[Gmecm] Erasing EPROMs

[bcroe at juno.com]

I use what is a flourescent tube, without the flourescent 
coating.  Clear glass.  To get erasure in reasonable 
time, my chips need to be almost touching the tube.  

After you find the minimum time, I would triple it to 
avoid any marginal situations.  

Bruce Roe

8 May 2005  William Lucke <william.lucke at highspeedlink.net> writes:
> I have a chip from an OBD-I Cadillac Northstar. It has two 
> 27C512 EPROMs. I removed the ESC board and the 
> stickers over the erase windows and put them into my 
> eraser for 30 minutes. They did not erase. What do 
> I need to do to these chips to get them to erase?