Toshiba E-STUDIO2008A - 8.3.21 Service call for others

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ERROR CODE AND TROUBLESHOOTING
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8.3.21 Service call for others
[F100_0] HDD format error (Operation failure of key data)
[F100_1] HDD format error (HDD encryption key data damaged - one board)
Take appropriate countermeasures shown in the table below according to the messages displayed in
“SRAM Key Status” and “FROM Key Status”.
Remarks:
If the error is not cleared, reinstallation of the OS data, master data and application is needed.
Classification Contents
Other service call HDD format error: Operation of HDD key data fails.
Check Item Measure
Setting Reboot the equipment.
If it cannot be recovered, reinstall the software in the following
procedure.
(1) Install the OS data.
 P. 11-5 "11.2.2 Update procedure"
Classification Contents
Other service call HDD format error: Encryption key data of either the SYS board
or the SRAM board for the SYS board are damaged.
Check Item Measure
Encryption key status Check the displayed message. ([3] + [CLEAR]  Power-ON 
5. Key Backup Restore)
SRAM Key
Status
FROM Key
Status
Measure
OK AccessFailed Replace the SYS board.
 P. 9-19 "9.2.4 Precautions and procedures when replacing
the SYS board" (all steps)
OK KeyNull Recover the encryption key on the SYS board.
 P. 9-19 "9.2.4 Precautions and procedures when replacing
the SYS board" ( P. 9-21 "[D] Restore encryption key")
KeyBroken
AccessFailed OK Replace the SRAM board (for the SYS board). (USB backup
data are not used)
 P. 9-25 "9.2.8 Precautions and procedure when replacing
the SRAM" (all steps)
KeyNull OK Recover the encryption key on the SRAM board.
 P. 9-25 "9.2.8 Precautions and procedure when replacing
the SRAM" ([H]Backup encryption key)
KeyBroken
Keymismatch Keymismatch <The error occurs when the SYS board is replaced>
Recover the encryption key on the SYS board.
 P. 9-19 "9.2.4 Precautions and procedures when replacing
the SYS board" ([D]Restore encryption key)
<The error occurs except when the SYS board is replaced>
Replace the SRAM board (for the SYS board).
 P. 9-25 "9.2.8 Precautions and procedure when replacing
the SRAM" (all steps)