Agilent Technologies N8201A Service Manual download pdf (Page 12)

12 Agilent N8211A/N8212A Performance Upconverter Synthetic Instrument Module, 250 kHz to 20/40 GHz

1 Security Features

Erase and Overwrite All

This function performs the same actions as Erase All and then clears and overwrites the

various memory types in accordance with Department of Defense (DoD) standards as

described below.

On the upconverter, send the following SCPI command:

:SYSTem:SECurity:OVERwrite

Erase and Sanitize All

This function performs the same actions as Erase and Overwrite All and then adds

more overwriting actions as described below.

After executing this function, you must manually remove the battery to sanitize the

instrument in compliance with Department of Defense (DoD) standards. Refer to

“Battery Removal/Replacement" on page 23 for details.

SRAM All addressable locations are overwritten with random characters.

CPU Flash All addressable locations are overwritten with random characters and then the flash blocks are

erased. This accomplishes the same purpose of a chip erase, however, only the areas that are no

longer in use are erased and the factory calibration files are left intact. System files are restored after

erase.

Hard Disk All addressable locations are overwritten with a single character. (This is insufficient for top secret

data, according to DoD standards. For top secret data, the hard drive must be removed and

destroyed.)

SRAM All addressable locations are overwritten with random characters.

CPU Flash Overwrites all addressable locations with random characters and then erases the flash blocks. This

accomplishes the same purpose as a chip erase. System files are restored after erase.

Hard Disk All addressable locations are overwritten with a single character and then a random character. (This

is insufficient for top secret data, according to DoD standards. For top secret data, the hard drive

must be removed and destroyed.)

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Agilent Technologies N8201A Service Manual Page 12