5-14
Troubleshooting Procedures
5.5 Fault Isolation Using Diagnostics
PC-Doctor, supplied with the Extensa Series Notebooks, is a powerful diagnostics tool
that can help you 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 (such as printers,
joystick devices, VGA monitors, SCSI
®
devices, CD-ROM drives). The test results are
stored in a log which can be printed out or saved in a disk file.
5.5.1 PC-Doctor (In DOS Mode or DOS Window)
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, allocating and using system memory,
IRQ and DMA use, what device drivers are installed, what COM and LPT ports are
assigned and what ports are available, identifying partitioning data for fixed disk
drive(s), determining the VGA setup information, reading the software interrupts/
interrupt vectors, etc.
Functionally, PC-Doctor includes the following:
♦
Group of non-Interactive diagnostic tests that perform a non-destructive test
of the major hardware functions in the notebook (Processor, Memory, System
board, video section, serial and parallel ports (when loopback adapters are
installed), hard disk drive and floppy disk drive).
♦
Group of Interactive tests (require operator input) for testing the keyboard, video
sections, sound subsystem, mouse, joystick, disk drive, printer subsystem and
the SCSI/CD-ROM Drive subsystems supported by the docking station options.
♦
Utility that provides detailed system information such as configuration data,
allocation and use of system memory, IRQ and DMA use, what device drivers
are installed, what COM and LPT ports are assigned and what ports are
available, partitioning data for fixed disk drive(s), VGA setup information,
software interrupts and interrupt vectors, and installed SCSI options.
♦
Group of special purpose utilities to run other tests from PC-Doctor, perform a
virus scan of the system, edit configuration files, surface scan hard drives,
measure system performance, open a DOS prompt, provides terminal access
to devices connected to serial ports, supports memory debug operations,
enables remote operations, permits deep discharge of notebook batteries and
provides an extensive test reporting function.
Summary of Contents for Extensa 900 Series
Page 1: ...Maintenance Manual ExtensaTM 900 Series Notebook Computers 9813715 0001 December 1996 ...
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Page 138: ...A 2 Notebook Schematic Diagrams Figure A 1 Notebook Main Board Logic Diagrams Sheet 1 of 30 ...
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Page 148: ...A 12 Notebook Schematic Diagrams Figure A 1 Motherboard PWB Logic Diagrams Sheet 11 of 23 ...
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Page 171: ...MPB Schematic Diagrams B 3 Figure B 1 MPB CPU Board Logic Diagrams Sheet 2 of 3 ...
Page 176: ...B 8 MPB Schematic Diagrams Figure B 3 MPB Main Board Motherboard Logic Diagrams Sheet 3 of 10 ...
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