AKFM in 730

[Programmer]

Ok--that's good to know. I know I've screwed up one of those
before tryingto read and save the file as a 256 k.

Lyndon.
----- Original Message -----
From: Ludis Langens <ludis at cruzers.com>
To: <gmecm at diy-efi.org>
Sent: Monday, February 12, 2001 12:15 AM
Subject: Re: AKFM in 730


> Programmer wrote:
> >
> > Shouldn't this be a 27C128 chip on this AKFM Memcal ??
>
> GM often used 27C256's where a 27C128 ought to have been.  These '256's
> invariably have funny markings.  They might have been chips with a bad
> bit in the unused (lower) half.  Alternately, the '128 size isn't/wasn't
> as common as the '256.  GM may have had trouble getting '128's which can
> handle a wiggling ~PGM pin (it's connected to the MPU's A14 in the '165
> ECM.)
>
> --
> Ludis Langens                               ludis (at) cruzers (dot) com
> Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/
>
>
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