Products > Test Equipment
Sniffing the Rigol's internal I2C bus
G4RKO:
Just got my DS2072A today - wading through the 286 page user guide before I attempt an upgrade. I have read this thread in its entirety and can only marvel at the fantastic work done by a team of very talented people. One thing occurs, if for any reason my 2072A needs to go back to the supplier for repair is there anyway that the upgrade can be easily reversed? Thanks for any comments.
A Newbie!
Giggy:
--- Quote from: G4RKO on February 26, 2014, 08:59:14 pm ---Just got my DS2072A today - wading through the 286 page user guide before I attempt an upgrade. I have read this thread in its entirety and can only marvel at the fantastic work done by a team of very talented people. One thing occurs, if for any reason my 2072A needs to go back to the supplier for repair is there anyway that the upgrade can be easily reversed? Thanks for any comments.
A Newbie!
--- End quote ---
Theres an uninstall command for options and then you just install regular firmware.
SteveK:
First time poster. Thought I share my observations with the key generators posted here and give another data point. I have one of the original DS2102s (not the A version). Details of my scope are:
Model: DS2102
S/N: DS2A152270xxxx
Software version: 00.01.01.00.02
Hardware version: 1.0.2.0.0
SPU: 03.01.05
WPU: 00.06.05
CCU: 12.29.00
MCU: 00.05
I used the method described in post #1345 to generate the key to unlock the serial decode function (Option code: DSAC) in my scope. But instead of using this generated key, I decided to actually buy the option from Rigol and activated the option that way. What I found interesting is, the key I got from Rigol was totally different than the key generated by the online generator.
I guess I could of screwed something up, but the impression I got is that while the key generator may work, it doesn't look like it is the same code that Rigol gives outs. Has anyone else observed this or am I the only one that actually purchased the option?
zombie28:
--- Quote from: SteveK on February 27, 2014, 06:39:03 am ---I used the method described in post #1345 to generate the key to unlock the serial decode function (Option code: DSAC) in my scope. But instead of using this generated key, I decided to actually buy the option from Rigol and activated the option that way. What I found interesting is, the key I got from Rigol was totally different than the key generated by the online generator.
--- End quote ---
This is obvious consequence of using ECDSA algorithm in keygen. This algorithm uses some random value called 'seed', so there are many possible license codes that contain the same option bits (for a given serial number) and each of them is equally valid.
G4RKO:
--- Quote from: Giggy on February 26, 2014, 11:09:31 pm ---
--- Quote from: G4RKO on February 26, 2014, 08:59:14 pm ---Just got my DS2072A today - wading through the 286 page user guide before I attempt an upgrade. I have read this thread in its entirety and can only marvel at the fantastic work done by a team of very talented people. One thing occurs, if for any reason my 2072A needs to go back to the supplier for repair is there anyway that the upgrade can be easily reversed? Thanks for any comments.
A Newbie!
--- End quote ---
Theres an uninstall command for options and then you just install regular firmware.
--- End quote ---
Thanks Giggy. It may be a dumb question for which I apologise - where do I source the regular firmware from?
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