i need help for poste radion rcd 310 vw

[houdiag]

hi all

I have a problem in reading the nec poste radio rcd 310 .eprom 95128+nec
You have connected all the points in the images. When you open the program, there is no read
Any help please:tears_of_joy::tears_of_joy:

[RadioChiP]

Maybe Nec is Locked,try First two digit method

[houdiag]

hi raddiochip
What is the second method?
Do I read eeprom 95128 and extracted the two numbers how do I calculate it

[RadioChiP]

http://www.digital-kaos.co.uk/forums/showthread.php/379014-RCD310-510-BLAUPUNKT-BOSCH-Algo-FIRST-2-digits?highlight=rcd310

Upload two dumps here

[houdiag]

thank you for my help