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45641001TH Rev.1

3-16 /

Oki Data CONFIDENTIAL

[C] Creating HDD partition (Format HDD)

 WhentheHDDisreplacedorUIdata,etc.aredownloadedusingtheUSBstorage,itis

necessarytoformatapartitionintheHDDbeforedownloading.Inthiscase,thepartitionis

created in the HDD with this function.

Notes:

• Whendownloadingwithadownloadjig,itisnotnecessarytoformatapartitionin

advance.

• PerformtheHDDpartitionformattingonlywhenanewHDDisinstalledsincealldatain

the current HDD are erased by this operation.

[D] Formatting SRAM data (Clear SRAM)

 WhenSRAMisreplacedwithanewone,abnormalvaluesmaybewritteninthenewSRAM.

SRAM data must be formatted with this function for such case.

Notes:

• ThisfunctionisrequiredonlywhenanewSRAMisinstalled.

• DonotperformthisfunctionincasesotherthantheinstallationofanewSRAM

because all data in the SRAM will be deleted with this function.

[E] Backing up/restoring encryption key and license (Key Backup Restore)

 WhentheSRAMboard(fortheSYSboard)ortheSYSboardisreplacedorinitialized,the

encryptionkeyandlicenseareerased.Therefore,theyneedtobebackeduporrestored

with this function.

 Congurationsandfunctionsofthe“5.KeyBackupRestore”menu.

1. KeySRAMtoFROM

Restore the encryption key from SRAM to FROM.

2. KeyFROMtoSRAM

Back up the encryption key from FROM to SRAM.

3. LicenseSRAMtoFROM

Restore the license from SRAM to FROM.

4. LicenseFROMtoSRAM

Back up the license from FROM to SRAM.

5. ADIKeySRAMtoFROM

 RestoretheADIKeyfromSRAMtoFROM.

6. ADIKeyFROMtoSRAM

 BackuptheADIKeyfromFROMtoSRAM.

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