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Toshiba T5200 - Memory Test Procedures

Toshiba T5200
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This subtest writes fixed data and address data to memory
(addresses 100000H to the max.) in protected mode, then
reads and compares it with the original data.
Subtest 05 Protected mode for the memory module.
The same test as the subtest 04 is done for the memory
module. Total memory module capacity is 2MB, 4MB, 6MB,
10MB or 12MB. After selecting the subtest, the following
message will appear.
Extended memory size (1:2MB, 2:4MB, 3:6MB, 4:10MB,
5:12MB)?
<fig id=MMS\5200\52003_9.TIF>Page 3-9</fig>
Subtest 06 LIM/EMS (Expanded memory, in real mode)
The same test as the subtest 04 is done for expanded
memory. Page frame address is D0000H to DFFFF. EMS port
is 208H, 218H, 258H or 268H. After selecting the subtest,
the following message will appear.
Warning: The contents of the EMS will be destroyed.
Press [Enter] key.
After pressing the Enter, the following message
will appear.
[EMS port=XXXH, SET#=X, PAGE#=XXXX]
[EMS size Block#1=XXXXXKB, Block#2=XXXXXKB,
Block#3=XXXXXKB, Block#4-XXXXKB]
Subtest 07 Cache memory
This subtest writes constant data (AAH and 55H) to cache
memory (32KB), then reads and compares it with the
original data. The test does with cache on or off, and
judges the total test count for three seconds. It is OK,
if: [test count when cache on > test count when cache
off.] After selecting the subtest, the following message
will appear.
3 second test count:
Cache on = XXXXX
Cache off = XXXXX
~~
DOC:MAINTENANCE MANUAL
MODEL:T5200
MODEL:T5200C
CHAP:3 TESTS AND DIAGNOSTICS
SECT:3.6, KEYBOARD TEST
DOC_ID:3.6 T5200
LANG:ALL
TEXT:
<fig id=MMS\5200\52003_10.TIF>Page 3-10</fig>

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