Toshiba A10 Personal Computer User Manual


 
3.4 System Test 3 Tests and Diagnostics
3.4 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 Geyserville
This subtest confirms the CPU clock can be changed. When the CPU of the
computer is Celeron, the following message appears:
*** This chip is not supported. ***
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
Subtest 05 Thermister Check
This subtest reads the status (normal/open/short) of the [Thermister connect
check] of the PS micon. When it is not normal, an error message is displayed.
When it is normal, the display returns to the main menu.
Subtest 06 Quick charge
This subtest checks the status for the quick charge.
Satellite A10/TECRA A10/Satellite Pro A10 Maintenance Manual (960-445) 3-9