Toshiba 960-809 Manual Do Utilizador

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  Tests and Diagnostics  
 
 
PORTEGE M780 Maintenance Manual (960-809) 
[CONFIDENTIAL] 
3-155 
3.34.7.14 SMART CHECK Test 
1) Test content 
the judgment of the problem existence of HDD is performed using "HDD SMART 
information." 
 
The check of the number of alternative sectors 
The "Raw Value" value of "Reallocated Sector Count" of "SMART ID#5" in the data 
acquired by "SMART READ ATTRIBUTE DATA" is checked. 
If the value becomes 100 or more, it will be considered as an error. 
 
The check of an upper controller log 
the latest log reported to the upper controller is checked. and "Error Register" If there is a 
value, it will judge with an effective log. Next, it tests by reading to LBA by which logging 
is carried out. "Command=C 8h (Read DMA)" or "25h (Read DMA Ext)" are then used.  
When a media error is detected by a reading test, it is considered as an error. 
 
■Simple Mode / Detail Mode 
The same operation is carried out whichever it chooses. 
 
2) Test screen 
a test screen is not displayed. 
■ In the case of PASS 
The PASS Count display on the test screen is zoomed in and (OK) is displayed in the Result 
field on the WinPE T&D screen. 
 
■ In the case of FAIL 
The Error Count on the test screen is zoomed in and (NG) is displayed in the Result field 
on the WinPE T&D screen.