M29W800Ab

[phantomEVO]

i would like to erase this chip but when if finish it says erase chip error. what i've to do?

[phantomEVO]

pcb 5.0b
software 98d12c3
no 3,3 jumper on the programmer
chip setted like 29lv800 or en29lv800

it seems there is an erase protection!

[phantomEVO]

why don't you answer me???

[phantomEVO]

here's My Willem http://img545.imageshack.us/img545/4063/ht7e.jpg with the EEPROM m29w800ab, When I click erase, at 17% it says erase complete, but when than i try to write it says after some minutes this error http://img35.imageshack.us/img35/7638/8qij.jpg

[phantomEVO]

here's the problem

http://www.youtube.com/watch?v=mWLFF-DK ... e=youtu.be

[Ezo]

Confirm valid ID reply (!) before next actions - read, erase, program.
No valid ID - check chip pins (straight, clean) in socket (look to pins ).
Recheck all jumpers.