Keysight E3640A Security Manual

Security Guide
Keysight E3640A - E3645A DC Power Supplies
Memory information and procedures
Product: E3640A, E3641A, E3642A, E3643A, E3644A, and E3645A
Date: 4 October 2018
For serial numbers below MY53176001, refer to
For serial numbers MY53176001 and above, refer to
Memory Information for Serial Numbers below MY53176001
Memory Type: ROM (Digital Board)
Memory Function: Digital microcontroller execution code storage
User Modifiable (Y/N): N
Memory Erase Processes: Not applicable, contains no application-specific information.
Memory Type: RAM (Digital Board)
Memory Function: Digital microcontroller temporary execution data
User Modifiable (Y/N): N
Memory Erase Processes: On power cycle.
Memory Type: ROM (Digital Board)
Memory Function: Product model, versions, calibration data, calibration count, memory-store data, IO configuration, register
configuration and states, calibration secure state, calibration secure code, and calibration message
User Modifiable (Y/N): Y
Memory Erase Processes: Same as the
Memory Information for Serial Numbers below
memory erase processes for serial numbers MY53176001 and above.
Memory Information for Serial Numbers MY53176001 and
Memory Size: 2 Mbits
Volatile (Y/N): N
Memory Size: 256 kbit
Volatile (Y/N): Y
Memory Size: 4 kbit
Volatile (Y/N): N
MY53176001.
above.