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3 Diagnostic Programs 3.6 Memory Test
3.6 Memory Test
This test module is to check whether the memory chip works normally.
Subtest 01 BIOS ROM
This test item is to check the validity of BIOS ROM that includes two sub-items --
ROM Read and ROM Write Protection. ROM Read is to check whether BIOS
ROM could be correctly read out, ROM Write Protect is to check whether BIOS
ROM is write-protected.
Subtest 02 Patterns
This test item is to check whether the system memory includes base memory and
extended memory that could be accessed correctly through writing and reading
with a series of designed pattern data. Below is the parameter setting dialog
window.
Test Option: Choose the Memory part to take the test– Base Memory or
Extended Memory.
Extended Memory Test Range: Specify the test coverage range of
Extended Momory. If user chooses Total Size, it means that the whole
Extended Momory will be tested. Although user can input the parameter
into other select box, but the selected result is invalid. If user chooses
Special Size, the test of Extended Momory will be taken according to the
coverage range that user chooses or time.
Extended Memory Start Address (MB) & Extended Memory End
Address (MB): Set the range of extended memory that is to be tested, the
36 Satellite M40/M45 TECRA A4 Dynabook Vx/4 Maintenance Manual