Instrument Security Procedures - Fluke 190 Series II User Manual

Memory
The 190 Series II ScopeMeter test tools has the
following memory devices:
1. D4000 Controller "Spider". Contains a mask ROM
4kx32 with a initial program with the operating code
for the product and a RAM 1kx32 to temporarily store
stack values for computing actions.
2. D4001: 1 x 4 Mb SRAM. SRAM memory used to
store:
- the actual screen and instrument setup.
- saved screens and instrument setups.

Instrument Security Procedures

3. D5000, D5002: 2 x 32 Mb Flash EEPROM.
Non-volatile memory used to store operating code
(instrument firmware) for the product, and to store
calibration constants.
4.
D5001, D5003: 2 x 8 Mb SRAM SRAM memory used
to store:
- the actual screen and instrument setup
- saved screens and instrument setups
Security Summary
The operating code (instrument firmware) stored in
D5000, D5002 can be read using dedicated remote
interface commands (only available for use by Product
Development).
Appendices
Instrument Security Procedures
Appendix C
C
C-1