[Coco] MC6847T1

[Luis Antoniosi (CoCoDemus)]

But is not only the ROM that is different. This one have twice the ROM and
lacks a semigraphics mode and other little perks.

On Fri, Mar 22, 2013 at 9:58 AM, Louis Ciotti <lciotti1 at gmail.com> wrote:

> You know I am wondering if the T1 variant was not a "custom" version.  At
> the very end of the MC6847(Y) datasheet there is talk about how to order
> custom ROMs.  Could the T1 designation be for (T)andy variant 1
>
> On Thu, Mar 21, 2013 at 10:31 PM, Bill Pierce <ooogalapasooo at aol.com>
> wrote:
>
> >
> > The only one I can find is the "Technical Reference Manual" (26-3193)
> from
> > 1981. This would not contain info on the Coco 2b. It would be Coco 1.
> This
> > is the manual withe the "green circiut board" cover.
> >
> > Bill P
> >
> > Music from the Tandy/Radio Shack Color Computer 2 & 3
> > https://sites.google.com/site/dabarnstudio/
> > Bill Pierce
> > ooogalapasooo at aol.com
> >
> >
> >
> >
> > -----Original Message-----
> > From: Chester A Patterson <chester6809 at gmail.com>
> > To: 'CoCoList for Color Computer Enthusiasts' <coco at maltedmedia.com>
> > Sent: Thu, Mar 21, 2013 10:13 pm
> > Subject: Re: [Coco] MC6847T1
> >
> >
> > I DO have a *copy* of 1983 Service Manual 26-3026/7 which I ordered from
> RS
> > Parts way back when. The index lists the data sheets for the chips in the
> > appendix however this copy has no appendix. Sorry. If someone has an
> > original one of these manuals it should have the data sheet in there.
> >
> > -----Original Message-----
> >
> > I may have a Coco2 Service Manual. I shall have a look-see tonight when I
> > get home from work. Been ages since I last saw it, it should be stashed
> > away
> > with all my Coco books.
> >
> > Chester
> > TI2/KJ4HLT
> > Costa Rica
> >
> > --------------
> >
> > And who has a CoCo 2 Service Manual ? What about Coco2b service manual ?
> > (not the technical reference manual nor the SAMS computer facts).
> >
> >
> >
> >
> > --
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> > Coco at maltedmedia.com
> > http://five.pairlist.net/mailman/listinfo/coco
> >
> >
> >
> > --
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> > Coco at maltedmedia.com
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> >
>
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>



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