Toshiba TECRA S1 Diagnostic Programs Memory Test, Subtest 01 Bios ROM, Subtest 02 Pattern

3 Diagnostic Programs 3.6 Memory Test

3.6Memory 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;

32 TECRA S1Maintenance Manual