboard Bus controller (South Bridge), USB connector.
Docking port
Motherboard Docking logic, docking connector.
PCMCIA
Motherboard
PCMCIA socket
PCMCIA controller.
PCMCIA connectors.