Real Timer Test - Toshiba 430CDT Maintenance Manual

3.12 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. The real timer test contains three subtests that test
the computer's real timer functions. Move the highlight bar to the subtest you want to ex-
ecute 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 message will appear:
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. The following prompt will appear:
3. If the current time is not correct, input the correct time in 24-hour
format. Pressing Enter toggles between the time and the date. To exit,
press Ctrl + Break.
Subtest 02 Backup Memory
This subtest performs the following backup memory check:
Writes 1-bit of "on" data to address 01h through 80h
Writes 1-bit of "off" data to address 0Eh through 80h
Writes the data pattern AAh and 55h to the RTC 114-byte memory
(address 0Eh to 7Fh)
The subtest reads and compares this data with the original data.
To exit, press Ctrl + Break.
430 Series
Current date : XX-XX-XXXX
Current time : XX:XX:XX
Enter new date:
Enter new time :
3-27