HP ZT1100 - Manual (Page 21)

HP Pavilion zt1100/xz100 Omnibook xt1000 Product Information 1-15
Table 1-6. Functional Structure
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.