Chip ID is sensitiv for Winbond devices. Sometimes not present, but programming works.
What are your results (erase, write, verify ) ?
help error at oxoooooo chip=0x04 buffer =0x04
Re: help error at oxoooooo chip=0x04 buffer =0x04
whats voltages of programmer measure in the adapter?
Re: help error at oxoooooo chip=0x04 buffer =0x04
no can be programmed W39V040A
Re: help error at oxoooooo chip=0x04 buffer =0x04
Check jumpers are Jp2,Jp3,Jp4/
Report where problem start and what error message . Erase> Blank check> Write> Verify,
Report where problem start and what error message . Erase> Blank check> Write> Verify,