Texas Instruments 51X 2.4

2.3.3 Installing the Optional Numeric Keypad

An optional numeric keyboard can be attached to the notebook via the

notebook PS/2 connector as shown in Figure 2-3.

2.4 Installing the Battery Pack(s)

The standard configuration of the Extensa Notebook is equipped wi th a

single battery pack that is inserted from the front right side of the computer.

To remove or replace the battery pack, follow the steps below.

1. Power off the notebook, being sure to save your data first.

2. Locate the battery door (right side of notebook near the front). Press

the battery door inward and slide the door toward the front of the

notebook; remove the battery door.

3. Insert a new or recharged battery pack into the battery compartment

bay. Make sure that the contacts are facing up and to the rear of the

compartment. Check the label (facin g u p when inserted) indicating

the positive and negative poles of the ba ttery.

External PS/2

Port (Mouse/Keyboard

Port)

External Numeric Keypad

Option

Figure 2-3 Installing the Numeric Keypad option

2-4 Installation

Contents

Main Page Contents Preface 1 General Description 2 Installation 3 Operating Instructions 4 Theory of Operation 5 Troubleshooting Procedures 6 Field Service ASelf Test Error Messages BPC-Doctor Diagnostics Preface Introduction Intended Audience Contents Other Manuals About the System Ordering Parts and Supplies 1 General Description 1.1 1.2 Model 510 Model 515 1.3 Configuration P/N Suffix Configuration P/N Suffix 1.4 Page Figure 1-2 Extensa 51x Series Features 1-4 General Description 1.4.1 1.4.2 1.4.3 n 1.4.3.1 Controls and Indicators ^ 1.4.4 1.4.5 Status LEDs 1.4.6 1.5 1.6 Subassemblies 1.6.1 1.6.2 1.7 Specifications Table 1-3 Extensa 51x Notebook Features Specifications Model 510 Model 515 General Description 1-13 * Weight specifications do not include AC Adapter 1.8 2 Installation 2.1 2.2 n 2.3 c n 2.3.1 Page 2.3.2 2.3.3 2.4 c 2.5 2.5.1 2.5.2 2.5.3 c 2.5.4 2.5.5 2.5.6 2.5.7 2.6 c 2.7 2.8 2.9 2.10 3 Operating Instructions n 3.1 3.2 3.2.1 3.2.2 Status LEDs 3.2.3 3.2.4 3.3 3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 3.3.6 3.3.7 3.3.8 n 4 Theory of Operation 4.1 4.2 4.2.1 MAIN BOARD Figure 4-1 Notebook Functional Block Diagram 4-2 Theory of Operation 4.2.2 4.2.3 4.2.3.1 External VGA Drive Capability c 4.2.4 c 4.2.5 4.2.6 4.2.7 Page Table 4-4 Primary Battery Pack Specifications Function Specifications 4-8 Theory of Operation 5 Troubleshooting Procedures 5.1 5.2 SEE PARAGRAPH 5.3.3 Figure 5-1 Troubleshooting Flowchart 5-2 Troubleshooting 5.3 5.3.1 (EG. a lamp) to verify that voltage is present. If the voltage is OK, try replacing the AC Adapter 5-4 Troubleshooting MAIN BOARD n 5.3.3 5.3.4 5.3.5 5.3.5.1 Interactive Tests Page 5.3.5.3 Creating a Bootable Floppy Diskette n 5.3.5.4 Running PC-Doctor Page 6 Field Service c 6.1 6.2 6.2.1 c 6.2.2 6.2.3 6.2.4 6.3 c 6.4 and Assemblies 6.4.1 Page 6.4.2 Table 6-2 Base Assembly, Field-Replaceable Units (FRUs) FRU Description Page CRU Description c 6.5 c Replacement Procedures 6.5.1 Pack 6.5.2 n c 6.5.3 6.5.4 6.5.5 Assembly 6.5.6 Hard Drive Cover HDD Release Latches 6.5.7 6.5.8 6.5.9 or Contrast Board c 6.5.10 6.5.11 Control Board 6.5.12 Supply Board Assembly 6.5.13 6.5.14 Page A Self Test Error Messages A.1 Error Messages A-1 Error Message Corrective Action Table A-2 POST Checkpoint List A-2 Error Messages Error Messages A-3 A-4 Error Messages Page B PC-Doctor Diagnostics B.1 B.2 B.3 B.4 B.4.1 B.4.2 n B.4.3 B.4.4 B.4.5 B.5 B.6