Toshiba T6400, Maintenance Manual

Page: 45 / 198

2-29
If you cannot format the HDD, go to Procedure 4.
Procedure 4 Diagnostic Test Program Execution and Replacement Check
The HDD test program is stored in the T6400 Diagnostic Disk. Perform all of the HDD subtests in
the Hard Disk Drive Test. Refer to Chapter 3, Tests and Diagnostics for more information about
the HDD test program.
If an error is detected during the HDD test, an error code and status will be displayed; perform
Check 1. The error code and status are described in Table 2-4. If an error code is not generated,
the HDD is operating properly.
Table 2-4 Hard disk drive error codes and statuses
Check 1 Replace the HDD unit with a new one following the instructions in Chapter 4, Re-
placement Procedures. If the HDD is still not functioning properly, perform Check 2.
Check 2 Replace the system board with a new one following the instructions in Chapter 4,
Code Status
01h Bad command
02h Bad address mark
04h Record not found
05h HDC not reset
07h Drive not initialize
09h DMA boundary error
0Ah Bad sector error
0Bh Bad track error
10h ECC error
11h ECC recover enable
20h HDC error
40h Seek error
80h Time out error
AAh Drive not ready
BBh Undefined
CCh Write fault
E0h Status error
F0h Not sense error (HW. code = FF)