3.5 Memory Test
3 Tests and Diagnostics
3.5 Memory
Test
To execute the Memory Test, select
2
from the DIAGNOSTIC TEST MENU, press
Enter
and follow the directions on the screen. Move the highlight bar to the subtest you want to
execute and press
Enter
.
Subtest 01
Conventional memory
This subtest writes a constant data to conventional memory (0 to 640 KB),
then reads the new data and compares the result with the original data.
Subtest 02
Protected mode
NOTE
: The CONFIG.SYS file must be configured without expanded memory manager
programs such as EMM386.EXE, EMM386.SYS or QEMM386.SYS. Also, the
HIMEM.SYS must be deleted from the CONFIG.SYS file.
This subtest writes constant data (FFh, Aah, 55h, 00h) and address data
(FFFFh, FFFEh,….., 0000h) to the area of 1MB to maximum MB and reads
the new data and compares the result with the original data.
Subtest 06
Stress
Data (from 1MB to the maximum MB) is written from the 16KB write buffer
to the 16KB read buffer and compared the data in the buffers. The read buffer
starts from 0001 and the comparison is continued with the following read
buffer addresses: 0001, 0003, 0005, 0007, 0009, 000b, 000d and 000f.
Satellite A40 Maintenance Manual (960-458)
3-13
Содержание Satellite A40 Series
Страница 10: ...x Satellite A40 Maintenance Manual 960 458 ...
Страница 11: ...Chapter 1 Hardware Overview ...
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Страница 51: ...Chapter 2 Troubleshooting Procedures ...
Страница 52: ...2 Troubleshooting Procedures 2 ii Satellite A40 Maintenance Manual 960 458 ...
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Страница 118: ...Chapter 3 Tests and Diagnostics ...
Страница 119: ...3 Tests and Diagnostics 3 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 203: ...3 Tests and Diagnostics 3 29 Thermal Radiation Control Test 3 82 Satellite A40 Maintenance Manual 960 458 ...
Страница 204: ...Chapter 4 Replacement Procedures ...
Страница 205: ...4 Replacement Procedures 4 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 358: ...Appendices ...
Страница 359: ...Appendices App ii Satellite A40 Maintenance Manual 960 458 ...
Страница 365: ...Appendices App viii Satellite A40 Maintenance Manual 960 458 ...
Страница 371: ...Appendices Appendix A Handling the LCD Module A 6 Satellite A40 Maintenance Manual 960 458 ...
Страница 411: ...Appendices Appendix E Key Layout E 4 Satellite A40 Maintenance Manual 960 458 ...
Страница 413: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 415: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 417: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 419: ...Appendices Appendix I Reliability I 2 Satellite A40 Maintenance Manual 960 458 ...