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The Rigol DS1052E
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jone:

--- Quote from: Mark_O on March 16, 2010, 10:42:10 am ---Which one did you change first?  I.e., writing the SN may force an update of non-volatile memory, while the Model does not.  If Andreas changed his Model first, then the SN; and you did things in the opposite order, that could explain it.

- Mark

--- End quote ---

Good point - I changed serial number first, then model. Will try the other way round after work...
Simon:

--- Quote from: bushing on March 16, 2010, 08:35:16 am ---


I look at it a little bit differently.

As far as the economics -- this is a bit like like microprocessors, where (e.g.) Intel will make one batch of chips and sell them at three different speed grades, depending on how they test.  This has a couple of benefits for Intel:

--- End quote ---
what you forget is that intel set out to get fast chips and through the nature of the process get some that won't perform so run them slower and make them still usable, this is clever and good as it lowers the price all round and is less waste, what rigol did was make a 100 MHz scope and then sell a load with a limitation that was artificially imposed. of course there were valid reasons i suppose.

the 2 rigol scopes have the same sample rate, even the 1052 is overclockedelse it would be a 20 MHz scope[/list]
Simon:
is all this being done with software provided on the original cd ?

from the commands manual I downloaded do I correctly understand that the whole scope can be command line controlled froma pc as it would from it's own control panel ? and of course for doing things like this
jone:

--- Quote from: Simon on March 16, 2010, 12:45:34 pm ---is all this being done with software provided on the original cd ?

from the commands manual I downloaded do I correctly understand that the whole scope can be command line controlled froma pc as it would from it's own control panel ? and of course for doing things like this

--- End quote ---

Not sure that there are actual apps on the CD, but there are some programming examples in the PDF which show you how to use the required libraries (I think these were on the CD, else they're on the rigol site).

I used a Linux machine, which has support for USBTMC (USB Test and Measurement Class) in the kernel. As soon as the scope is connected, it appears as a character device which you can read from and write to.
drieg:

--- Quote from: JimBeam on March 16, 2010, 10:16:35 am ---I was astonished from the beginning, that nobody had ever tried to change modelnumber and serialnumber before - since the docs about the "secret commands" are already dangling around a while. Perhaps all the fuzz about RIGOL losing money is obsolete, if this "patch" only works by chance...

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Nobody published doesn't mean nobody tried... ;)

As for the LA module - yes, it's also possible to turn DS1000E into DS1000D but you have to build not only external, but also internal LA module with ALTERA FPGA and ISSI SRAM...
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