400 Series
3-9
3.5
Memory Test
To execute the Memory Test, select
2
from the DIAGNOSTIC TEST MENU, press
Enter
and follow the directions displayed on the screen. Move the highlight bar to the subtest you
want to execute and press
Enter
.
Subtest 01
Constant data (real mode)
This subtest writes a 256-byte unit of constant data to conventional memory (0
to 640 KB). Then reads the new data and compares the result with the original
data. The constant data is FFFFh, AAAAh, 5555h, and 0000h.
Subtest 02
Address pattern data (real mode)
This subtest writes address pattern data created by the exclusive-ORing
(XORing), to the address segment and address offset in conventional memory
program end to 640 KB), then reads the new data and compares the result with
the original data.
Subtest 03
Refresh (real mode)
This subtest writes a 256-byte unit of constant data to conventional memory (0
to 640 KB) then reads the new data and compares the result with the original
data.
The constant data is AAAAh and 5555h.
NOTE:
There is a short delay between write and read operations,
depending on the size of the data.
Subtest 04
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 and address data to extended memory (maxi-
mum address 100000h) then reads new data and compares the result with the
original data.
The constant data is FFh, AAh, 55h, and 00h.
Содержание Satellite Pro 400CDT
Страница 23: ...400 Series 2 3 Figure 2 1 Troubleshooting flowchart 1 2 ...
Страница 172: ...400 Series B 1 Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...
Страница 173: ...B 2 400 Series B 2 System Board Back View Figure B 2 Board layout back ...
Страница 197: ...E 2 400 Series E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...
Страница 198: ...400 Series E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...
Страница 199: ...E 4 400 Series E 7 Scandinavian SC Keyboard Figure E 7 SC keyboard E 8 Swiss German SL Keyboard Figure E 8 SL keyboard ...