HP book XE2 manual Functional Structure, Docking port

Bootup

Processor

Memory

Power

Display

Hard disk drive

Floppy disk 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

RAM board

Battery

Motherboard

AC adapter

Motherboard

LCD module

Inverter PCA

Motherboard Hard disk drive

Motherboard Floppy disk module

Motherboard

BIOS IC

Keyboard

Motherboard

Touch pad

Motherboard

LED PCA

Speakers

Motherboard

LED PCA

Motherboard

Modem PCA

Motherboard

Modem PCA

Motherboard

LED PCA

Motherboard

LED PCA

Motherboard

LED PCA

Motherboard

Motherboard PCMCIA socket

Table 1-10. 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.

Optional, additional RAM.

Power storage.

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

AC-to-DC converter.

PCMCIA/zoomed video controller.

Display output, backlight.

Power converter for backlight.

Hard disk controller.

Hard disk mechanism.

Floppy disk controller.

Floppy disk mechanism.

Keyboard controller.

Keyboard BIOS.

Key switches.

Keyboard controller.

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

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

External audio jacks. Speakers.

Keyboard controller.

Power 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 XE2 Product Information 1-13