Procedure 3
Diagnostic Test Program Execution Check
The Floppy Disk Drive Diagnostic Test program is stored on the T1900!f1900C Diagnostics
Disk. After loading Toshiba
MS-DOS, run the diagnostics program. Refer to Chapter 3,
Tests
and
Diagnostics, for more information about the diagnostic test procedures.
NOTE:
As
noted in Chapter
3,
be sure to
remove
the
Diagnostics Disk
and
replace
it with a formatted work disk before continuing with
the
Diagnostic
Test
Program.
Floppy disk drive test error codes and their status names are listed
in
Table 2-4.
Table
2-4 Floppy Disk Drive Error Codes
and
Statuses
Code Status
01h
Bad
command
02h
Address
mark
not
found
03h
Write protected
04h
Record
not
found
06h
Media
removed
on
dual
attach card
OSh
OMA
overrun error
09h
OMA
boundary
error
10h
CRC
error
20h
FOC
error
40h
Seek error
60h
FOO
not
drive
SOh
Time out error
(Not
ready)
EEh
Write buffer error
FFh
Data
compare
error
If
any errors other than those listed
in
Table 2-4 occur while executing the FDD diagnostics
test,
go
to
Check I.
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.
Ifit
is, go
to
Procedure
4.
2-17
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