Toshiba PQF46X Manual Do Utilizador

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3.6 Memory Test 
3  Diagnostic Programs 
 
Test Range: Specify the test coverage range of Extended Memory. If 
user chooses Total Size, it means that the whole Extended Memory 
will be tested. Although user can input the parameter into other select 
box, but the selected result is invalid. If user chooses Special Size, the 
test of Extended Memory will be taken according to the coverage 
range that user chooses or time. 
Extended Memory Start Address and Extended Memory End 
Address (MB)
: Set the range of extended memory that is to be tested. 
The test coverage will be according to the value setting in ‘Percent 
(%)’ mentioned at below. 
Percent (%): Choose the percentage of the defined range of the 
memory to be tested. 
Time Limit(h): Choose or Input the time (hour) of the defined range 
of the memory to be tested; 
Time Limit(m): Choose or Input the time (minute) of the defined 
range of the memory to be tested. 
1.  Write/Read Cycle Test 
Test by using both read and write instructions. 
2.  Read Cycle Test 
Test by using read instructions. 
Subtest 05  Walking 1’s Test 
The test item is to ensure that there is no short circuitry issue in memory chip. The 
parameter dialog window is the same as that in ‘Subtest 02 Pattern’. 
Subtest 06  Walking 0’s Test 
QosmioF40/F45,dynabook Qosmio F40  Maintenance Manual 
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