![background image](http://html1.mh-extra.com/html/texas-instruments/extensa-450-series/extensa-450-series_maintenance-manual_1095297003.webp)
Contents
Preface
1.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1.2 Product Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.3 International Product Versions. . . . . . . . . . . . . . . . . . . . . . 1-2
1.4 Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1.4.1 External Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.4.2 Touchpad Pointing Device . . . . . . . . . . . . . . . . . . . . . 1-6
1.4.3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
1.4.4 Standard Power Features. . . . . . . . . . . . . . . . . . . . . . 1-8
1.4.5 Wireless Connection With Serial Infrared Port . . . . . . 1-9
1.4.6 Preloaded Software . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1.4.7 Notebook Expansion Capabilities . . . . . . . . . . . . . . . . 1-9
1.5 Standard Test Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
1.6 Notebook Assemblies and Subassemblies. . . . . . . . . . . . . . 1-10
1.6.1 Cover-Display Assembly . . . . . . . . . . . . . . . . . . . . . . 1-11
1.6.2 System Base Assembly . . . . . . . . . . . . . . . . . . . . . . . 1-11
1.7 Extensa 450 Series Notebook Specifications. . . . . . . . . . . . 1-12
1.8 Agency Approvals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
2.1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Unpacking Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.3 Installing Notebook Options . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.3.1 Installing Dual Inline Memory Module(s) . . . . . . . . . . 2-1
2.3.2 Installing PCMCIA Options. . . . . . . . . . . . . . . . . . . . . 2-3
2.3.3 Installing the Port Adapter . . . . . . . . . . . . . . . . . . . . 2-4
2.3.4 Installing the Optional Numeric Keypad . . . . . . . . . . 2-5
2.4 Installing the Battery Pack(s ) . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.5 Installing External Devices . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Contents iii
Summary of Contents for Extensa 450 Series
Page 1: ...Maintenance Manual Extensatm 450 Series Notebook Computers 9805725 0001 November 1995 ...
Page 12: ...Figure 1 2 Extensa 450 Series Features 1 4 General Description ...
Page 42: ...Figure 4 1 Notebook Functional Block Diagram 4 2 Theory ...
Page 71: ...Figure 6 5 Touchpad Removal Replacement 6 12 Field Service ...
Page 93: ...Connector Pinouts B 11 ...
Page 100: ...Printed in U S A ...