Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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true:

--- Quote from: true on January 17, 2014, 02:30:56 am ---
--- Quote from: Marc M. on January 16, 2014, 08:39:16 am ---Good news Everyone!  Attached to this post is a utility to repair corrupted S/N's on DS2000 series scopes!  Someone I know took up the challenge to write a utility to repair corrupted serial numbers as their contribution to all the great work done so far.  It's a simple but very clever Windows .exe file that will ask your model/serial # and modify a .gel file located in the same directory as the executable file.  Note: This utility only works with firmware version 00.01.01.00.02.  If you need a copy of this firmware version, see Marmad's post (Reply #2) in this thread: https://www.eevblog.com/forum/testgear/first-impressions-and-review-of-the-rigol-ds2072-ds2000-series-dso/  The locations of the model & S/N change between firmware versions so it will corrupt any other version of firmware so verify that you have firmware version 00.01.01.00.02.  It also requires the ability to send SCPI commands to the scope.

--- End quote ---

BRILLIANT, saved me some work (not like I haven't been not busy enough to do any) - thanks :)

--- End quote ---

Well maybe I was a bit premature. It doesn't work.

After loading the firmware and showing the advanced serial screen, the serial is correct, but the model is still incorrect (showing 2202). After following the instructions I still get DS2202 with 14-digit xx0001 SN. Yes, I selected DS2072 in the tool. Do codes need to be installed before starting this?

I can load new codes for my original SN, so parts of it seem to be working, but the display is still wrong :/

EDIT: I've tried using DS2202 model option, but it still doesn't work.
After rebooting I can't send a code against my serial number until I enable the advanced system info menu, then I can. So it is loading (at least the serial portion), but looks like whatever is supposed to save the serial isn't working or has some other problem.
Altemir:
MrKrabs
You have got 500MHz DSO with this FW, but SysInfo show DS4014? Do you already have frequency response tests?
johna:
Hi,
I've read big part of this thread  and I could understand most of it - I've downloaded and compiled keygen code. I've also downloaded modified firm ware. What I don't understand is:
1. I know you have to change DS2xxxA firmware with 2xxx in order the keygen to work. the most important thing is can this be reversed. It's quite an expensive instrument to risk warranty. Can it go to standard non-options firmware (or with the options you buyed if you had.
1.1. can options be removed?  how?
1.2. will the scope (DS2072A) accept official unpatched firmware upgrade from Rigol after it's flashed with patched DS2072 version. What will happen to installed options if you update it back again to DS2072A. Will there be a trace/log of installed codes (warranty). Or is there any kind of log of what you are trying to put on your scope - firmware, codes ... etc.
2. what does GEL mean? I guess I missed the explanation.
3. Do I have to open my scope in order to upgrade it? I know it would help if I sniff the internal bus and send the results, but I can't afford to risk the warranty.
Most of the people are happy how they are gonna boost their scope and no one asks about warranty. And most of the people can't afford to buy these options, so the loss if the scope brakes and they refuse to fix it/replace it will be quite high.

It might be good if someone (andyturk) puts those in the first post which could be used as a wiki page.

I'm sure Rigol have good reasons to put those prices on the options and I'm sure you haven't already payed for it when you are buying the scope - they probably just lowered the price with the idea to compensate when options are sold. But ... I can't afford them and I don't make tons of money from it so my conscience is clean. So good job and big thanks to all guys making this possible.
bluesmoke:

--- Quote from: true on January 17, 2014, 05:03:27 am ---
--- Quote from: true on January 17, 2014, 02:30:56 am ---
--- Quote from: Marc M. on January 16, 2014, 08:39:16 am ---Good news Everyone!  Attached to this post is a utility to repair corrupted S/N's on DS2000 series scopes!  Someone I know took up the challenge to write a utility to repair corrupted serial numbers as their contribution to all the great work done so far.  It's a simple but very clever Windows .exe file that will ask your model/serial # and modify a .gel file located in the same directory as the executable file.  Note: This utility only works with firmware version 00.01.01.00.02.  If you need a copy of this firmware version, see Marmad's post (Reply #2) in this thread: https://www.eevblog.com/forum/testgear/first-impressions-and-review-of-the-rigol-ds2072-ds2000-series-dso/  The locations of the model & S/N change between firmware versions so it will corrupt any other version of firmware so verify that you have firmware version 00.01.01.00.02.  It also requires the ability to send SCPI commands to the scope.

--- End quote ---

BRILLIANT, saved me some work (not like I haven't been not busy enough to do any) - thanks :)

--- End quote ---

Well maybe I was a bit premature. It doesn't work.


--- End quote ---

Make sure you follow the instructions to the letter.... especially step 7 to anchor the changes to flash...


--- Quote ---7.  Connect using scpi and issue :SYSTem:OPTion:UNINSTall command which will
      uninstall all keys and save to flash
--- End quote ---

All I did at the end was reinstall the latest firmware and then reinstall the options with DSEZ to give me 200MHz and CAN, Triggers, Decoders and Memory upgrade.
I have cycled the scope a number of times now and it all seems good to go.
MrKrabs:

--- Quote from: Altemir on January 17, 2014, 07:08:53 am ---MrKrabs
You have got 500MHz DSO with this FW, but SysInfo show DS4014? Do you already have frequency response tests?

--- End quote ---

That's correct, SysInfo shows DS4014. The 500MHz bandwidth on the hacked DS4014 has been confirmed by many others on this thread and in some Youtube videos.

I don't have anything to test the 500MHz BW, but was thinking of trying to probe Gigabit Ethernet (125MHz) for fun.
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