Test Program for Field.
Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual
21
Test Process:
1.
Checks the memory size to determine the maximum size of installed
memory.
2.
Tests memory addresses 0 to the maximum installed.
3.
Writes, reads, and compares test data after a memory refresh cycle
(16ms or more).
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:
FFFFFFFFFFFFFFFF0000000000000000
5555555555555555AAAAAAAAAAAAAAAA
CCCCCCCCCCCCCCCC3333333333333333
0000000000000000FFFFFFFFFFFFFFFF
AAAAAAAAAAAAAAAA5555555555555555
3333333333333333CCCCCCCCCCCCCCCC
FFFFFFFFFFFFFFFF0000000000000000
0000000000000000FFFFFFFFFFFFFFFF
5555555555555555AAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAA5555555555555555
CCCCCCCCCCCCCCCC3333333333333333
3333333333333333CCCCCCCCCCCCCCCC
Summary of Contents for Satellite Pro U400 Series
Page 110: ...Test Program for Field Satellite U400 and Satellite Pro U400 Tests and Diagnostics Manual 17 ...
Page 168: ...Replacement Procedures Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual 4 iv ...
Page 276: ...Pin Assignment 36 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...
Page 302: ...Wiring Diagrams F 2 Satellite U400 Satellite Pro U400 PORTEGE M800 Maintenance Manual ...