What chip is this??

[Bruce Plecan]

83, V6, EFI..
That sounds odd, if carb'd then it's just a PROM, and not reprogramable.
Large Clear Clip, is a new deal to me.
Bruce

> > >I am a newbie to this group, and to FI in general.
> > >I have an ECM (16025321) from an '83 6 cyl. camaro.
> > >The PROM has a bunch of numbers after the DELCO 512K...
> > >8317 3061 06630 CE1024.
> > >What PROM device is this? Also, this chip does not have
> > >a window like other EPROMS. I assume I can erase it with
> > >my device programmer just the same, or copy the bin to
> > >another EPROM, but I can't read it correctly until I
> > >know what device it is.
> > Mike,
> > GM didn't use EEPROMS until recently, if it's an 83 and has no window,
then
> > it is a standard PROM (not EPROM) and is not eraseable.
> > Not sure why it says 512K... nothing that early used that size prom...
It's
> > most likely an 82S181.  How many pins does the prom chip have?
> > ===========================================================
> >            David Cooley N5XMT           Internet: N5XMT at bellsouth.net
> >      Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
> >    Sponges grow in the ocean... Wonder how deep it would be if they
didn't?!
> > ===========================================================
> It has 24 pins and it is set in the ECM with a large clear clip.
> Other numbers on the chip are.. 8566 ASH.
> Mike