Toshiba T1960CT Maintenance Manual page 39

Procedure 4 Diagnostic Test Program Execution Check
The HDD test program is stored in the T1960CS/T1960CT Diagnostics Disk. Perform all of
the HDD tests 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 displays; perform Check
1. Error codes and statuses are listed 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,
Replacement Procedures. If the HDD is still not functioning properly, perform
Check 2.
Check 2 Replace the lower system board with a new one following the instructions in
Chapter 4. If the FDD is still not functioning properly, replace the upper system
board.
2-22
Code
01h Bad command
02h Bad address mark
04h Record not found
05h HDC not reset
07h Drive not initialized
08h HDC overrun (DRQ)
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 error
CCh Write fault
E0h Status error
EEh Access time out error
FFh Data compare error
Status
T1960CS/T1960CT