Toshiba PSAGRX Manual Do Utilizador

Página de 263
3.6 Memory Test 
3  Diagnostic Programs 
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 
The test item is to ensure that there is no open circuitry issue in memory chip. The 
parameter dialog window is the same as that in ‘Subtest 02 Pattern’. 
Subtest 07  Memory Address 
This test item is to check short and open issue on memory address lines. 
Subtest 08  Refresh Test 
This test item is to check whether the memory refresh works normally. The 
parameter dialog window is as follows: 
 
Subtest 09  Cache Memory 
The test item is to check whether the CPU internal cache memory could be 
accessed correctly. 
Subtest 10  Random Memory 
Random Memory test includes the following two test items: Randomize Test and 
Random Incremental Read/Write Test. The parameter dialog window is the same 
as that in ‘Subtest 03 Extended Pattern’. 
1.  Randomize Test 
This test item is to check whether the memory could be correctly accessed 
with randomized data and randomized memory address. 
2.  Random Increment Read/Write 
Satellite A300,Satellite Pro A300, EQUIUM A300,SATEGO A300 Maintenance Manual 
39