Troubleshooting Procedures   
2-32 [CONFIDENTIAL] TECRA A11/S11/P11/Satellite Pro S500 Series Maintenance Manual (960-784) 
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.