Table of Contents
Bootup
CPU module
Motherboard
Hard disk drive
Floppy drive
Processor
CPU module
Motherboard
Motherboard
Memory
SDRAM module
Power
Battery
Motherboard
Switchboard PCA
AC adapter
Motherboard
Display
SDRAM module
Display assembly
Motherboard
Hard disk
Hard disk drive
Motherboard
Floppy drive
Floppy drive
Keyboard
Motherboard
Switchboard PCA
Keyboard
PS/2
Motherboard
Top case
Touchpad
Motherboard
Audio
Speaker assembly
Status
Motherboard
Switchboard PCA
Top case
Serial
Motherboard
Parallel
Motherboard
Infrared
Motherboard
IR PCA
Motherboard
PS/2 port
USB
Motherboard
S-Video
Motherboard
Port Replicator
Motherboard
PCMCIA
Motherboard
PCMCIA socket
Mini-PCI
Wireless LAN
Antenna PCAs
(certain models)
IR PCA
Motherboard
LAN
Motherboard
Modem
Service Manual
Table 1-9. Functional Structure Description
Main processor (MMO).
Primary system circuitry, system BIOS.
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.
Video RAM (XE4500).
Changeable SDRAM (2 slots), video RAM (XE4100).
Power storage.
AC adapter socket, reset button, lid switch, power supply, power
control circuitry.
Power button
AC-to-DC converter.
Graphics controller, video RAM.
Display output, backlight, power converter for backlight.
Hard disk controller.
Hard disk mechanism.
I/O controller, floppy connector.
Floppy drive mechanism.
Keyboard BIOS, keyboard controller.
Power switch, one-touch buttons
Key switches.
Keyboard circuitry, keyboard controller, keyboard BIOS.
Touch pad sensor, click buttons, controller (PS/2 output).
Audio controller, audio decoder, speaker amplifier, microphone,
external audio jacks, headphone amplifier, audio-off switch.
Speakers.
LED circuitry, keyboard controller.
Keyboard LEDs.
Main status LEDs.
I/O controller, serial connector.
I/O controller, parallel connector.
I/O controller.
Infrared transmitter/receiver.
PS/2 connector, keyboard controller.
Bus controller (South Bridge), USB connector.
I/O controller, S-video connector (certain models).
Port replicator logic, port replicator connector (certain models).
PCMCIA controller.
PCMCIA connectors.
I/O controller, radio, radio frequency circuitry.
Transmit/receive antennas.
On/off switch, indicator light.
LAN circuitry, bus controller, LAN connector.
Modem circuitry (certain models), modem connector.
Product Information
1-15
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