Operating instructions, Theory of operation, 3 operating instructions – Texas Instruments 51X User Manual

Page 4: 4 theory of operation

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2.5.2 . . . Installing External Parallel Printer . . . . . . . . . . . . 2-7

2.5.3 . . . Installing External Serial Port Device . . . . . . . . . 2-8

2.5.4 . . . Installing External VGA Monitor. . . . . . . . . . . . . . 2-9

2.5.5 . . . Installing External Microphone . . . . . . . . . . . . . . 2-10

2.5.6 . . . Installing External Audio Input Devices . . . . . . . . 2-10

2.5.7 . . . Installing External Audio Output Devices. . . . . . . 2-10

2.6 . . . . Installing the AC Power Adapter . . . . . . . . . . . . . . . 2-10

2.7 . . . . Initial System Checkout . . . . . . . . . . . . . . . . . . . . . . 2-11

2.8 . . . . Configuring the System . . . . . . . . . . . . . . . . . . . . . . . 2-11

2.9 . . . . Making Backups of System Software . . . . . . . . . . . . . 2-11

2.10 . . . Loading Application Software . . . . . . . . . . . . . . . . . . 2-11

3 Operating Instructions

3.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.2 . . . . Notebook Controls and Indicators . . . . . . . . . . . . . . . 3-1

3.2.1 . . . Button Switches. . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2.2 . . . Cover Release Latch . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2.3 . . . Touchpad Controls. . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.2.4 . . . Keyboard Mode LEDs . . . . . . . . . . . . . . . . . . . . . . 3-3

3.3 . . . . Operating Procedures . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.3.1 . . . Floppy Drive Operating Procedures . . . . . . . . . . . 3-3

3.3.2 . . . Installing/Removing PCMCIA Options . . . . . . . . . 3-4

3.3.3 . . . Computer Hot Keys . . . . . . . . . . . . . . . . . . . . . . . 3-4

3.3.4 . . . Responding to Low Battery Conditions . . . . . . . . . 3-5

3.3.5 . . . Minimizing Power Usage. . . . . . . . . . . . . . . . . . . . 3-5

3.3.6 . . . Recharging the Battery Packs. . . . . . . . . . . . . . . . 3-5

3.3.7 . . . Restoring Missing System Files . . . . . . . . . . . . . . 3-6

3.3.8 . . . Rebuilding the System Software . . . . . . . . . . . . . . 3-6

4 Theory of Operation

4.1 . . . . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.2 . . . . Notebook Functional Description. . . . . . . . . . . . . . . . 4-1

4.2.1 . . . Processor/Memory Subsystems . . . . . . . . . . . . . 4-1

4.2.2 . . . I/O Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

iv Contents

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