3 Diagnostic Programs 3.6 Memory Test
32 TECRA S1Maintenance Manual
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 Pattern
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.
Option: Choose the memory part to be tested – Base Memory Test or
Extended Memory Test;
Extended Memory Start Address (MB) & Extended Memory End
Address (MB): Set the range of extended memory that is to be tested, the
test coverage would be based on the setting and the value in ‘Percent (%)
mentioned at below;
Pattern Size: Choose the pattern size – BYTE, WORD, DWORD or ALL;
Percent (%): Choose the percentage of the defined range of the memory to
be tested;