I have a GQ-3X programer and know when I try to burn 27C256 eprom at 51% gives the error write failed adress=0x004023, buffer=0x05 device=0x00 even if i change eproms I allready tried two.
If bothe chips failed at different location, then check the chip pin contact in ZIF socket. Also, use slower speed or try use a external power see if it makes different.
Problem burning 27C256
Posted - 01/24/2009 : 05:03:52
