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Procedure 2
Diagnostic Test Program Execution Check
The Floppy Disk Drive Diagnostic Test program is stored on the Diagnostics Disk. After
loading Toshiba MS-DOS, run the diagnostic program. Refer to Chapter 3,
nostics, for more information about the diagnostics test procedures.
Floppy disk drive test error codes and their status names are described in table 2-3. Make
sure the floppy disk in the FDD is formatted correctly and that the write protect tab is dis-
abled. If any other errors occur while executing the FDD diagnostics test, go to Check 1.
Table 2-3 Floppy disk drive error code and status
Check 1
If the following message is displayed, 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.
2-14
Code
01h
Bad command
02h
Address mark not found
03h
Write protected
04h
Record not found
06h
Media removed on dual attach card
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
Status
Tests and Diag-
100CS
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