[time-nuts] FE-5680A firmware dump

EB4APL eb4apl at cembreros.jazztel.es
Mon Feb 13 01:08:23 UTC 2012


Has anybody tried to ask the guy who made the forensics in Youtube if he 
could send the remnants to Elio?  He could make a very good use of them.

Ignacio, EB4APL

El 07/02/2012 0:30, Elio Corbolante wrote:
> From: "Steve ."<iteration69 at gmail.com>
>> I've been considering ripping the firmware from the mcu as well.  I've not
>> got beyond the consideration stages, but i have all the equipment here at
>> work. When you say that the read option is not available. is this because
>> the chip has protection fuses enabled?
>> Also, what programmer do you have, Here at work I have a galep-5 which
>> AFAIK can read both the mcu and cpld/fgpa/pga, whatever it is (provided
>> they are not locked, or the state machine encrypted)
> My programmer is a MQP Pin-Master 48<http://www.mqp.com/pm48.htm>  which
> directly support the PSD chip via JTAG (JAM STAPL files).
> According to this document:<http://www.mqp.com/pdf/apnotes/30201.pdf>  the
> programmer does not support "auxiliary" functions like "reading" the
> device, but only erase/program/verify.
> The official programmer/software (FlashLINK/PSDsoft Express)<
> http://www.st.com/internet/com/SOFTWARE_RESOURCES/TOOL/CONFIGURATION_UTILITY/um0050.zip>
> permits to "dump" the content of the PSD in an .obj file, but at this date
> I have not this programmer and I have to build it<
> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/USER_MANUAL/CD00004566.pdf>
> :-(
> If you are able to dump the software using your Galep 5, you are welcome!!!
> :-)
> Otherwise my two options will be:
> 1) to build a FlashLINK clone, hoping the PSD contents are not protected:
> according to this document<
> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/USER_MANUAL/CD00004566.pdf>
> (Pag. 17) the protection flag can't be enabled using the JTAG interface...
> 2) to remove the PSD chip and read its contents using a different
> microprocessor (this will work for certain)
> _      Elio.
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