Table 1-6. Functional Structure HP Pavilion zt1100/xz100 Omnibook xt1000 Product Information 1-15 Function Components Used Component Roles Bootup CPU module Motherboard Hard disk drive CD/DVD drive module Main processor. Primary system circuitry. 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 SDRAM module Video RAM (shared). Changeable RAM (2 slots). Power Battery Motherboard Keyboard cover switch PCA AC adapter Power storage. Power control circuitry, AC adapter socket, lid switch, reset switch, power supply. Power button.
AC-to-DC converter. Display Motherboard Display assembly Video controller, display drivers, LVDS processing, display/graphics controller. Display output, backlight, power converter for backlight. Hard disk Motherboard Hard disk drive Hard disk controller. Hard disk mechanism. Keyboard Motherboard Keyboard Keyboard cover CD player PCA Keyboard controller, keyboard BIOS. Key switches. One-Touch buttons. CD player buttons. Touch pad Motherboard Top case Keyboard BIOS. Touch/scroll pad sensors, click buttons. Audio Motherboard Display assembly USB PCA Volume control PCA Speakers Audio controller, audio decoder, speaker amplifier, external microphone jack. Microphone. Headphone jack.
Volume control. Sound output. Status Motherboard Top case Keyboard cover switch PCA CD player PCA LED circuitry, keyboard controller. Status LEDs. Status LEDs. CD/DVD status display. Parallel Motherboard I/O controller, parallel connector. USB Motherboard USB PCA Bus controller, USB connectors. USB connectors. PCMCIA Motherboard PCMCIA sockets PCMCIA controller. PCMCIA connectors. Infrared Motherboard CD player PCA I/O controller. Infrared transmitter/receiver. Wireless Display assembly Motherboard Mini-PCI PCA Bluetooth PCA USB PCA Antennas, on-off button, indicator light. I/O controller. Radio PCA circuitry. Radio PCA circuitry. On-off button, indicator light.
Docking Motherboard Docking logic, docking connector. PC card Motherboard PC card controller, PC card connector.