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Sniffing the Rigol's internal I2C bus

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stuartk:
Yes Alan, the serial stayed as the mangled DS2A0....001

But it's correct on the advanced system info screen.  :-//

Model number is corrupted on both the basic and advanced screens

I haven't done step 10-12 yet. Hope I won't destroy the damned thing.........

stuartk:
I selected Model 2102. I could retry it from the top with 2202...

alank2:

--- Quote from: stuartk on January 17, 2014, 06:57:22 pm ---Yes Alan, the serial stayed as the mangled DS2A0....001
But it's correct on the advanced system info screen.  :-//
Model number is corrupted on both the basic and advanced screens
I haven't done step 10-12 yet.

--- End quote ---

Probably smart to do steps 10 and 11 so you are back to a stock firmware.


--- Quote from: stuartk on January 17, 2014, 06:57:22 pm ---Hope I won't destroy the damned thing.........

--- End quote ---

Maybe you should give up on the serial fix and just use it...

alank2:

--- Quote from: stuartk on January 17, 2014, 06:58:20 pm ---I selected Model 2102. I could retry it from the top with 2202...

--- End quote ---

You could.  You might even try the ds2072 choice, that one did work for me, but I do have a ds2072.  Even if you get it to "stick" with a ds2072, you can upgrade it with a key anyway.  The question here is why doesn't it stick after issuing the uninstall and restarting.

stuartk:
OK,

I did it all from the top using the DS2202 as a base in the FW patch

The model number remained at DS2022 with the DS2A000...1 S/N  :(

I update to the latest firmware

I applied the DSGH code (for fun of course!)

And voila it works!!

The Model comes out as DS2302
The S/N remains mangled at DS2A0000000001

I have all the installed options

The minimum time base is now at 1ns.

Most importantly, I no longer have options (most of which I don't need) counting down annoyingly.

The only down side is that my S/N is wrong and I can no longer take a screen shot with Ultra Sigma.

The thing I haven't tried yet is doing the S/N repair set to a DS2072. When I did it as a 2102 and 2202 there were issues.

Thanks Anders and Alan for your help,  :-+

Regards, Stuart

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