System Test - Toshiba Satellite A40 Maintenance Manual

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, 64KB) on the System Board.
Subtest 02 Geyserville
If the CPU supports Gerserville (SpeedStep), this Subtest checks that the CPU
operating clock speed can be changed.
Subtest 04 Fan ON/OFF
This subtest turns on/off the fan motor by force with Fan ON/OFF commands and
displays the max speed of the fan.
The following message will appear. Make sure the fan does not rotate and press
Enter.
Test Fan OFF Start
Press [Enter] KEY
The following message will appear. Make sure the fan rotates at max speed and
press Enter.
Test Fan MAX Start
Press [Enter] KEY
The following message will appear and display the max speed of the fan.
Test Fan MAX Start
*** CPU FAN Speed = XXXX rpm
*** 2nd FAN Speed = XXXX rpm
Press [Shift] + [S] KEY
To exit this subtest and return to the SYSTEM test menu, press Shift + S.
Subtest 06 Quick charge
3-10 Satellite A40 Maintenance Manual (960-458)
3.4 System Test