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Sniffing the Rigol's internal I2C bus
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CustomEngineerer:
I found one of the shorter to the point threads on hacking the DS2000A series. This link goes straight to reply #44, the replies before that are talking about the older ways to do the hack so you shouldn't need to look back any further.
https://www.eevblog.com/forum/testgear/unlockinghacking-the-rigol-ds2000a-series-scope-the-short-post/msg559767/#msg559767
jmccorison:
Or, for a slightly more detailed description you can go back one page in this thread to Dave92F1's excellent write up:
https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg633003/#msg633003

In that post he comments that step 11 might not be needed which my recent experience confirms, at least for version 00.03.00.SP1.
Pacif13r:

--- Quote from: CustomEngineerer on April 03, 2015, 08:59:53 am ---I found one of the shorter to the point threads on hacking the DS2000A series. This link goes straight to reply #44, the replies before that are talking about the older ways to do the hack so you shouldn't need to look back any further.
https://www.eevblog.com/forum/testgear/unlockinghacking-the-rigol-ds2000a-series-scope-the-short-post/msg559767/#msg559767

--- End quote ---

Arrghhh. What  a waste of time on a day trying different combinations of jtag / bluefin drivers / memory ranges / speeds / checking and rechecking my cable  :palm:

This did the trick wonderfully, thanks so much. I will put in here as a warning for others that I did then waste about 2 hours trying different combo's of memory dump via the USB & LAN cable because rigup would not find keys in my dump. It turns out that rigup 1.4.1 despite the sequence indicating a later version of 1.4 might be an entirely different branch which caters only for 1000Z's :( I went back and got 1.4(.0) and it worked straight away on my (ex)DS2072A.

Thanks again for your help! and Thanks for your link too jmccorison it was useful to see the unabridged version when it came to figuring out how to get the code in without manually entering it.
dagg:

--- Quote from: jmccorison on April 02, 2015, 09:13:09 pm ---Dave92F1, Thanks for a great post on unlocking the DS2072A.

Some observations about it. I first performed the unlock on firmware 00.03.00.SP1 and it worked like a champ. I missed step 11 as it was so similar to step 12, so you are correct that step 11 doesn't need to be performed. I then upgraded to firmware 00.03.03.01 and the previous unlock was still in effect.

When I check installed options all options show as "official version" except for the MEM_DEPTH which stills shows as trial. I can live with that.

When I installed the new key the RigolBildschirmkopie.exe tool displayed an error "There was an error when sending the SCPI command." However it still performed the desired action.

--- End quote ---

Forgetting step 11 is exactly causing the mem-depth option to stay on trial, please redo step 11 (only) and it will be ok too, so even after the omission.

Cheers, Jan.
dadler:
Wow the non-intrusive nature of the latest DS2000 upgrades almost has me convinced I "need" a DS2000 series scope in addition to my 1054z. The DS2000 series has been out for a few years though, kinda concerned that a new model will be released in the not-too-distant future.

Does Rigol have an average/typical release cadence for new/replacement products?
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