Toshiba T2100 Series Maintenance Manual page 40

Procedure 2 Diagnostic Test Program Execution Check
The Floppy Disk Drive Diagnostic Test program is stored on the T2100/T2105 Series
computer Diagnostics Disk. After loading Toshiba MS-DOS, run the diagnostic program.
Refer to Chapter 3, Tests and Diagnostics, for more information about the diagnostic test
procedures.
Floppy disk drive test error codes and their status names are listed in Table 2-3. Make sure
the floppy disk in the FDD 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.
Table 2-3 Floppy disk drive error codes 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.
2-18
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
T2100 Series