Toshiba Satellite Pro U300 Maintenance Manual - Page 149

Test Program for Field. Subtest 02 Subtest 03 Backup Memory This subtest writes 50 bytes of test data (FFH, AAH, 55H, and 00H) to the CMOS 14th 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. [ REAL TIME CARRY TEST ] 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. [ REAL TIME CARRY TEST ] 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 U300 and Satellite Pro U300 Tests and Diagnostics Manual 45