Products > Test Equipment

Sniffing the Rigol's internal I2C bus

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Mark_O:

--- Quote from: hooverphonique on April 08, 2014, 01:30:59 pm ---I think I've come across some sort of tamper-counter, ...

--- End quote ---

Nice way to spread FUD!   :-+

MTD:

--- Quote from: hooverphonique on April 08, 2014, 01:30:59 pm ---I think I've come across some sort of tamper-counter, because now the scope has stopped responding to any license I throw at it, both over LAN and in the user interface (no 'license is unavailable' message anymore, no reaction whatsoever).. power off, etc, doesn't help..

--- End quote ---

Hmm, if you haven't tried already, I'm wondering.
How about uninstalling all the options?
:SYSTem:OPTion:UNINSTall

MTD

Arkku:

--- Quote from: MTD on April 09, 2014, 05:25:47 am ---How about uninstalling all the options?
:SYSTem:OPTion:UNINSTall
--- End quote ---

In addition to this it might be a good idea to reinstall the firmware (it can even be the official firmware since the keys were already dumped).

hooverphonique:

--- Quote from: MTD on April 09, 2014, 05:25:47 am ---Hmm, if you haven't tried already, I'm wondering.
How about uninstalling all the options?
:SYSTem:OPTion:UNINSTall

--- End quote ---

you mean uninstalling the trial licenses that came with it? because that's all that's installed.. I never succeeded in installing any licenses myself.. It kept saying "license is unavailable" until it stopped reacting at all...

I also tried reflashing it with official firmware, but it still doesn't respond to any license key entry, meaning I can enter the key, but when pushing apply, nothing happens at all, and it's the same using :SYST:OPT:INST over SCPI..

thanks for any suggestions, guys...

hooverphonique:
so I tried ':SYST:OPT:UNINST', but there was no reaction on the screen (is there supposed to be?) and after reboot, all the trial options is still there and I still can't get a reaction by doing e.g. ':SYST:OPT:INST SY5ZYQFV4KG7DDZXC27D6Q5RU25M' ... It responds to the '*IDN?' command, so the connection should be fine..

is there some sort of master reset one may apply by some magic key combination or something?

this is really puzzling...

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