Toshiba Satellite U400 Maintenance Manual page 139

Subtest 02
Subtest 03
46
Downloaded from LpManual.com Manuals
Backup Memory
This subtest writes 50 bytes of test data (FFH, AAH, 55H, and 00H) to the
th
CMOS 14 address, then reads the new data and compares it to the original
data.
Real Time Carry
CAUTION: When this subtest is executed, the current date and time are
reset.
This subtest checks the clock's carry function.
Current date : 12-31-1999
Current time : 23:59:55
Press [Enter] key to exit test
The following is the display after the date carry function is executed.
Current date : 01-01-2000
Current time : 00:00:01
Press [Enter] key to exit test
To exit this subtest and return to the Real Time Clock menu:
Press Enter if NO was selected for Test Loop on the Test Parameter Menu.
Press Ctrl + break if YES was selected for Test Loop on the Test Parameter
Menu.
Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual
[ REAL TIME CARRY TEST
[ REAL TIME CARRY TEST
Test Program for Field.
]
]