Toshiba satellite A20 series Maintenance Manual page 84

2 Troubleshooting Procedures
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.
Floppy disk drive test error codes and their status names are listed in Table 2-4. Make sure the
floppy disk is formatted correctly and that the write protect tab is disabled. If any other errors
occur while executing the FDD diagnostics test, go to Check 1.
Code
01h
02h
03h
04h
06h
08h
09h
10h
20h
40h
60h
80h
EEh
FFh
Check 1 If the following message appears, disable the write protect tab on the floppy disk. 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.
2-34
Table 2-4 FDD error code and status
Bad command
Address mark not found
Write protected
Record not found
Media removed on dual attach card
DMA overrun error
DMA boundary error
CRC error
FDC error
Seek error
FDD not drive
Time out error (Not ready)
Write buffer error
Data compare error
2.5 FDD Troubleshooting
Status
Satellite A20 Maintenance Manual (960-444)