Google drive does not like my winXP lappy, post the 4k 2732 file here, I would like to figure out the checksum. It's not your issue but I am curious.

Something I found on the net about your other programmer. https://www.eevblog.com/forum/repair/how-to-program-eprom-m2732-21v-with-tl866/

I show 2732 to be 25v programming and 2732a to be 21v...

I can imagine the frustration you feel, it's like de javu of stuff we lived with in the mid 80's while we were learning :(

If you don't mind, post your 2732(x) .bin file and I will burn to stuff I...