HP E1418A manual Serial Number

Address	Read Registers		Write Registers	Type
Base + 18016		Calibration resistor value		Calibration Registers
Base + 18216		Calibration resistor value		(non-volatile)
Base + 18416		Voltage calibration status
Base + 18616		Current calibration status
Base + 18816		Calibration isolation status
Base + 18A16		Calibration card configuration
Base + 18C16		Calibration checksum
Base + 18E16		SERIAL NUMBER		Module Serial Number
				Registers
Base + 19016
				(10 byte serial number)
Base + 19216				(non-volatile)
Base + 19416
Base + 19616
Base + 19816		Undefined calibration memory		Undefined Calibration
				Storage Registers
Base + 19A16
				(non-volatile)
Base + 19C16
Base + 19E16
Base + 1A016
Base + 1A216
Base + 1A416
Base + 1A616
Base + 1A816
Base + 1AA16
Base + 1AC16
Base + 1AE16
Base + 1B016
Base + 1B216
Base + 1B416
Base + 1B616
Base + 1B816
Base + 1BA16
Base + 1BC16
Base + 1BE16

Note Calibration Registers 0010016 through 001BE16 are located in non-volatile (FLASH) memory. Writing to this memory requires a complicated sequence of register accesses not documented here. It is recommended that calibration be performed using the SCPI driver for the module, not register access.

Appendix B HP E1418A Register-Based Programming 125