Toshiba Qosmio Personal Computer X500 User Manual

Page 106

Test Program for Field.

Qosmio X500

Maintenance Manual (960-Q08)

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