'90 Calpaks and PROMs

[TRAX]

Roger,

How do you erase your EPROM?  While it is still in the carrier?  I see that
there is another chip in the carrier on the other side ... do you have to
worry about erasing any info on that chip?

Tim

----- Original Message -----
From: Roger Heflin <rah at horizon.hit.net>
To: <gmecm at diy-efi.org>
Sent: Monday, May 01, 2000 2:31 PM
Subject: Re: '90 Calpaks and PROMs


>
>
> On Mon, 1 May 2000, TRAX wrote:
>
> > A quick question from a newbie here ...
> >
> > Those of you who are burning chips from years where the PROM is soldered
to
> > the calpak ... is it possible to make some sort of adapter or do you
have to
> > unsolder the PROM, erase the chip, reburn it, and then resolder it to
the
> > calpak?
> >
>
> See:
>
> http://www.hit.net/~rah/epromadaptor01.jpg
> http://www.hit.net/~rah/epromadaptor02.jpg
> http://www.hit.net/~rah/epromadaptor03.jpg
> http://www.hit.net/~rah/epromadaptor04.jpg
>
> IT uses a standard 40+ pin IDC connector modified to proper plug in
> the part of the chip that is needed.
>
> Roger
>
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