Table 1-8. Functional Structure Description - HP PAVILION Pavilion ZE4300 Service Manual

Bootup CPU module
Motherboard
Hard disk drive
Floppy drive
Processor CPU module
Motherboard
Memory Motherboard
SDRAM module
Battery
Power
Motherboard
Switchboard PCA
AC adapter
Display Motherboard
SDRAM module
Display assembly
Motherboard
Hard disk
Hard disk drive
Floppy drive Motherboard
Floppy drive
Motherboard
Keyboard
Switchboard PCA
Keyboard
PS/2 Motherboard
Top case
TouchPad
Audio Motherboard
Speaker assembly
Motherboard
Status
Switchboard PCA
Top case
Serial Motherboard
Parallel Motherboard
Motherboard
Infrared
IR PCA
PS/2 port Motherboard
Motherboard
USB
S-Video Motherboard
Service Manual

Table 1-8. Functional Structure Description

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)
Product Information 1-25