EPROM Eraser not erasing New EPROM

[MysticZ]

93 Formula wrote:
> 
> I just bought a new eprom (in memcal carrier) for my 93 f-bod and read it in
> fine using the pocket programmer, but I cant seem to erase it. I am using
> the Datarase II EPROM eraser which I rigged so it would stay on with the
> cover off. I put the clear part of the eprom over the light and set the
> timer for the longest time 3 times and still I have no "FF's" appearing when
> I plug it in for the blank check in the pocket programmer. Am I missing
> something? The other side of my eprom has what appears to be the chip with
> the factory sticker on it, so I THINK I am putting the right side under the
> light. Could new eproms be NON programmable?

I heard once that they're PROMs, not EPROMs, which would mean they can't
be rewritten, but I have no proof of that.
-- 
Steve
97 Chevy Camaro Z28, Mystic teal, A4, not stock
90 Kawasaki EX500A4, black, M6, not even CLOSE to stock!
lt1_z28 at ev1.net  http://users.ev1.net/~lt1_z28
Aluminum, steel, carbon fiber, titanium, and two cast iron balls.
McMillan Motorsports- http://www.mmsbikes.com
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