Toshiba 400CS User Manual page 42

Procedure 4 Diagnostic Test Program Execution Check
The HDD test program is stored in the 400 series Diagnostics Disk. Perform all of the HDD
tests in the Hard Disk Drive Test. Refer to chapter 3, Tests and Diagnostics, for more infor-
mation about the HDD test program.
If an error is detected during the HDD test, an error code and status will be displayed; per-
form Check 1. The error codes and statuses are described in table 2-4. If an error code is not
generated, the HDD is operating properly.
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 system board with a new one following the instructions in chapter 4.
2-22
Table 2-4 Hard disk drive error code and status
Code
01h Bad command
02h Bad address mark
04h Record not found
05h HDC not reset
07h Drive not initialized
08 HDC overrun (DRQ)
09h DMA boundary error
0Ah Bad sector error
0Bh Bad track error
10h ECC error
11h ECC recover enabled
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
400 Series