Table 1-13. Functional Structure HP OmniBook 7100 Product Information 1-13 Function Modules Roles Bootup CPU module Motherboard BIOS IC Floppy disk module Hard disk drive Main processor (MMO). Primary system circuitry. Code for basic system functions. 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 RAM boards Video PCA First 32 MB of RAM. Optional, additional RAM. Video RAM. Power Battery DC-DC PCA Motherboard Icon PCA AC adapter Power storage. Power supply. AC adapter socket, system-off switch. Power switch, lid switch.
AC-to-dc converter. Display Motherboard LCD module Inverter PCA LVDS PCA Video PCA PCMCIA/zoomed video controller. Display output, backlight. Power converter for backlight. Display switch, LVDS signal pass-through. Display/graphics controller, video RAM, LVDS processor/driver. Hard disk Motherboard Hard disk drive Hard disk controller. Hard disk mechanism. Floppy drive Motherboard Floppy disk module Floppy disk controller. Floppy disk mechanism. Keyboard Motherboard BIOS IC Keyboard Keyboard controller. Keyboard BIOS. Key switches. Pointer Motherboard Pointer-control PCA Keyboard Top case Keyboard controller. Pointing stick controller (PS/2 output). Pointing stick sensor.
Touch pad sensor, controller (PS/2 output). Audio Motherboard Audio PCA Icon PCA Top case Speaker amplifier, external audio jacks, headphone amplifier, zoomed video controller, volume knob. Audio controller, wavetable. Microphone. Speakers. Status Motherboard Icon PCA Front-IR PCA Keyboard controller. Status panel. Front LEDs. Serial Motherboard I/O controller, serial connector. Parallel Motherboard I/O controller, parallel connector. Infrared Motherboard Icon PCA Front-IR PCA I/O controller. Back infrared transmitter/receiver. Front infrared transmitter/receiver. PS/2 port Motherboard Pointer-control PCA Keyboard controller, PS/2 connector. PS/2 processor.
USB Motherboard Bus controller (South Bridge), USB connector. Docking port Motherboard Docking logic, docking connector. PCMCIA Motherboard PCMCIA socket PCMCIA controller. PCMCIA connectors.