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3 Tests and Diagnostics
3.5 Memory Test
3-14
Satellite A40 Maintenance Manual (960-458)
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.
Содержание Satellite A40
Страница 11: ...Satellite A40 Maintenance Manual 960 458 xi ...
Страница 12: ...Chapter 1 Hardware Overview ...
Страница 13: ...1 Hardware Overview 1 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 16: ...1 Hardware Overview Satellite A40 Maintenance Manual 960 458 1 v ...
Страница 54: ...Chapter 2 Troubleshooting Procedures ...
Страница 55: ...2 Troubleshooting Procedures 2 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 59: ...2 Troubleshooting Procedures 2 vi Satellite A40 Maintenance Manual 960 458 ...
Страница 120: ...2 14 SD Card Slot Troubleshooting 2 Troubleshooting Procedures Satellite A40 Maintenance Manual 960 458 2 61 ...
Страница 121: ...Chapter 3 Tests and Diagnostics ...
Страница 122: ...3 Tests and Diagnostics 3 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 140: ...3 Tests and Diagnostics 3 6 Keyboard Test 3 16 Satellite A40 Maintenance Manual 960 458 PRESS Enter KEY ...
Страница 212: ...3 29 Thermal Radiation Control Test 3 Tests and Diagnostics Satellite A40 Maintenance Manual 960 458 3 85 ...
Страница 213: ...Chapter 4 Replacement Procedures ...
Страница 214: ...4 Replacement Procedures 4 ii Satellite A40 Maintenance Manual 960 458 ...
Страница 384: ...Appendices ...
Страница 385: ...Appendices App ii Satellite A40 Maintenance Manual 960 458 ...
Страница 388: ...Appendices Satellite A40 Maintenance Manual 960 458 App v Appendix I Reliability I 1 ...
Страница 392: ...Appendices Satellite A40 Maintenance Manual 960 458 App ix ...
Страница 398: ...Appendices Appendix A Handling the LCD Module A 6 Satellite A40 Maintenance Manual 960 458 ...
Страница 438: ...Appendices Appendix E Key Layout E 4 Satellite A40 Maintenance Manual 960 458 ...
Страница 440: ...Appendices Appendix F Wiring Diagrams F 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 442: ...Appendices Appendix G BIOS Rewrite Procedures G 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 444: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 Satellite A40 Maintenance Manual 960 458 ...
Страница 446: ...Appendices Appendix I Reliability I 2 Satellite A40 Maintenance Manual 960 458 ...