HP Pavilion ze5300 - Manual (Page 71)

Table 1-9. 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 code.
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, click 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 connectors.
Wireless LAN
(certain models) 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 (certain models), modem connector.
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