Compaq nx9010 Maintenance and Service Guide - Page 30

Table 1-8. Functional Structure Description, Bus controller South Bridge, USB connector - power supply

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Bootup Processor Memory Power Display Hard disk Floppy drive Keyboard PS/2 TouchPad Audio Status Serial Parallel Infrared PS/2 port USB S-Video Port Replicator PCMCIA Wireless LAN (certain models only) LAN Modem Table 1-8. Functional Structure Description CPU module Motherboard Hard disk drive Floppy drive CPU module Motherboard Motherboard SDRAM module Battery Motherboard Switchboard PCA AC adapter Motherboard SDRAM module Display assembly Motherboard Hard disk drive Motherboard Floppy drive Motherboard Switchboard PCA Keyboard Motherboard Top case Motherboard Speaker assembly Motherboard Switchboard PCA Top case Motherboard Motherboard Motherboard IR PCA Motherboard Motherboard Motherboard Motherboard Motherboard PCMCIA socket Mini PCI Antenna PCAs IR PCA Motherboard Motherboard Main processor (MMO) Primary system circuitry, system BIOS First source of disk-based startup code Second source of disk-based startup cod. 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, Select 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 connector I/O controller, radio, radio frequency circuitry Transmit/receive antennas On/off switch, indicator light LAN circuitry, bus controller, LAN connector Modem circuitry (select models), modem connector 1-24 Product Information Service Manual

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1-24
Product Information
Service Manual
Table 1-8. Functional Structure Description
Bootup
CPU module
Motherboard
Hard disk drive
Floppy drive
Main processor (MMO)
Primary system circuitry, system BIOS
First source of disk-based startup code
Second source of disk-based startup cod.
Processor
CPU module
Motherboard
Main processor, numeric data processor, L1 and L2 cache
Primary system circuitry
Memory
Motherboard
SDRAM module
Video RAM (XE4500)
Changeable SDRAM (2 slots), video RAM (XE4100)
Power
Battery
Motherboard
Switchboard PCA
AC adapter
Power storage
AC adapter socket, reset button, lid switch, power supply, power
control circuitry
Power button
AC-to-DC converter
Display
Motherboard
SDRAM module
Display assembly
Graphics controller, video RAM
Display output, backlight, power converter for backlight
Hard disk
Motherboard
Hard disk drive
Hard disk controller
Hard disk mechanism
Floppy drive
Motherboard
Floppy drive
I/O controller, floppy connector
Floppy drive mechanism
Keyboard
Motherboard
Switchboard PCA
Keyboard
Keyboard BIOS, keyboard controller
Power switch, one-touch buttons
Key switches
PS/2
TouchPad
Motherboard
Top case
Keyboard circuitry, keyboard controller, keyboard BIOS
Touch pad sensor, Select buttons, controller (PS/2 output)
Audio
Motherboard
Speaker assembly
Audio controller, audio decoder, speaker amplifier, microphone,
external
audio jacks, headphone amplifier, audio-off switch
Speakers
Status
Motherboard
Switchboard PCA
Top case
LED circuitry, keyboard controller
Keyboard LEDs
Main status LEDs
Serial
Motherboard
I/O controller, serial connector
Parallel
Motherboard
I/O controller, parallel connector
Infrared
Motherboard
IR PCA
I/O controller
Infrared transmitter/receiver
PS/2 port
Motherboard
PS/2 connector, keyboard controller
USB
Motherboard
Bus controller (South Bridge), USB connector
S-Video
Motherboard
I/O controller, S-video connector (certain models)
Port Replicator
Motherboard
Port replicator logic, port replicator connector (certain models)
PCMCIA
Motherboard
PCMCIA socket
PCMCIA controller
PCMCIA connector
Wireless LAN
(certain
models only)
Mini PCI
Antenna PCAs
IR PCA
I/O controller, radio, radio frequency circuitry
Transmit/receive antennas
On/off switch, indicator light
LAN
Motherboard
LAN circuitry, bus controller, LAN connector
Modem
Motherboard
Modem circuitry (select models), modem connector