Notebook Functional Overview

The Extensa 60x/65x Series Notebooks consist of eight major functions or sections including:

  • System Processor - implemented on the Motherboard Assembly
  • Memory Subsystem - implemented on the Motherboard Assembly
  • Processor/Memory/I/O Control - implemented on the Motherboard Assembly
  • Keyboard Subsystem - implemented on the Motherboard and the Keyboard Assemblies
  • Video Subsystem - implemented on the Top Board and on the LCD Display Assembly
  • Sound Subsystem - implemented on the Motherboard Assembly.
  • Touchpad Mouse Subsystem- implemented on the Touchpad assembly and on the Motherboard Assembly
  • Hard Disk Drive Subsystem - implemented on the Motherboard Assembly and the Hard Disk Drive Assembly
  • Floppy Disk Drive Subsystem - implemented on the Motherboard and Floppy Disk Drive Assembly
  • Power Subsystem - implemented on the Power Supply Board, Inverter Board, battery packs, and AC adapter
SRAM

DRAM

"" A

UMA Graphic controller

Figure 4-1 Extensa Functional Block Diagram

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