Table
Function
Bootup
Processor
Memory
Components Used
CPU module Motherboard Hard disk drive CD/DVD drive module
CPU module
Motherboard
SDRAM module
Component Roles
Main processor.
Primary system circuitry.
First source of
Second source of
Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry.
Video RAM (shared).
Changeable RAM (2 slots).
Power
Display
Hard disk
Keyboard
Touch pad
Audio
Status
Parallel
USB
PCMCIA
Battery
Motherboard
Keyboard cover switch PCA AC adapter
Motherboard
Display assembly
Motherboard
Hard disk drive
Motherboard
Keyboard
Keyboard cover
CD player PCA
Motherboard
Top case
Motherboard
Display assembly
USB PCA
Volume control PCA
Speakers
Motherboard Top case
Keyboard cover switch PCA CD player PCA
Motherboard
Motherboard
USB PCA
Motherboard
PCMCIA sockets
Motherboard
Power storage.
Power control circuitry, AC adapter socket, lid switch, reset switch, power supply.
Power button.
Video controller, display drivers, LVDS processing, display/graphics controller.
Display output, backlight, power converter for backlight.
Hard disk controller.
Hard disk mechanism.
Keyboard controller, keyboard BIOS.
Key switches.
CD player buttons.
Keyboard BIOS.
Touch/scroll pad sensors, click buttons.
Audio controller, audio decoder, speaker amplifier, external microphone jack.
Microphone. Headphone jack. Volume control. Sound output.
LED circuitry, keyboard controller.
Status LEDs.
Status LEDs.
CD/DVD status display.
I/O controller, parallel connector.
Bus controller, USB connectors.
USB connectors.
PCMCIA controller.
PCMCIA connectors.
SD/MMC controller
SD/MMC connector
Infrared
Wireless
Docking
PC card
Motherboard CD player PCA
Display assembly Motherboard
Motherboard
Motherboard
I/O controller.
Infrared transmitter/receiver.
Antennas,
Radio PCA circuitry. Radio PCA circuitry.
Docking logic, docking connector.
PC card controller, PC card connector.
Technology Code ID) | Product Information |