45584901TH Rev.1 6-29 /Oki Data CONFIDENTIAL6.3 Precautions for Installation of GP-1070 and Disposal of HDD/ Board6.3.1 Precautions for Installation of GP-1070When installing the Data Overwrite Enabler (GP-1070), perform the following setting:3C → 6. Erase HDD Securely : HDD securely erasingThis setting is the overwriting method complying with DoD 5220.22-M.1 : LOW: This is the normal overwriting method. (This setting is used normally.)2 : MEDIUM: This overwriting method is more secure than LOW. The erasing time is betweenLOW and HIGH.3 : HIGH:This is the most secure overwriting method. It takes the longest time to erase data4 : SIMPLE : This is the simple overwriting method. It takes the shortest time to erase data.6.3.2 Precautions when disposing of HDD[1] When disposing of aDI-HDDWhen disposing of ADI-HDD, perform the following setting:4C → 1. Revert factory initial status HDD[2] When disposing of saTa-HDDWhen disposing of SATA-HDD, perform the following setting:3C → 6. Erase HDD Securely (HDD securely erasing)This setting is the overwriting method complying with DoD 5220.22-M.1 : LOW: This is the normal overwriting method. (This setting is used normally.)2 : MEDIUM: This overwriting method is more secure than LOW. The erasing time isbetween LOW and HIGH.3 : HIGH:This is the most secure overwriting method. It takes the longest time to erase data4 : SIMPLE : This is the simple overwriting method. It takes the shortest time to erase data.6.3.3 Precautions when disposing of the CU boardWhen disposing of the CU board, data clearing is not required since important data, such asuser information, etc. are stored in the SRAM board.6.3.4 Precautions when disposing of the SRAM board (for CU board)When disposing of the SRAM board (for CU board), perform 3C → 7:Erase SRAM Securely(SRAM securely erasing) for security reasons.Notes:If this is performed, the equipment cannot be started up.