Keithley Keithley 6517B data clearing procedure free download

File name Keithley_6517B_data_clearing_procedure.pdf

March 13, 2009 Clearing Data in Non-Volatile Memory in the Keithley Model 6517B product The Keithley Model 6517B 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 following sections describe how the data stored in the memory devices may be cleared or destroyed. Warning: Some of the procedures in this document may expose hazardous voltage and the risk of electric shock or death. Only trained, qualified, technical persons experienced with the risks and precautions of servicing electrical instruments should perform these procedures. Description of memory devices and their use: Microprocessors - contains some RAM for internal use and all information is lost when the unit is powered down. Flash - A 32-megabit flash device responsible for storing the firmware image and saved user setups. SDRAM - A 64-megabit memory that holds data and instructions for firmware execution. SRAM