Re: Issue with 80COL/64K

[datajerk <datajerk@gmail.com>]

On Jul 11, 11:23 pm, mdj <mdj....@gmail.com> wrote:
> On Jul 12, 11:33 am, datajerk <dataj...@gmail.com> wrote:
>
> > My IIe has an 80 col card, however sans the 64K.  I just received
> > today a 607-0103-K 80COL/64K expansion card, however when I replace my
> > 80 col card the machine boots with garbage on the screen.
>
> > Questions:
>
> > 1.  Does this circa 1986 card work in non-enhanced IIes?
>
> Just how old is this IIe ? :-)
>
> It's possible that your machine has the Revision-A motherboard. If
> that's the case, you either need a newer motherboard, or an extended
> 80-column card with a jumper on it.
>
> The Revision-A IIe isn't capable of producing double hi-res graphics,
> and the hardware changes required a change to the extended 80-column
> card circuitry, hence the jumper.
>
> Unfortunately, the 80 column card you have is one of the miniature
> designs that shipped as standard equipment in the later platinum IIe's
> which are hardwired for the later motherboard design. If you could
> photograph and/or post the part number and serial number of the
> motherboard though, we can confirm whether this is the case or just
> idle speculation.
>
> Matt

Thanks Matt.

Model/Serial from case bottom:  A2S2064/1A252-035976

Numbers from MB: 820-0064A, 607-0164-[ ] by slot 4, and an ink stamped
0583 by slot 2

Thanks again.