GQ-4x4 - read and write from the M27C512 are not the same

[cinqueturbo]

I don't see the button/option as you suggested.
See the screen

ID.jpg

This is the sequence..
Not UV resistant..

[maurof650]

*cinqueturbo
ok..the check mark to erase (as I imagined) with the uv (and I think even with non-rewritable) is not required.
But the "double-write" is a simulation before writing, or other?

*ugoboss
I can't find the function that I have suggested, to check if the eprom is clean.

[ugoboss]

the function is "check vacuum"

[cinqueturbo]

*cinqueturbo
ok..the check mark to erase (as I imagined) with the uv (and I think even with non-rewritable) is not required.
But the "double-write" is a simulation before writing, or other?

*ugoboss
I can't find the function that I have suggested, to check if the eprom is clean.

The double writing, and simply double-write.. in practice, wrote two times to be certain that you do not leave anything unfinished.. on AM29F10 and almost obligatory