Fault Isolation Using Diagnostics - Texas Instruments Extensa 570x Series Maintenance Manual

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Table of Contents

5.3.5

PC-Doctor supplied with the Extensa Series Notebooks is a powerful

diagnostics tool that can help you scan an internal RAM system for viruses,

determine the hardware configuration of a local or remote system,

benchmark its performance, analyze the performance of all subsystems,

and perform a suite of interactive and non-interactive tests on attached

devices. The test results are stored in a log which can be printed out (by

pressing F2) or saved in a disk file (by pressing F3).

Features of the diagnostic program are accessed through a series of

pull-down menus and basic keyboard keys (cursor keys to move highlighted

pointer, Enter key to select a highlighted feature, Esc key to cancel a

function and move back one level. PC-Doctor is typically user friendly but if

you don't understand a feature, context-sensitive help information is

available at any time by pressing the F1 function key; pressing the F1

function key twice accesses the online Technical Reference Manual for

PC-Doctor.

A powerful set of utilities within PC-Doctor (that can be run locally or

remotely) simplify the task of determining system configuration data,

5-6 Troubleshooting Procedures

Faulty phone line - Connect a telephone to the line and listen for a dial

tone.

Software program - Check to ensure that you have installed the

software correctly.

I/O Address Conflict - The multimedia sound capability of the Extensa

uses I/O address 220. However, this may conflict with some third-party

PCMCIA cards like the IBM Token Ring card. In this case, reset the

Extensa multimedia sound to I/O address 240 as shown in Figure 5-3.

I/O Address 220

(Both switches in

lower position)

NOTE: Lift keyboard to access IR/Sound Board

DIP Switch

Figure 5-3