Table 1-9. Functional Structure Description HP Omnibook XT6050, XT/VT6200 Product Information 1-15 Bootup CPU module Motherboard Hard disk drive Floppy disk module 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, no onboard RAM. Changeable RAM (2 slots). Power Battery Motherboard Display interface PCA. AC adapter Power storage. AC adapter socket, power switch, lid switch, system-off switch, power supply, power control circuitry.
Blue sleep button. AC-to-DC converter. Display Motherboard 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 disk module I/O controller, floppy connector. Floppy disk mechanism. Keyboard Motherboard Keyboard Keyboard BIOS, keyboard controller. Key switches. Pointer Motherboard Keyboard Top case Keyboard circuitry, keyboard controller, keyboard BIOS. Pointing stick sensor (certain models). Touch pad sensor, click buttons, controller (PS/2 output).
Audio Motherboard Display interface PCA Volume PCA Speaker assembly Audio controller, audio decoder, speaker amplifier. Microphone. External audio jacks, headphone amplifier, audio-off switch. Speakers. Status Motherboard Display interface 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 I/O controller, infrared transmitter/receiver. PS/2 port Motherboard PS/2 connector, keyboard controller. USB Motherboard Bus controller (South Bridge), USB connector. Docking port Motherboard Docking logic, docking connector.
PCMCIA Motherboard PCMCIA socket PCMCIA controller. PCMCIA connector. Wireless LAN Motherboard Front antenna PCA Rear antenna PCA Mini-PCI card #1 I/O controller. Receive antenna, on-off button, indicator light. Transmit/receive antenna. Radio, radio frequency circuitry. LAN Motherboard Mini-PCI panel LAN circuitry, bus controller. LAN connector. Modem Mini-PCI card #1 Mini-PCI card #2 Mini-PCI panel Modem circuitry (certain models). Modem circuitry (certain models). Modem connector.