What chip is this??

[Mike DiMeco]

David A. Cooley wrote:
> 
> At 09:03 AM 5/8/99 -0700, you wrote:
> >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