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Sniffing the Rigol's internal I2C bus

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radiogeek97:
I think i am more worried about breaking the warranty tag than taking a soldering iron to a new DSA  :-BROKE   Too bad there was not a software way to short pins 7/8   
     Howard any more  pics available of the inside of your dsa815 I think those of us with new machines will be staring at that warrant void sticker armed with your discovery and going for it  >:D   
    One thought on the dhcp thing If I want a fixed IP address ect what if i change to the fixed IP address that I want then perform your upgrade Will the default dhcp address be overwritten ontop of the manual address?  just wondering

Howardlong:
I think the example I'm familiar with has been apart enough for now! But if it's disassembled again I'll organise some new pics.

Not sure about whether the IP address fixes after shorting pins 7 & 8, I was happy to live with DHCP. You definitely cannot change network settings after the pin 7&8 short mod though. However, you can if you're brave enough to do the PIC mod.

Links by the way are here:

https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg567821/#msg567821
https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg572507/#msg572507

Here's a DaveCAD of that PIC mod BTW.

roema:
Hi!

Has anyone a dump from DSA815 Bootloader?

Thanks!

radiogeek97:
Howard thanks
   I am going to study up on how to remove the warranty void sticker and make sure I dont have a dissaster there.  I think My skill level is more suited to Jumping pins 7,8 than the pic route. Thanks for all that you and the rest have done ! While the lower RBW would be great and may get "hacked" on the 1.04 bootloader some day, folks like you who take the chance to help the rest are Appreciated.   

big thanks from Boston, Ma

N8AUM:
Hello all, damn I wish I would have had the $$$ and purchased the DSA815-TG before they came out with this last rev that wont allow any of the hacks to work! Now am debating whether or not to install the latest firmware or wait hoping the hack gurus will come come up with a fix ?
Is anyone looking into a fix for the 815 ?

73  N8AUM

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