Products > Test Equipment
DG4000 - a firmware investigation
PA0PBZ:
--- Quote from: cybernet on November 06, 2014, 10:36:16 pm ---http://bayfiles.net/file/1lwMQ/FCREFF/bfin_rigol_cybernet_updated.rar - this with right .ldr file
--- End quote ---
Got it, thanks!
guarneri0:
Hi,
I have read most of the thread and it appears that the latest 4062 is no longer hackable (as apparently it comes with a version of the firmware that can't be hacked yet.)
Is this still true? Is there perhaps a more complicated route, but still hack 4062 to go up to ~200Mhz? I was planning to purchase a 4062 and this is a key factor to consider.
Thanks.
PA0PBZ:
--- Quote from: cybernet on November 05, 2014, 01:12:32 am ---the old BL is fully reversed if somebody has questions about it.
--- End quote ---
Hi Cyber,
If you have an IDA file for the old BL I'd be more than happy to have a look. The new FW is a dead end, they removed the part that reads the license file and I'm not feeling like putting that back in. So the best route to take is to convince the new BL to accept older FW, but even disassembled the BF code is hard to read. So if I can understand the old one I could probably make something up to fool the new one.
cybernet:
see pm ;) dont want to give rigol ideas
fact:
Cyber,
My DG4062 also suffers from a too recent firmware to hack and I'd like to take a peek at your investigations regarding the previous version of the bootloader. Wonder if you could spare me a copy of your work.
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