System Test - Toshiba 400CS User Manual

3.4

System Test

To execute the System Test select 1 from the DIAGNOSTIC TEST MENU, press Enter and
follow the directions displayed on the screen. Move the highlight bar to the subtest you want
to execute and press Enter.
Subtest 01 ROM checksum
The ROM checksum tests the system board from address F0000h to FFFFFh
(64KB).
Subtest 02 Not used
Subtest 03 Not used
Subtest 04 Fan on/off
This subtest checks fan operation.
The fan cable is securely connected to PJ11 on the system board. When you
execute this subtest, the following message is displayed:
*** Fan ON *** : Press [Enter] key?
When you press Enter, the fan should spin.
*** Fan OFF *** : Press [Enter] key?
When you press Enter, the fan should stop.
Subtest 05 Thermistor check
This subtest checks the thermistor that controls CPU temperature. The ther-
mistor cable connects to PJ23 on the system board.
3-8
400 Series