Toshiba 960-809 Manual Do Utilizador

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  Troubleshooting Procedures  
   
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[CONFIDENTIAL]  
PORTEGE M780 Maintenance Manual (960-809) 
2.5.2  Procedure 2 Diagnostic Test Program Execution Check 
Insert the Diagnostics Disk in the USB FDD, turn on the computer and run the test. Refer to 
Chapter 3, Tests and Diagnostics, for more information about the diagnostics test procedures. 
Make sure the floppy disk is formatted correctly and that the write protect tab is disabled. 
Floppy disk drive test error codes and their status names are listed in Table 2-7. If any other 
errors occur while executing the FDD diagnostics test, go to Check 1. 
Table 2-5  FDD error code and status 
Code Status 
01h Bad 
command 
02h 
Address mark not found 
03h Write 
protected 
04h 
Record not found 
06h Media 
replaced 
08h 
DMA overrun error 
09h 
DMA boundary error 
10h CRC 
error 
20h FDC 
error 
40h Seek 
error 
60h 
FDD not drive 
80h 
Time out error (Not ready) 
EEh 
Write buffer error 
FFh 
Data compare error 
 
Check 1  If the following message is displayed, disable the write protect tab on the floppy 
disk by sliding the write protect tab to “write enable”. If any other message appears, 
perform Check 2. 
Write protected
 
Check 2  Make sure the floppy disk is formatted correctly. If it is, go to Procedure 3.