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
Second source of
Main processor, numeric data processor, L1 and L2 cache. Primary system circuitry.
Optional, additional RAM.
Power storage.
AC adapter socket, power switch, lid switch,
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.
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