Toshiba Satellite A200 Series, Maintenance Manual

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3.14 Real Timer Test 3 Tests and Diagnostics
PORTEGE A200 Maintenance Manual (960-499) 3-29
3
3.14 Real Timer Test
To execute the Real Timer Test, select
9
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 Real time
A new date and time can be input during this subtest. To execute the real time subtest,
follow these steps:
1. Select subtest 01 and the following messages will appear:
Current date : XX-XX-XXXX
Current time : XX:XX:XX
Enter new date:
PRESS [ENTER] KEY TO EXIT TEST
2. If the current date is not correct, input the correct date at the “Enter new date”
prompt and press Enter .
3. The following messages will appear:
Current date : XX-XX-XXXX
Current time : XX:XX:XX
Enter new time:
PRESS [ENTER] KEY TO EXIT TEST
4. If the current time is not correct, input the correct time in 24-hour format. To
enter “ :” , press Shift + ; . The time is updated.
To exit the test, press
Enter .
Subtest 02 Backup memory
This subtest checks the following backup memories:
Writes 1-bit of “on” data (01h through 80h) to address 0Eh through 7Fh
Writes 1-bit of “off” data (FEh through 7Fh) to address 0Eh through 7Fh
Writes the data pattern AAh and 55h to the address 0Eh to 7Fh