Toshiba Satellite A500 Service Manual page 119

3 Diagnostic Programs
This test item is to check whether the memory could be correctly accessed
with randomized memory address and a series of incremental data.
Subtest 11 Data Bus Test
This test item is to check whether the data bus works normally.
Subtest 12 Memory Speed Test
This test item is to check the data-transferring rate for the cache memory and the
system memory.
Satellite A500 Maintenance Manual
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3.6 Memory Test