Other Service Call - Toshiba e-STUDIO 2555C Service Manual

8.3.24

Other service call

[F100_0] HDD format error (Operation failure of key data)
Classification
Other service call
Check item
Setting
[F100_1] HDD format error (HDD encryption key data damaged - one board)
Classification
Other service call
Check item
Encryption key status
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 system firmware, system software and application
is needed. ([4]+[9] → Power-ON)
 P. 11-5 "11.2 Firmware Updating with USB Device"
SRAM Key FROM Key
Status Status
OK AccessFailed
OK KeyNull
KeyBroken
AccessFailed OK
KeyNull OK
KeyBroken
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HDD format error: Operation of HDD key data fails.
Reboot the equipment.
If it cannot be recovered, reinstall the software in the following
procedure.
1. Install the system firmware.
 P. 11-5 "11.2 Firmware Updating with USB Device"
HDD format error: Encryption key data of either the SYS board
or the SRAM board for the SYS board are damaged.
Check the displayed message. ([3] + [C] + [POWER] → 5. Key
Backup Restore)
Replace the SYS board.
 P. 9-22 "9.2.4 Precautions and Procedures when replacing
the SYS board" (all steps)
Recover the encryption key on the SYS board.
 P. 9-22 "9.2.4 Precautions and Procedures when replacing
the SYS board" ([D]Restore encryption key)
Replace the SRAM board (for the SYS board). (USB backup
data are not used)
 P. 9-26 "9.2.5 Precautions and procedure when replacing
the SRAM board (for the SYS board)" (all steps)
Recover the encryption key on the SRAM board.
 P. 9-26 "9.2.5 Precautions and procedure when replacing
the SRAM board (for the SYS board)" ([H]Backup encryption
key)
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Contents
Measures
Contents
Measures
Measure
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
8