Toshiba A20-S259 Maintenance Manual - Page 84

2 Troubleshooting Procedures 2.5 FDD Troubleshooting 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 info rmation 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. Table 2-4 FDD error code and status Code 01h 02h 03h 04h 06h 08h 09h 10h 20h 40h 60h 80h EEh FFh 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 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 Satellite A20 Maintenance Manual (960-444)