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Sniffing the Rigol's internal I2C bus
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ted572:
DS2000/DS2302 with updated  FW 02.01.00.03 falls back to DS2202:

My DS2072 with upgrade DS2302 falls back to DS2202 with max TB of 2 ns when I update FW from 01.01.00.02it to FW 02.01.00.03 per ’cybernet' using the Boot Method (Power ON + Help) as he recommends and describes for updating to this FW.  BTW the S/N is still the original.

Would uninstalling the Options with Ultra Sigma and then reinstalling them with the Keygen possibly help while in this state. (FW 02.01.00.03 and reporting DS2202/2ns max TB)?  This question is a shot in the dark because I'm at wits end.  I must be missing something simple here.

When I reinstall back to FW 01.01.00.02 it reports that it is a DS2301 and the maximum TB is 1 ns as it was originally. Again using the Boot Method (ON + Help).  This even seems strange that it would revert back to DS2303 fully where it was originally.  And the S/N is still the original.

Has anyone else experienced this, or have any idea what I may be doing wrong, or could do differently straighten this out?

History: I originally upgraded my DS0072 with FW 01.01.00.02 to 100 MHz BW, then to 200 MHz (DS2202), and lastly to 300 MHz (DS2302) and it has been working fine.  Now of course I just want to install the latest Firmware 02.01.00.03.  As stated above it goes to this FW OK, but reports being DS2202 with the maximum TB of 2 ns (as is normal for DS2202).

Thank you for any assistance, Ted
marmad:

--- Quote from: ted572 on December 11, 2013, 08:33:45 pm ---DS2000/DS2302 with updated  FW 02.01.00.03 falls back to DS2202:

My DS2072 with upgrade DS2302 falls back to DS2202 with max TB of 2 ns when I update FW from 01.01.00.02it to FW 02.01.00.03 per ’cybernet' using the Boot Method (Power ON + Help) as he recommends and describes for updating to this FW.  BTW the S/N is still the original.

Would uninstalling the Options with Ultra Sigma and then reinstalling them with the Keygen possibly help while in this state. (FW 02.01.00.03 and reporting DS2202/2ns max TB)?  This question is a shot in the dark because I'm at wits end.  I must be missing something simple here.

When I reinstall back to FW 01.01.00.02 it reports that it is a DS2301 and the maximum TB is 1 ns as it was originally. Again using the Boot Method (ON + Help).  This even seems strange that it would revert back to DS2303 fully where it was originally.  And the S/N is still the original.

Has anyone else experienced this, or have any idea what I may be doing wrong, or could do differently straighten this out?

History: I originally upgraded my DS0072 with FW 01.01.00.02 to 100 MHz BW, then to 200 MHz (DS2202), and lastly to 300 MHz (DS2302) and it has been working fine.  Now of course I just want to install the latest Firmware 02.01.00.03.  As stated above it goes to this FW OK, but reports being DS2202 with the maximum TB of 2 ns (as is normal for DS2202).

Thank you for any assistance, Ted

--- End quote ---

There's no reason for using cybernet's modified FW to achieve 300MHz bandwidth anymore - it's a purchasable and installable option in the newest firmware (as is the CAN trigger/decode). Just look back through the last couple of pages for the keys needed to install either or both options in v.2 firmware.

Here is cybernet's original post with the codes.
AndersAnd:
Ted, you need to use DSHH when generating an all options enabled key for the new firmware instead of DSAZ used on older firmwares.
So before upgrading to the new firmware I would uninstall all keys, then upgade to the new firmware and generate a new key using DSHH.
Don't use any custom firmware to get 300 MHz anymore, you can get that with DSHH.
jonese:
There's more going on here they we currently understand (no doubt, to be expected).

I have a real 2102 that I keygen'd to a 2202 many months ago.  Today I uninstalled the options (several times actually) and power cycled and my machine then was a 2072 (remember this is a real 2102).  I then upgraded the firmware to the latest (and also did the FRAM clear on bootup).  The unit then identifies itself as a 2202.  I also uninstalled the options again, but it continued to be a 2202.  Under the options page, there is a 200 bandwidth trial timer-count down.

In the last step, I used the keygen with DSHH and it's reporting as a 2302.  Trial options page still lists the bandwith 200 option has being present, but with a timer-count down (everything else was official).  Also my serial number continues to be proper.

There is something lingering in the options storage that the standard methods are not removing.  I'm also guessing my unit has lost it's 2102 factory identity and is reverting to 2072 in the earlier firmware when I remove the options.

Perhaps there was something permanent done to the machine several months ago with the VSAx (temporary keys) loading?

Not complaining, just noting what I saw.  It's happily pretending to be a 2302.
cybernet:
this is likely due to rigol changing the addresses & meaning of their NVRAM/FRAM storage between releases + some chinese quality coding
i guess the killer here was that u had a DS2102 and installed a 100M option (which in reality was unneeded) by uninstalling that it fell down to a DS2072.
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