Toshiba Satellite U300 Series Maintenance Manual page 121

Test Process:
1. Checks the memory size to determine the maximum size of installed
2. Tests memory addresses 0 to the maximum installed.
3. Writes, reads, and compares test data after a memory refresh cycle
NOTE: There may be a short delay between write and read operations,
depending on the memory size.
Subtest 05 Stress Test
This subtest writes the following 16KB data patterns to the Write/Read Buffer
in conventional memory.
data:
20
memory.
(16ms or more).
FFFFFFFFFFFFFFFF0000000000000000
5555555555555555AAAAAAAAAAAAAAAA
CCCCCCCCCCCCCCCC3333333333333333
0000000000000000FFFFFFFFFFFFFFFF
AAAAAAAAAAAAAAAA5555555555555555
3333333333333333CCCCCCCCCCCCCCCC
FFFFFFFFFFFFFFFF0000000000000000
0000000000000000FFFFFFFFFFFFFFFF
5555555555555555AAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAA5555555555555555
CCCCCCCCCCCCCCCC3333333333333333
3333333333333333CCCCCCCCCCCCCCCC
Satellite U300 and Satellite Pro U300 Tests and Diagnostics Manual
Test Program for Field.