HP 4100 manual Functional Structure, Docking port

Bootup

Processor

Memory

Power

Display

Hard disk

Floppy drive

Keyboard

Pointer

Audio

Status

Serial

Parallel

Infrared

PS/2 port

USB

Docking port

PCMCIA

CPU module Motherboard

BIOS IC

Floppy disk module Hard disk drive

CPU module

Motherboard

Motherboard

RAM board

VGA PCA

Battery

Motherboard

DC-DC PCA

AC adapter

Motherboard

LCD module

Inverter PCA

LVDS PCA

VGA PCA

Motherboard Hard disk drive

Motherboard Floppy disk module

Motherboard

BIOS IC

Keyboard

Motherboard Keyboard Touch-pad support

Motherboard

Audio jack PCA Inverter PCA Speakers

Motherboard LED strip cable

VGA PCA

Motherboard

Motherboard

Motherboard

IR PCA

Motherboard

Motherboard

Motherboard

Motherboard PCMCIA socket

Table 1-13. Functional Structure

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.

Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry.

First 32 MB of RAM.

Optional, additional RAM.

Video RAM.

Power storage.

AC adapter socket, power switch, lid switch, system-off switch, power supply.

Power control circuitry. AC-to-dc converter.

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 controller.

Hard disk mechanism.

Floppy disk controller.

Floppy disk mechanism.

Keyboard controller.

Keyboard BIOS.

Key switches.

Keyboard controller, pointing stick controller (PS/2 output). Pointing stick sensor.

Touch pad sensor, controller (PS/2 output).

Audio controller, speaker amplifier, headphone amplifier, zoomed video controller, mute switch.

External audio jacks. Microphone. Speakers.

Keyboard controller.

Power LEDs.

Keyboard LEDs.

I/O controller, serial connector.

I/O controller, parallel connector.

I/O controller.

Infrared transmitter/receiver.

Keyboard controller, PS/2 processor, PS/2 connector.

Bus controller (South Bridge), USB connector.

Docking logic, docking connector.

PCMCIA controller.

PCMCIA connectors.

HP OmniBook 4100 Product Information 1-13