User Guide

3.5 System Test 3 chTests and Diagnostics
3.5 System Test
To execute the System Test, select 1 from the DIAGNOSTIC TEST MENU, press Enter
and follow the directions on the screen. Move the highlight bar to the subtest you want to
execute and press Enter.
Subtest 01 ROM Checksum
This subtest executes a checksum test of the BIOS ROM (range: F0000h
to FFFFFh) on the System Board.
Subtest 02 Dock/UnDock
NOTE: Attach Port Replicator III before the start of this test.
When this subtest displays message shown below, slide the corresponding
switch and press Enter.
Slide Eject-SW, and press [Enter] key
Following message appears in the display, then press Enter without
pressing eject button.
Release Eject-SW, and press [Enter] key
When the subtest end normally, return to SYSTEM test menu
automatically.
After the display returns to the SYSTEM test menu, undock the computer
from the Port Replicator III.
Subtest 04 Fan On/Off
This subtest turns on/off the fan motor by force with Fan ON/OFF
commands.
The following message will appear. Make sure the fan does not rotate and
press Enter.
*** Test Fan Revolution 0000RPM Start
The following message will appear. Make sure the fan rotates at low speed
and press Enter.
*** Test Fan Revolution Low speed Start
The following message will appear. Make sure the fan rotates at high
speed and press Enter.
*** Test Fan Revolution High speed Start
Satellite A50/TECRA A2 Maintenance Manual (960-478) 3-11