HP OmniBook 4100
Product Information
1-13
Table 1-13. Functional Structure
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 board
VGA PCA
First 32 MB of RAM.
Optional, additional RAM.
Video RAM.
Power
Battery
Motherboard
DC-DC PCA
AC adapter
Power storage.
AC adapter socket, power switch, lid switch, system-off switch, power
supply.
Power control circuitry.
AC-to-dc converter.
Display
Motherboard
LCD module
Inverter PCA
LVDS PCA
VGA PCA
PCMCIA/zoomed video controller.
Display output, backlight.
Power converter for backlight.
Display drivers, signal processing. (Low-Voltage Differential Signaling)
Display/graphics controller, video RAM.
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
Keyboard
Touch-pad support
Keyboard controller, pointing stick controller (PS/2 output).
Pointing stick sensor.
Touch pad sensor, controller (PS/2 output).
Audio
Motherboard
Audio jack PCA
Inverter PCA
Speakers
Audio controller, speaker amplifier, headphone amplifier, zoomed video
controller, mute switch.
External audio jacks.
Microphone.
Speakers.
Status
Motherboard
LED strip cable
VGA PCA
Keyboard controller.
Power LEDs.
Keyboard LEDs.
Serial
Motherboard
I/O controller, serial connector.
Parallel
Motherboard
I/O controller, parallel connector.
Infrared
Motherboard
IR PCA
I/O controller.
Infrared transmitter/receiver.
PS/2 port
Motherboard
Keyboard controller, PS/2 processor, PS/2 connector.
USB
Motherboard
Bus controller (South Bridge), USB connector.
Docking port
Motherboard
Docking logic, docking connector.
PCMCIA
Motherboard
PCMCIA socket
PCMCIA controller.
PCMCIA connectors.
Содержание OmniBook 4100
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