Model 2601B-PULSE Declassification and Security Instructions

2021-07-09
●Introduction
■If you have data security concerns, this document tells you how to clear or sanitize instrument memory devices in the Model 2601B-PULSE System SourceMeter®Instrument. It also explains how to declassify an instrument that is not functioning.
■The procedures in this document are written to meet the requirements specified in:
▲NISPOM, DoD 5220.22-M, chapter 8
▲ISFO Process Manual for Certification and Accreditation of Classified Systems under NISPOM
●Description of memory
■The 2601B-PULSE contains memory devices to hold firmware code that is executed by internal microprocessors to operate the product and memory to save setup information and data. The 2601B-PULSE stores data in volatile and nonvolatile memory in the following devices:
▲Microprocessors:Contain some RAM for internal use. All information is lost when the instrument is powered down.
▲Flash:A 32-megabyte flash device responsible for storing critical nonvolatile information,including:
◆The firmware image
◆The digital-side and analog-side FPGA images
◆Factory scripts
◆Dedicated reading buffers
◆An internal file system, which stores system settings, user setups, user strings, and user scripts
▲SDRAM: A total of 64 megabytes that holds data and instructions for firmware execution.
▲EEPROM: Two 128-kilobit devices that store calibration constants for the SMU and pulser and manufacturing strings (for example, the analog board serial number).

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2601B

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May 2020

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