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1.8 Notebook Functional Overview
The TravelMate 5000 Series Notebooks consist of eight major functions or
sections including:
• System Processor- implemented on Main Board
• Memory Subsystem- implemented on Main Board
• I/O Subsystem- implemented on Main Board
•
Keyboard Subsystem- implemented on part of Main Board, Key Scan
Board, and Keyboard Assembly
• Video Subsystem- implemented on Main Board, Display Adapter Board,
and LCD Display
• Sound Subsystem- implemented on the PCMCIA/Sound Board
• PCMCIA Adapter and sockets- implemented on PCMCIA/Sound Board
• Pointing Device Subsystem-implemented on Main Board and Keyboard
Assembly
• Hard Disk Subsystem- implemented on Main Board and the Hard Drive
Assembly
• Floppy Disk Subsystem- implemented on Main Board and Floppy Drive
Assembly
• Power Subsystem- implemented on Power Supply Board, Inverter Board,
battery packs, front panel LEDs, and AC adapter
A simplified block diagram of the computer is shown in Figure 1-16.
General Description 1-29